JPH0471883A - Ink sheet cartridge - Google Patents

Abstract

PURPOSE:To prevent the racing of a supply reed and a taking-up reel by a simple member by mounting a prescribing member prescribing the rotation of the supply reel and the taking-up reel. CONSTITUTION:A stopper 32 becoming a prescribing member prescribing the rotation of a supply reel 25 and a taking-up reel 26 is mounted in order to prevent the slackening of an ink sheet 2. The stopper 32 is made of a synthetic resin and formed so as to be slightly longer than the distance between a supply reel gear 25c and a taking-up reel gear 26c and, by meshing both end pats of an elastically deformable engaging part 32a with the supply and taking-up reel gears 25c, 26c exposed from the end pat of the window 27a of the first housing 27a, the racing of both gears 25c, 26c is prevented. Hook-shape suspending pieces 32b are provided in the vicinity of both end parts of the engaging part 32b in a protruding state and the lower ends thereof come into contact with the protruding part 27b5 formed to the second housing 27b when the engaging part 32a are meshed with both reel gears 25c, 26c and the upper end of the engaging part 32a comes into contact with the window edge part 27d1 of the first housing 27a.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to an ink sheet cartridge for storing an ink sheet, and more specifically to an ink sheet cartridge in which a supply reel and a take-up reel are prevented from idling during transportation. Concerning cartridges.

<Background Art> Today, with the development of information processing systems, various information processing devices are being developed. Among these devices, recording devices such as facsimile devices and printers are not only used in offices, but also in
It is now widely used in general households.

In order to facilitate miniaturization of these facsimile devices, a so-called window thermal recording method using heat-sensitive sorting that develops color by heating is generally used, but in recent years, so-called thermal transfer method using ink sorting has been used. Facnomy devices related to recording methods have also been developed. This thermal transfer recording system facunmill apparatus has the advantage of being able to use plain paper as the recording sheet and of being able to record images clearly.

However, since the ink sheet is an extremely thin sheet, wrinkles are likely to occur. Therefore, in order to be able to load the ink sheet into a recording device without causing wrinkles on the ink sheet, the ink sheet is stored in a cartridge, and this ink sheet cartridge is easily loaded into the recording device. A method is proposed.

<Problems to be Solved by the Invention> The ink sheet cartridge has an ink sheet wound around a supply reel and a take-up reel, and both reels are housed in a frame. In this case, if the reel spins idly during transportation, the ink sheet becomes loose during transportation, so a complicated long mechanism is provided on the supply reel and the take-up reel to prevent the idling.

However, when the ink sheet cartridge is provided with the long mechanism, there are problems such as an increase in the number of parts, an increase in assembly time, and an increase in cost.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned conventional problems and provide an ink sheet cartridge that can prevent the supply reel and take-up reel from idling using simple members.

Means for Solving the Problems> A typical means according to the present invention for solving the above problems is an ink sheet cartridge having a supply reel and a take-up reel around which an ink sheet is wound in a frame.
The present invention is characterized in that a regulating member for regulating the rotation of the supply reel and the take-up reel is attached, and for example, the regulating member is fitted into a reel gear integral with the supply reel and a reel gear integral with the take-up reel. The present invention is characterized in that the rotation of the supply reel and the take-up reel is restricted.

<Function> With the above means, the rotation of the supply reel and the take-up reel is regulated by simply attaching the regulating member during transportation and the like, thereby preventing the ink sheet from loosening.

<Example> Next, an example of an ink sheet cartridge to which the above means is applied and a recording apparatus using the ink sheet cartridge will be described.

[First embodiment]

The recording apparatus A according to this embodiment is configured as a recording system of a facsimile machine, and FIG. 1 is an explanatory diagram of the overall structure of the facsimile machine, FIG. 2 is an explanatory perspective diagram of the external appearance, and FIG. FIG. 4 is an exploded view of the ink sheet cartridge, and FIGS. 5 and 6 are perspective views of the cartridge.

(Explanation of the entire facsimile machine) First, the overall structure of the facsimile machine will be described with reference to FIGS. 1 and 2. Hereinafter, the arrow X direction shown in FIG. 2 will be the left-right direction of the device, the arrow y direction will be the front-back direction, and the arrow
The direction will be explained assuming the vertical direction.

As shown in Fig. 1, this facsimile machine is composed of a recording system A as a recording device, a reading system B for reading images written on a document, an operation panel C, and a loaded ink sheet cartridge D. ing.

The recording system A records an image on the recording sheet 1 in response to an image signal transmitted from another device or an image signal transmitted from a reading system B described later. That is, the overlapping recording sheet 1 and ink sheet 2 are pressed against the platen roller 3b by the recording head 3a constituting the recording means 3, and the recording sheet 1 is driven and rotated in the direction of the arrow in FIG. The ink sheet 2 is conveyed in the direction of arrow a, and the ink sheet 2 is conveyed in the direction of arrow a by a drive mechanism described later. In synchronization with the conveyance of the recording sheet 1 and the ink sheet 2, the recording head 3a is made to generate heat in response to an image signal to melt (including sublimation, hereinafter referred to as "intermediate") the ink applied to the ink sheet 2, and the melted ink is An image is formed by transferring the image onto a recording sheet l.

Then, move the recording sheet 1 on which the predetermined image is formed further to the arrow a
After being conveyed in the direction and cut by the counter 4, it is conveyed by a pair of discharge rollers 5a and 5b and discharged from the apparatus.

The recording sheet 1 is stored in a roll holder 7 provided in the main body 6 of the apparatus, and the roll holder 7, platen roller 3b, cutter 4, and ejection roller pair 5a
, 5b are provided in the device main body 6, respectively.

Further, in this embodiment, the ink sheet 2 is housed in an ink sheet cartridge D having a configuration to be described later. The ink sheet cartridge D is removably loaded into a recording cover 9, which is a lid, and which is configured to be rotatable in the main body 6 of the apparatus via a rotation shaft 8. Further, the recording head 3a is provided at a predetermined position on the recording cover 9.

On the other hand, the reading system B irradiates the original 10 with light, converts the reflected light into an electrical signal, and transmits this signal to another device or to its own recording system A depending on the operation mode. .

That is, the document mounting table 9a formed on the upper surface of the recording cover 9
A plurality of originals 10 are placed on the holder, and the originals 10 are preliminarily transported by a preliminary transport roller lla and a pressing piece 11b, and separated and fed one by one by a separating roller 12a and a pressing piece 12b that presses against the originals. 10 is a pair of conveyor rollers
3a, 13b and a pair of discharge rollers 14a, 14b, the paper is conveyed and discharged onto a discharge tray 15. While the original 10 is being conveyed, a light source 16 irradiates the original surface with light, and the reflected light is reflected by a mirror 17 and a lens 1.
8 to a photoelectric conversion element 19 such as a CCD, and transmits the image signal to its own recording system in the copy mode, and to the recording system of another device in the transmission mode. ing.

As shown in FIG. 2, the operation panel C is a panel for performing operations such as the mode switching operation, copying operation, and sending operation, and is provided with keys corresponding to various operations.

This operation baffle C is provided above the document transport mechanism in the reading system B, and is configured to be rotatable with respect to the apparatus main body 6. Incidentally, one end of the operation panel C is equipped with a telephone handset 20 for transmitting and receiving data.

In FIG. 1, 21 is an electrical board, and 22 is a power supply section.

Next, the configuration of each part such as the recording system A and the ink cartridge D will be specifically explained.

(Recording Sheet) As the recording sheet 1, it is possible to use plain paper, a plastic sheet, or other materials to which ink can be transferred. In this embodiment, a long piece of plain paper with a B4 size width or an A4 size width is used as the recording sheet 1. A sheet roll 1a in which the recording sheet 1 is wound into a roll is stored in a roll holder 7 provided at a predetermined position (substantially in the center of the first roll) of the main body 6 of the apparatus.

Note that since the recording sheet 1 is wound into a roll, curling may occur.

Therefore, in order to remove this, a decal shaft 23 is provided near the platen roller 3b side of the roll holder 7. The decurl shaft 23 rotates in response to the tension acting on the recording sheet 1, and decurls the recording sheet 1 in cooperation with a guide shaft 24, which will be described later.

Furthermore, in this embodiment, in order to reduce running costs, a so-called multi-printing method is adopted in which recording is performed by transporting the ink sheet 2 slower than the transport speed of the recording sheet 1. In this multi-printing method, the transport length I of the recording sheet 1 during recording is
The recording is performed by shortening the transport length 2 of (L/j2-n>1). By doing this, the usage efficiency of ink sheet 2 can be reduced to 0 compared to the conventional recording method in which the conveyance length of recording sheet 1 and ink sheet 2 is the same (L/1=1).
It can be doubled.

(Ink Sheet) In order to perform multi-printing as described above, the ink notebook 2 is configured so that n times of ink transfer can be performed on the same area. Therefore, in this embodiment, as shown in FIG. 3, there are four layers: a first heat-resistant coating layer 2a, a second base film layer 2b, a third ink layer 2C, and a fourth top coating layer 2d. It will be configured.

The heat-resistant coating layer 2a protects the base film 2b from the heat of the recording head 3a, which is a thermal head. This heat-resistant coating layer 2a is suitable for multi-printing where 0947 minutes of thermal energy may be applied to the same location (when heat generation information is continuous), but whether or not to provide this heat-resistant coating layer 2a is It may be selected as appropriate depending on the recording method. For base films with relatively low heat resistance, such as polyester films, the heat-resistant coating layer 2 is applied.
It is effective to provide a.

The second base film layer 2b serves as a support for the ink sheet 2, and in the case of multi-printing, heat energy is applied to the same location many times, so it is necessary to use a highly heat-resistant aromatic polyamide film or a capacitor. Although paper is preferred, conventional polyester films are also acceptable. Regarding the thickness of these materials, it is advantageous in terms of printing quality to be as thin as possible because of their role as a medium, but strength must be taken into account, and a thickness of about 3p to 8-8 is preferable.

Further, the third ink layer 2C is a layer containing an amount of ink that can be transferred onto the recording sheet 1 n times. The main components of this ink are resins such as EVA as an adhesive, carbon black and nigrosine dyes for coloring, and carnano wax and paraffin wax as binding materials. It is blended into. Sensitivity and density vary depending on the amount of coating of this ink layer 2C, which can be selected arbitrarily, but 4g7
M to 9 g/n (preferably.

The fourth top coating layer 2d is for preventing the 3N ink layer 2C from being pressure-transferred onto the recording sheet 1 in non-recording areas, and is made of transparent wax or the like at -g. . As a result, only the transparent top coating layer 2d is pressure-transferred onto the recording sheet 1 in the non-recording portion, and scumming of the recording sheet 1 is prevented.

Incidentally, the structure of the ink sheet 2 is not limited to that of this embodiment, and for example, it may consist of a base layer and a porous ink-retaining layer containing ink provided on one side of the base layer. Alternatively, a heat-resistant ink layer having a microporous network structure may be provided on the base film, and the ink may be contained in the ink layer.

Further, the material of the base film layer 2b may be, for example, a film made of polyimide, polyethylene, polyester, polyvinyl chloride, triacetylcellulose, nylon, etc., or paper. Furthermore, although the heat-resistant coating layer 2a is not necessarily required, its material may be, for example, silicone resin, epoxy resin, fluorine resin, nitrocellulose, or the like.

Further, as an example of the ink sheet 2 having a heat sublimable ink, spacer particles formed of a guanamine resin and a fluorine fiber resin and An example is an ink sheet provided with a coloring material layer containing a dye.

In this embodiment, in order to facilitate handling of the ink sheet 2, the ink sheet cartridge D is loaded with the ink sheet 2.

(Ink sheet cartridge) The structure of the ink sheet cartridge D is shown in FIGS. 4 to 6.
As shown in the figure, the supply reel 25 and the take-up reel 26 are installed at predetermined positions on the frame 27, and the ink sheet 2 wound around the supply reel 25 is stretched over the take-up reel 26 side. 2 is loaded. By using this ink cartridge and cartridge D, the recording system A
The ink sheet 2 can be loaded very easily and reliably in a stable state.

When the ink sheet 2 of the ink notebook cartridge D is used up, it is discarded together with the ink sheet 2. That is, since the ink notebook cartridge No.D is disposable, it is required to be able to provide it at low cost. Next is the ink notebook cartridge.

The configuration of each part of the camera D will be specifically explained.

(Frame) In the frame 27 in this embodiment, a first housing 27a and a second housing 27b are ultrasonically welded. That is, as shown in FIG. 4, the welded portion 27c1.27cz of the connecting portion between the first housing 27a and the second housing 27b is ultrasonically welded, and the first housing 27a
and a welded portion 27 formed approximately at the tip and side ends of the housing 27a.
a, 27a4 and welded portions 27b+, 27bi formed at substantially the tip and side ends of the second housing 27b are formed by ultrasonic welding.

The welded parts 27a+, 27b+ and 27C1, 27C
2 may be formed over the entire length, or may be formed intermittently at a predetermined length in the width direction of the ink sheet.

As the molding material for the frame 27, resins such as polypropylene resin and ABS resin can be used.

In the frame body 27, a window 2 for inserting the recording head 3a is provided approximately in the center of the first housing 27a, as shown in FIG.
7d is formed, and a window 27e for inserting the platen roller 3b is formed approximately in the center of the second housing 27b, and a shaft portion 3b1 of the platen roller 3b (see FIG. (see) notch 27e for escaping
is formed.

Further, side plates 27az and 27bz are formed upright on both side surfaces of the first housing 27a and the second housing 27b, respectively, and the welded portions 27c+ and 27cz sides and the open side have 1 side plates, respectively.
/4 A circular curved surface is formed. And the first housing 27a
A fitting hole 27a3 is formed in the welded part 27a1 formed at the open curved end of the second housing 27b, and a fitting hole 27a3 is formed in the welded part 27b1 formed at the open curved end of the second housing 27b.

A fitting protrusion 27b3 is formed to fit into the. Further, on the open side curved surface of the second housing 27b, there is a locking protrusion 27b4 that engages with a lock latch provided on the cover 9, which will be described later, when the ink sheet cartridge D is attached to the recording cover 9.
is formed.

Guide pins 27f are formed at predetermined positions on both sides of the side plate 27b2 of the second housing 27b to serve as a guide when the ink sheet cartridge D is attached to the recording cover 9.

Further, at predetermined positions of the side plates 27az and 27bz, there are U grooves 27g for loosely fitting bearings 28a attached to both ends of the supply reel 25, and U grooves 27g for loosely fitting bearings 28b attached to both ends of the winding reel 26. U grooves 27g2 for fitting are formed respectively. Furthermore, the reel gear 25c of the supply reel 25 and the take-up reel are installed in the first housing 27a and the second housing 27b, respectively.
Opening 27h for exposing the reel gear 26c of the reel 26
,, 27h, are formed.

(Supply reel and take-up reel) The supply reel 25 and take-up reel 26 are for winding the ink sheet 2, respectively, and as shown in FIG. Flanges 25b and 125b are provided at both ends of the reel shafts 25a and 26a.
26b1.26bz is provided, one flange 25b
,, Reel gears 25c and 26c are integrally formed on the reel gears 26bl.

During recording, driving force is transmitted to the take-up reel gear 26c to rotate the take-up reel shaft 26a.
By winding the ink sheet 2 around the recording sheet 6a, the sheet 2 is conveyed in a direction opposite to the conveyance direction of the recording sheet 1 (in the direction indicated by the arrow in FIG. 1).

When the ink sheet 2 is transported and wound up in the opposite direction to the transport direction of the recording sheet 1 as described above, a large tension is applied to the ink sheet 2 when the ink sheet 2 is transported. Therefore, if the strength of the take-up reel shaft 26a is insufficient, the shaft 2
6a is bent, causing wrinkles in the ink sheet 2 or uneven conveyance, resulting in a decrease in image quality.

Therefore, in this embodiment, the supply reel shaft 25a is made of paper (
For example, the take-up reel shaft 26a is made of a strong aluminum tube. The take-up reel shaft 26a may be made of a material with high mechanical strength, such as iron or brass, or may be made of a material with low strength but with a large outer diameter, such as the supply reel shaft 25.
The strength of the take-up reel shaft 26a may be increased by making the outer diameter of the take-up reel shaft 26a larger than a.

In this embodiment, the outer diameter of the supply reel shaft 25a is set to about 22 mm, the outer diameter D2 of the take-up reel shaft 26a is also set to about 22 mm, and the wall thickness t of the supply reel 25a is set to about 22 mm. Approximately 5
As shown in the figure, the thickness L2 of the take-up reel 26a is set to about 2. The aluminum alloy take-up reel shaft 26a has a Brinell hardness of H, 26 to 150. With the above configuration, the supply reel shaft 25a and the take-up reel shaft 26
The bending rigidity of a is the bending rigidity EI of the supply reel shaft 25a.
2. lX10' kgmm2, whereas the take-up reel shaft 26a has a bending rigidity El of 4.6xlO' kgmm.
”, and the take-up reel shaft 2 is smaller than the supply reel shaft 25a.
6a is stronger in terms of strength.

The bending rigidity of the supply reel shaft 25a is
'kg wm'' to 2.5X10' Temple 2, and the take-up reel shaft 26a is El3 XIO' kg
It is preferable to set the value within the range of approximately 5.5 x 10' kg ffn2.
By increasing the strength of a, the ink sheet will not bend even if a large force is applied during winding up, the ink sheet 2 will not be wrinkled during winding up, and the image will not be easily formed during recording. No defects will occur.

(Identification piece) Also, as shown in FIGS. 4 and 5, the first housing 27a
At a predetermined position is an identification means 27i for identifying the size of the ink sheet 2 loaded in the ink sheet cartridge D and the recording n value of the ink sheet 2 with respect to the recording sheet 1.
has been established.

In this embodiment, three identification pieces 2 are used as the identification means 27i.
7i+, 27i□, and 27i3 are provided. The identification pieces 271.27Lz and 27i3 are formed by cutting out a part of the first casing 27a made of synthetic resin, and the base portions are shaped like the 711iIU ( As shown in a), it is formed thin. The identification pieces 27i+, 27iz, and 27i3 press the actuator of the microswitch 29 attached to the recording cover 9 when the ink sheet cartridge D is loaded into the recording system A. By turning on the ink sheet 2, the size etc. of the ink sheet 2 can be identified.

Further, by forming the base portions of the identification pieces thinly as described above, each identification piece 27i+, 27iz, and 27i3 has elasticity. Generally micro switch 2
The amount of movement of the actuator 9 is several hours, and in order to operate the actuator reliably, the identification pieces 27iI, 27i2, 27i3 must make an automatic λ-stroke with respect to this actuator. In this regard, since each of the identification pieces 27iI, 27i2, and 27i of this embodiment has elasticity as described above, when the ink sheet cartridge D is loaded into the recording cover 9, as shown in FIG. 7(b), The identification piece is elastically deformed and reliably presses the actuator of the microswitch 29.

In this embodiment, the identification pieces 27L, 27iz, 211
The presence or absence of the ink sheet cartridge D, the size of the ink sheet 2, and the recording n value are detected by x, and the detection control will be described later.

(Ink sheet loosening prevention member) Next, prevention of loosening of the ink sheet 2 will be explained. Fourth
As shown in the drawings and FIG. 8, a sponge 30, which is an elastic member, is pasted to a portion of the second housing 27b where the supply reel 25 is attached and where the flange 25b is located. This sponge 30 contacts the flange 25b1 when the supply reel 25 is loaded, and the sponge 30 contacts the flange 25b1 when the supply reel 25 is loaded.
When the recording cover 9 is opened or closed, the supply reel 25 may rotate inadvertently, causing the ink sheet 2 to be damaged.
This prevents it from loosening.

The greater the contact pressure between the flange 25b1 and the sponge 30, the greater the rotational load on the supply reel 25. This rotational load is caused by the drive rotation of the take-up reel 26 during recording, which causes the ink sheet 2 to be removed from the supply reel 25. It is set to a size that does not cause any trouble when pulling it out.

In this embodiment, during recording, the sponge 30 is deformed by about 1 to 1.5 mm due to pressure contact with the flange 25b, and when the supply reel 25 rotates, the friction of the sponge 30 applies a rotational load of about 50 to 200 g. It is configured to receive.

(Recording sheet guide member) Window 2 for the platen roller formed in the second housing 27b
As shown in FIGS. 1 and 6, a guide member 31 is attached to the edge of the recording sheet 7e on the upstream side in the feeding direction of the recording sheet a. This guide member 31 is for guiding the recording sheet 1 during recording and for preventing the recording sheet 1 from being caught in the ink sheet cartridge D, as will be described later. It is constructed by pasting a Mylar sheet along the edge of 27e.

(Assembling of Ink Sheet Cartridge) Next, the case of assembling and packaging the ink sheet cartridge D will be described.

As shown in FIG. 4, both ends of the supply reel shaft 25a and the take-up reel shaft 26a around which the ink sheet 2 is wound are reel gears 25c, 26c and a flange 25bz, respectively.

It is formed to protrude outward from 26b2. Therefore, bearings 28a are provided at both ends of the reel shafts 25a and 26a, respectively.

28b, and these bearings 28a, 28b are loosely fitted into U grooves 27g+, 27gg formed in the second housing 27b. Then, the first housing 27a is made to face the second housing 27b,
Welded parts 27a+, 27b, and welded parts 27an, 27
The ink sheet cartridge D loaded with the ink sheet 2 is assembled by ultrasonic welding the ba, respectively, as shown in FIGS. 5 and 6.

(Reel gear idle rotation prevention stopper) If the supply reel 25 and the take-up reel 26 idle due to vibration or the like when transporting or storing the ink sheet cartridge D, the ink sheet 2 will become loose. Therefore, in this embodiment, in order to prevent the ink sheet 2 from loosening, a stopper 3 serving as a regulating member for regulating the rotation of the supply reel 25 and the take-up reel 26 is shown in FIGS. 8 and 9.
2 is installed.

The stopper 32 is made of synthetic resin and is formed to be slightly longer than the distance between the supply reel gear 25c and the take-up reel gear 26c.
By engaging between the supply reel gear 25c and the take-up reel gear 26c exposed from the end of the window 27a of the first housing 27a, both gears 25c and 26c are prevented from idling.

Further, hook-shaped hanging pieces 32b are protruded near both ends of the locking part 32a, and as shown in FIG. The lower end of the locking portion 32b contacts the protrusion 27b formed on the second housing 27b, and the upper end of the locking portion 32a contacts the first housing 27.
It abuts against the window edge 27dl of a. As a result, the locking portion 3
Both ends of 2a are elastically engaged and fixed to reel gears 25c and 26c.

Further, a standing portion 32 is provided at the longitudinal center portion of the locking portion 32a.
c is provided protrudingly, and a thin wall portion 32 is provided at the upper end of this standing portion 32c.
A pull-out ring portion 32e is provided via d. Therefore, when removing the stopper 32 which is caught between the supply reel gear 25c and the take-up reel gear 26c as shown in FIG. 8, by holding the pull-out ring portion 32e and pulling it upward in FIG. Stopper 3
2 can be easily removed.

The upright portion 32c is formed below the depth of the first housing 27a when the stomper 32 is attached, as shown in FIG. Stopper 3 in the condition
2 does not protrude above the first housing 27a.

(Packaging member) When transporting the ink sheet cartridge D,
In order to reduce the impact of the cartridge D falling or vibrating, a packaging member 33 as shown in FIG. 10 is used for packaging.

The packaging member 33 in this embodiment is made of styrofoam with a recess formed so that it can be loaded into the side end of the ink sheet cartridge D. Specifically, as shown in FIGS. 1θ to 12, when the packaging member 33 is loaded on the side surface of the ink sheet cartridge D, the side plate 27az of the frame 27,
A contact portion 33a is formed to abut on the contact portion 27bz, and a recess 33b is formed in the center of the contact portion 33a for allowing the weld portions 27a4 and 27b to escape. Furthermore, the contact portion 33
Bearings 28a, 28b and guide pin 27f are on both sides of a.
A recess 33c is formed for escaping.

Therefore, when the packaging member 33 is loaded and stored in the outer box as shown in FIG. 11, the impact will occur as shown in FIG. The welded portions 27a4 and 27b1, bearings 28a and 28b, and guide pin 27f, which are weak against corrosion, are in a floating state from the packaging member 33. Therefore, even if the ink sheet cartridge D falls and receives an impact during transportation, the impact received by the packaging member 33 will not be directly transmitted from the packaging member 33 to the bearings 28a, 28b, etc. This can effectively prevent damage to the product.

Note that the packaging member 3 is attached to the ink sheet cartridge D.
11, the pull-out ring part 32e of the stopper 32 is folded up by the first part 32d so that it does not get in the way of packing, as shown in FIG.

Next, a configuration for loading the ink sheet cartridge D into the recording system A will be described.

(Recording Cover) As shown in FIGS. 1 and 2, a recording cover 9, which serves as a loading section for an ink sheet cartridge D, is attached to the apparatus main body 6 so as to be openable and closable.

In the conventional facsimile machine, the center of rotation of the recording cover 9 relative to the main body 6 of the facsimile machine is located below the operation panel C. For this reason, when the recording cover 9 is opened, the end of the document placement table provided on the top surface of the cover 9 and the operation panel C are located at a distance from the document placement table, which reduces the overall length of the device. It was getting long.

On the other hand, in this embodiment, the center of rotation of the recording cover 9 with respect to the apparatus main body 6 is located at the side of the operation panel C and at the end on the side of the document mounting table 9a formed on the upper surface of the recording cover 9. I'm letting you do it. 7, the upper surface of the recording cover 9 is configured as a document placement table 9a, and furthermore, the document placement table 9a has a horizontal portion 9a+ on which the document 10 is placed, and a horizontal portion 9a+ that is continuous with the horizontal portion 9a+ toward the reading system B. Slanted part 9a with downward slope
z, and the horizontal portion 9a+ is configured to have approximately the same height as the upper surface of the operation panel C.

A slider 9c for guiding the original 10 is provided on the inclined portion 9az, and the slider 9C guides the original 10.
It can be slid to fit the size of 0.

At the end of the recording cover 9 on the side of the reading system B, that is, at the end of the inclined part 9az of the document mounting table 9a, there is a shaft member having rotation shafts 8 on both sides as shown in FIGS. 13 and 14. 9b is provided. This shaft member 9b is configured to protrude toward the document mounting table 9a side of the recording cover 9, and to position the rotating shaft 8 to the side of the operation panel C.

Further, the main body 6 of the apparatus is surrounded by walls 6a and 6b on both sides, and a partition wall 6C is provided between the recording system A and the reading system B.
A pair of brackets 6d are formed facing each other at the end on the partition wall 6C side. This bracket 6d serves as a support portion for rotatably attaching the recording cover 9 to the main body 6 of the apparatus. For this reason, as shown in FIG. 15 (aL (b)), the bracket 6d is formed with a shaft hole 6d into which the rotation shaft 8 provided on the recording cover 9 is inserted. may be formed as a round hole, but in this embodiment, the recording cover 9 is formed as an elongated hole that can be moved in the front and back direction with respect to the main body 6. By fitting the moving shaft 8, the recording cover 9 is attached to the main body 6 of the apparatus so as to be openable and closable.

As mentioned above, the center of rotation of the recording cover 9 relative to the main body 6 of the apparatus is located on the side of the operation panel C and on the document mounting table 9a.
By locating it at the side end, when the recording cover 9 is opened, the end of the operation panel C and the end of the document table 9a do not interfere with each other.

Therefore, it is possible to arrange the operation panel C close to the document table 9a, and the length of the entire apparatus can be shortened.

(Cover stay) When the recording cover 9 is closed, a rotation torque is applied to the rotation shaft 8 in accordance with the weight acting on the center of gravity of the recording cover 9 and the horizontal distance between the rotation shaft 8 and the center of gravity. do. Therefore, if the recording cover 9 is allowed to fall freely from the open state, there is a risk that an impact may be generated due to the rotational torque when the cover 9 is closed. For this reason, in conventional recording devices, a torsion coil spring is attached to the rotating shaft of the recording cover, and this spring generates a braking force. However, since the rotating shaft is usually provided at the end of the recording cover, the distance between the rotating shaft and the center of gravity of the recording cover is long, and therefore it is necessary to increase the spring force of the torsion coil spring.

Therefore, in this embodiment, as shown in FIGS. 16(a) and 16(b), a cover stay 34 is attached to maintain the open position of the recording cover 9, and a torsion coil spring is attached to the rotating shaft of this cover stay 34. to generate the braking force.

That is, as shown in FIGS. 16(a), 16(b) and 17, a cover stay 34 is attached to one side wall 6b of the device main body 6.
is rotatably attached, and a pin 35 is attached to the recording cover 9.
is provided. The cover stay 34 is attached to a mounting portion 36 provided on the side wall 6b. The mounting portion 36 is located closer to the center of gravity G of the recording cover 9 (see FIG. 18) than the rotation axis 8, which is the rotation center of the apparatus main body 6 and the recording cover 9. Also pin 35
is provided near the center of gravity of the recording cover 9.

The cover stay 34 has a plate portion 34 in which a groove 34a is formed.
b, and a shaft portion 34 for mounting the torsion coil spring 37.
It is composed of c. As shown in FIG. 17, the groove 34a has an arcuate groove 34a1 formed near the shaft portion 34c, and a substantially straight linear groove 34a2 continuous with the arcuate groove 3481. A pin 35 provided on the recording cover 9 is fitted into the groove 34a, and the rotational force of the recording cover 9 is transmitted to the cover stay 34 via the pin 35. Note that the protrusion 34a formed at the end of the groove 34a2 is
5 to maintain the open state of the recording cover 9.

A through hole 34d is formed through the shaft portion 34c in the axial direction. The cover stay 3 is inserted through the through hole 34d.
4 is fitted to a shaft 36a provided on the mounting portion 36, the stay 34 is rotatably attached to the device main body 6 about the shaft 36a.

A torsion coil spring 37 is attached to the outer periphery of the shaft portion 34c. One arm 3 of this screw coil spring 37
7a is fitted into a groove 36b formed in the attachment part 36, as shown in FIG. 17, and the other arm 37b is a free end. The torsion recoil spring 37 is attached to the cover stay 34.
is attached to the shaft portion 34c so that it can be tightened when the recording cover 9 is rotated in the closing direction, and can be loosened when the recording cover 11 is rotated in the opening direction. The inner diameter of the torsion coil spring 37 is approximately equal to or slightly smaller than the outer diameter of the shaft portion 34c. Therefore, a frictional load is always acting between the torsion coil spring 37 and the shaft portion 34c. Cover stay 3 configured as described above
4, it is possible to generate a braking force by the torsion coil spring 37 when the recording cover 9 is closed.

That is, during the transition from the open state of the recording cover 9 shown in FIG. 16(a) to the closed state of the recording cover 9 shown in FIG. 16(b) (the recording cover 9 is moved from the open state to the closed state at a constant angular velocity) During the transition), as shown in FIG. 18(a), the linear groove 34a2 of the cover stay 34 and the pin 35 engage with each other. At this time, the cover stay 34 rotates as the recording cover 9 rotates, but this rotation angle is not large because the groove 34a2 is linear. Then, as the rotation of the recording cover 9 progresses and the pin 35 engages with the arcuate groove 34a as shown in FIG. 18(b), the rotation angle of the cover stay 34 increases. Therefore, the frictional load between the torsion coil spring 37 and the shaft portion 34c becomes large, and the spring 37 becomes tightened, so that a braking force acts on the cover stay 34. At this time, the rotational torque acting on the shaft portion 34c of the cover stay 34 has a smaller value than the rotational torque acting on the rotational shaft 8 of the recording cover 9, so that it is possible to reduce the rigidity of the torsion coil spring 37. It becomes possible.

(Relationship between Guide Shaft and Ink Sheet Cartridge) The ink sheet cartridge D is loaded into the recording cover 9. Next, the structure of its installation will be explained.

As shown in FIGS. 13 and 14, a guide pin 27 of the ink sheet cartridge D is provided at a predetermined position on the recording cover 9.
A locking portion 9d is formed with a key-shaped groove 9d for locking the bearing 28a, and bearing grooves 9e, 9ez and 9ft, 9fz for positioning the bearings 28a, 28b are formed. In addition, as shown in FIG. 14, the bearing groove 9el
, 9f+ are formed as U grooves passing through the recording cover 9, and the bearing grooves 9ex, 9fz are formed as U grooves whose axial ends are closed.

Further, the recording cover 9 has L-shaped arms 24a attached to both ends of a guide shaft 24, which is a deflection member for changing the conveying direction of the recording sheet 1, as shown in FIGS. 19(a) and 19(b).
), it is rotatably attached via a shaft 24b. As shown in FIG. 19(a), this arm 24a is attached to the locking portion 9 when the recording cover 9 is open.
It is configured to abut against a stopper portion 9di formed at the end of d to restrict rotation.

Therefore, when loading the ink sheet cartridge D into the recording cover 9, the cartridge D is placed on the guide shaft 24 and inserted along the shaft 24, as shown in FIG. 19(a). The guide pin 27f enters the key-shaped locking groove 9d+ of the recording cover 9. Next, the guide pin 27f locked in the locking groove 9d.
When the ink sheet cartridge D is rotated in the direction of the arrow C, the locking protrusion 27b4 formed at the end of the ink sheet cartridge D as shown in FIG.
is a latch means 38 provided at the rotating end of the recording cover 9.
is locked. In addition, the ink sheet cartridge D
When rotated in the direction of arrow C in FIG. 19(a), the locking pin 27b1 protruding from the side plate 27bz (see FIG. 4) of the second housing 27b locks on the L-shaped arm 24a, and the arm 2
4a also rotates in the direction of arrow C together with the ink sheet cartridge D. Therefore, when the recording cover 9 is opened when replacing the recording sheet 1, for example, the guide shaft 24 does not get in the way.

Also, from the recording cover 9 to the ink sheet cartridge D
To remove the latch means 38, the latch means 38 is unlocked in the opposite manner to the above. As will be described later, the lock latch 38 locks when the ink sheet cartridge D is pressed against the latch 38, and unlocks when pressed again, and can be easily locked and unlocked with one hand.

When the unlocked ink sheet cartridge D is rotated about the guide pin 27f and rotated to a predetermined position, the L-shaped arm 24a comes into contact with the stopper part 9dz and stops as shown in FIG. 19(a). Therefore, even if you take your hand off the ink sheet cartridge D carelessly, the ink sheet cartridge D loaded between the top surface of the recording cover 9 and the guide shaft 24 will be supported by the guide shaft 24. The recording cover 9 will not fall off. Then, from the state shown in FIG. 19(a), move the ink sheet cartridge D onto the guide shaft 2.
It can be easily removed by pulling it out along line 4.

As mentioned above, when loading and unloading the ink sheet cartridge D, it is only necessary to slide it along the guide shaft 24 and rotate it around the guide pin 27f that is locked in the key-shaped locking groove 9d1. Therefore, the cartridge D can be easily loaded and removed with one hand.

(Lunching Means) As shown in FIG. 20, the latch means 38 is composed of a hook member 38a, a case member 38b, and a locking piece 38c.

In the hook member 38a, a hook portion 38a2 is rotatably attached to the tip of the slide portion 38a1 via a thin wall portion. This hook portion 38at is the first locking portion 38a3.
The second locking portion 38a4, which is longer than this, is the back plate portion 38.
a, is formed into a U-shaped cross section through the hook portion 388g
is caused by the coil spring 38a, as shown by the arrow d in FIG.
It is configured to be biased in the direction. Further, a locking protrusion 38a is provided at a predetermined position of the slide portion 38a1.

and a slide groove 38a.

The slide protrusion 38C1 of the locking piece 38c is fitted into the slide groove 38a, and the locking piece 38c is slidably attached along the slide groove 38a. In this state, the slide portion 38a is attached to the case member. 38b, and the locking protrusion 38a is forcibly fitted into the elongated hole 38b1 provided in the case member 38b, making it impossible to fall off.

Therefore, the hook member 38a can slide within the range where the locking protrusion 38a7 is locked in the elongated hole 38b, and at this time, the hook member 38a is always held at the 20th position by the coil spring 38a.
It is biased in the direction of arrow d in the figure. When the hook member 38a is pushed once against the pressing force of the coil spring 38a, the locking piece 38c engages and locks with the locking protrusion 38b protruding inside the case member 38b, and the hook member 38a is pushed once again. It is configured in such a way that the lock is released.

Here, the configuration for locking and unlocking will be explained. 20 and 2 on the locking piece 38c.
As shown in FIG. 1, the guide convex portion 38c=, 38c.

, a locking protrusion 38c4, and a guide recess asC5, 38 cm long. The locking piece 38c attached to the hook member 38a is always urged in the direction of arrow e in FIG. 21 by the coil spring 38a.

When the hook member 38a is pressed in the above state, FIG.
) The relationship between the locking protrusion 38b2 and the locking piece 38c in the state shown in FIG. 21 is as shown in FIGS. 21(b) and (C).
displacement along. When the pressure on the hook member 38a is released in the state shown in FIG. 21(C), the locking piece 38c is displaced along the guide recess 38c6, and the locking protrusion 38b2 is locked as shown in FIG. 21(d). It is locked to the convex portion 38c4. That is, the lock state is reached when the l button is pressed.

Next, from the state shown in FIG. 21(d), the hook member 3 is
8a, the relationship between the locking protrusion 38b2 and the locking piece 38c is displaced along the guide protrusion 38c, as shown in FIG. When the pressure is released in this state, the guide protrusion 3 will be removed as shown in Fig. 21 (g).
8c2 and returns to the state shown in FIG. 21(a).

That is, the lock is released with one push.

Therefore, when the ink sheet cartridge D is rotated in the direction of arrow C around the guide pin 21f as shown in FIG. The latch means 38 is placed in the locked state as shown in FIG. 19(b) by dodging and abutting the second locking portion 38a4, pressing the locking member 38a into the case member 38b. As a result, the ink sheet cartridge D is loaded into the recording cover 9. This latch means 38 has a holding force of about 1 kg in the locked state, and in the state shown in FIG. (approximately o, sb) can be reliably maintained.

Further, when the ink sheet cartridge D is pressed again in the direction of the recording cover 9, the latch means 38 is unlocked, and the ink sheet cartridge D can be removed from the recording cover 9 as shown in FIG. 19(a). .

By using the latch means 38, the ink sheet cartridge D can be locked by providing a locking protrusion 27b4 at one location, increasing the degree of freedom in designing the cartridge D, and furthermore, locking and unlocking operations can be performed with one hand. It can be done easily. Further, the latch means 38 provides a click feeling when one punch is applied when locking or unlocking, so that it is easy to know that the lock or unlock has been released.

(Shattering of the ink sheet cartridge) The ink sheet cartridge D is loaded into the recording cover 9, and the launching means 3
8 is in the locked state, the bearings 28a and 28b are in the respective bearing grooves 9e+ and 9 shown in FIGS. 13 and 14.
It is positioned by fitting into ez, 9f+, and 9h. Further, when the recording cover 9 loaded with the ink sheet cartridge D is closed, the recording cover 9 is closed as shown in FIG.
The recording head 3a attached to the main body 6 enters into the cartridge D through the window 27d, the platen roller 3b attached to the main body 6 enters through the window 27e, and the reel gears 25C and 26c enter the drive transmission gear provided in the main body 6. mesh with. Therefore, unless the positions of the windows 27d and 27e with respect to the recording head 3a and the platen roller 3b and the positions of the reel gears 25c and 26c with respect to the drive transmission gear are accurate, the ink sheet cartridge D cannot be loaded reliably.

For this purpose, it is necessary to make the loading dimensions of the ink sheet cartridge D into the recording cover 9 strict, but in this embodiment, the ink sheet cartridge D is configured to have some play with respect to the recording cover 9.

That is, when the ink sheet cartridge D is loaded into the recording cover 9 and the latch means 38 is locked, as shown in FIG. It is configured to have a gap δ1 and a gap δ2 between the locking protrusion 27b4 and the back plate portion 38a. Therefore, the gap δ1. The ink sheet cartridge D has a looseness with respect to the recording cover 9 by an amount of δ2. The gap δ is 0.2 m to 0.5
It is preferable to set it to about m, and the gap δ2 is 0.5 m to
It is preferable to set the distance to about 1.5 m. In this embodiment, the gap δ is set to 10.2 m, and the gap δ2 is set to 1 shoe.

As described above, by providing a backlash in the ink sheet cartridge D with respect to the recording cover 9, even if there is some error in the loading dimensions, the dimensional error is absorbed by the backlash, and the ink sheet cartridge D is protected against the recording cover 9. This allows the ink sheet cartridge D to be reliably loaded into the cover 9. Therefore, a certain degree of freedom can be given to the loading size.

(Fixing the recording cover) When the recording cover 9 loaded with the ink sheet cartridge D is closed as described above, the cover 9 is fixed to the apparatus main body 6 and is configured so as not to move in the longitudinal direction of the apparatus. ing.

That is, the recording system A of this embodiment uses a multi-print method, and the recording sheet 1 and the ink sheet 2 are conveyed in opposite directions to perform recording.

Therefore, when normal thermal transfer recording is performed, molten ink is transferred to recording sheet 2, but if for some reason the molten ink solidifies with recording sheet 1 and ink sheet 2 superimposed, a large amount of Sticking force is generated, which may cause the recording cover 9 to move in the conveyance direction of the recording sheet 1.

Therefore, in this embodiment, as shown in FIGS. 13 and 14, the side walls 6a and 6b of the apparatus main body 6 are
A shaft 6e is provided on the downstream side in the conveying direction. The shaft 6
e is arranged with a predetermined parallelism to the axial direction of the platen roller 3b.

On the other hand, a pair of locking members 9g are fixed to both sides of the recording cover 9 at positions facing the shaft 6e.

This locking member 9g has a U groove 9g+ that engages with the shaft 6e.
The inner diameter of the U-groove 9g+ is formed to have a predetermined fitting tolerance with respect to the outer diameter of the shaft 6e. A line connecting the centers of the - pair of U grooves 9g+ is arranged parallel to the supply reel 25 and take-up reel 26 of the ink sheet 2. And the device body 6
On the other hand, when closing the recording cover 9, by engaging the locking member 9g with the shaft 6e, the recording cover 9 is accurately positioned with respect to the apparatus main body 6, and the movement of the cover 9 in the front-rear direction is prevented. It is prevented.

Further, a bearing groove 9e formed in the recording cover 9.

As shown in FIGS. 13 and 14, support members 6f are provided on the side walls 6a and 6b of the device main body 6 facing the 9ez, 9f, and 9b. The support member 6f has bearings 28a28 fitted to both ends of each reel 25.26.
b, and the cough bearings 28a, 28b are in contact with the bearing groove 981.
, 9ez, 9'l9h By biasing the reels 25, 26 toward the recording cover 9, the positions of the reels 25, 26 relative to the recording cover 9 are maintained. Further, as shown in FIG. 14, the support member 6f has a case 6f fixed to the side walls 6a and 6b, one end of which is housed in the case 6f1, and the other end of which has a contact surface with the bearings 28a and 28b. Support piece 6rz and
It is constituted by a spring housed in the case 6f1.

Therefore, when the recording cover 9 is closed by locking the hook member (not shown), the bearings 28a and 28b are supported by the support pieces 6f2 of the support member 6f, and the bearing grooves 9e and 9
ez, 9f1. 9fz side, each reel 25.
26 are positioned and fixed to the recording cover 9, respectively.

(Recording configuration) Load the ink sorting cartridge and the cartridge D as described above,
The recording means 3 performs thermal transfer recording.

(Recording Means) Next, the recording means 3 will be explained. The recording head 3a is a thermal head in which a plurality of heating elements that generate heat when energized are arranged in a line, and is swingably attached to a head support portion 3c provided on the recording cover 9, as shown in FIG. . Further, the recording head 3a is urged toward the platen roller 3b by a spring 3d disposed between the acid head 3a and the recording cover 9. And with this force,
The overlapping recording sheet 1 and ink sheet 2 are pressed against the platen roller 3b side.

In addition, as shown in FIGS. 13 and 14, the recording pad 3a
Fork members 3e are provided on both sides in the longitudinal direction.

This fork member 3e is attached to the shaft portion 3 of the platen roller 3b when installing the ink cartridge D to the recording cover 9.
b has a positioning function for engaging and setting the position of the recording head 3a with respect to the platen roller 3b.

The platen roller 3b is formed with a roller portion 3b corresponding to the width dimension of the recording sheet 1, and shaft portions 3b are formed on both sides of this roller portion 3b2.

The platen roller 3b is driven by a platen motor 39, which is a stepping motor shown in FIG. This motor 39 is connected to the side wall 6 of the device main body 6.
a, and its rotational force is transmitted through gears 40a, 4
It is transmitted to the platen roller 3b via 0b and 40c. When recording on the recording sheet 1, the platen roller 3b is rotated in the direction of the arrow f in FIG. The roller 3b is rotated in the direction opposite to the direction of the arrow f, and the recording sort 1 is returned to the direction opposite to the direction of the arrow a to be in a standby state.

(Take-up reel drive mechanism) During recording, the platen roller 3b transports the recording sheet 1 and simultaneously takes up the ink sheet 2.
Recording is performed while winding the tape onto the tape 26.

In this embodiment, the take-up reel 26 is
As shown in FIG. 4, the ink sheet 2 is rotated by a drive mechanism 41 provided on the recording cover 9, and the ink sheet 2 is wound onto a winding wheel 26.

In conventional recording devices that use one-time ink sheets, the drive mechanism for the take-up reel is generally provided in the main body of the device. Generally, it is configured to easily mesh with the reel gear of the take-up reel, and a slip clutch is provided in the drive mechanism to transmit the rotation of the motor.

For this reason, when the tension acting on the ink sheet becomes large, there is a risk that tooth skipping may occur at the meshing portion of the pendulum gear, or slippage may occur in the slip clutch. That is,
There is a possibility that the rotation of the drive motor constituting the drive mechanism will not be reliably transmitted to the take-up reel.

On the other hand, if the multi-print recording method is adopted,
Since an image is formed while shearing the ink within the ink layer, transporting the ink sheet 2 requires a force that is the sum of the frictional force between the ink sheet 2 and the recording head 3 and the shearing force of the ink. Therefore, the conveying force for the ink sheet 2 needs to be larger than the conveying force when using a conventional one-time ink sheet.

In addition, in the multi-print recording method, recording sheet 1
1 ink sheet 2 every time one line of image is formed on
It is necessary to reliably convey the amount of /n lives, and by reliably conveying the image, it is possible to improve the quality of the recorded image.

In order to satisfy the above conditions, in this embodiment, a take-up reel drive mechanism 41 is provided on the recording cover 9, and the take-up reel gear 2 of the ink sheet cartridge D loaded in the cover 9 is
6c to reliably transmit the driving force.

As shown in FIG. 22, its configuration is such that a bracket 41a is fixed to the side surface (in this embodiment, the right side surface) of the recording cover 9.
An ink sheet motor 41b consisting of a stepping motor is fixed to the bracket 41a. A motor gear 41C is attached to the shaft of this motor 41b, and a first reduction gear 41d and a second reduction gear 4 are attached to the platen 41a.
1e and a third reduction gear 41f formed integrally with the driving force transmission gear 41g are each rotatably mounted with a predetermined interaxial distance maintained between each gear. Therefore, the rotation of the ink sheet motor 41b is decelerated from the motor gear 41c via the reduction gears 41d, 41e, and 41f, and is reliably transmitted to the driving force transmission gear 41g meshing with the reel gear 26c of the take-up reel 26.

Therefore, by driving the take-up reel drive mechanism 41, it is possible to reliably transport the ink sheet 2 at a predetermined transport speed.

(Pack Ten Line Adding Mechanism) The drive mechanism 41 rotates the take-up reel 26 and the ink sheet 2 is pulled out from the supply reel 25.
The ink sheet 2 is wound onto the take-up reel 26, and is configured such that a constant bank tension is applied to the ink sheet 2 pulled out from the supply reel 25 by a back tension applying mechanism.

The back tension applying mechanism 42 is shown in FIG.
4, a rotation fulcrum 4 is attached to the side wall 6a of the device main body 6
a rotating plate 42b configured to be rotatable around 2a;
The tension transmission gear 4 is fixed to the rotary plate 42b and
2c and a rotating plate 42b.
and a tension spring 42e that urges it upward.

In the puncture tension applying mechanism 42 configured as described above, when the recording cover 9 loaded with the ink sheet cartridge D is closed, the reel gear 25 of the supply reel 25
c meshes with the tension transmission gear 42c. When the ink sheet 2 wound around the supply reel 25 is drawn out, the reel 25 rotates under the rotational load of the slip clutch 42d, applying hack tension to the ink sheet 2 being drawn out.

(Thrust of reel gear) When the ink sheet motor 41b is driven as described above,
The ink sheet 2 is wound onto the take-up reel 26 while being subjected to hack tension, and at this time, the supply reel 25 and the take-up reel 26 are configured such that a constant thrust is applied in the axial direction.

Generally, when performing positioning in multiple directions with one operation, skillful operation is required, but it is difficult to require skillful operation in office machines such as recording devices. In conventional recording apparatuses for this purpose, a certain margin, or backlash, is provided in the axial direction of each reel in order to facilitate loading of the take-up reel and the supply reel onto the recording cover. but,
Due to the backlash of each reel, the ink sheet being conveyed during image formation may be skewed, which may cause a jam. A spring means for applying lateral pressure is required, which increases the number of parts.

In this embodiment, the ink sheet cartridge D is mounted on the recording cover 9 serving as a loading section, and by closing the cover 9, the longitudinal and vertical positions of each reel 25, 26 are adjusted to the bearing grooves 9e, . 9e2.9 f+,
9 fz and the support member 6f, and the horizontal position of each reel 25.26 is set by applying an axial thrust to each reel 25.26, and each reel 25.26 This prevents the position from shifting in the left and right directions.

To explain its structure, when the recording cover 9 is closed as described above, the reel gear 25c of the supply reel 25 of the ink sheet cartridge D meshes with the tension transmission gear 42c of the back tension applying mechanism 42, and the reel gear 26c of the take-up reel 26 engages with the tension transmission gear 42c of the back tension applying mechanism 42. It meshes with the driving force transmission gear 41g of the drive mechanism 41.

The reel gears 25c and 26c of each of the reels 25 and 26 are configured by helical gears, and the reel gear 2
The tension transmission gear 42c and the drive transmission gear 41g, which mesh with the gears 5c and 26c, are similarly constructed of helical gears.

Taking the take-up reel 26 as an example, as shown in FIG. 23, the reel gear 26c and the driving force transmission gear 41 on the recording cover 9 side
By meshing with the drive force transmitting gear 41g and applying rotational force to the driving force transmission gear 41g, a thrust force is generated in the take-up reel 26 in the direction of the arrow g in FIG. 23.

Similarly, the relationship between the reel gear 25c of the supply reel 25 and the tension transmission gear 42c that meshes with it is such that when the supply reel 25 is rotated by drawing out the ink sheet 2,
When the rotational force acts on the tension transmission gear 42c, it generates a thrust in the same direction as the winding wheel 26.

Therefore, while the ink sheet 2 is being conveyed, each of the reels 25
．． 26 is always urged in the direction of the bearing groove 9ez9rz formed in the recording cover 9, so that each reel 25, 26 does not wobble in the axial direction while the ink sheet 2 is being conveyed.

(Identification of cartridge and n value) When recording is performed by loading the ink sheet cartridge D having the above configuration, in this embodiment, the presence or absence of the loaded ink sheet cartridge D and the ink sheet 2 are determined prior to recording.
It is configured to determine the size and recording n value of.

For this purpose, as shown in FIGS. 13 and 14, when the ink sheet cartridge D is loaded in the recording cover 9, identification pieces 27il, 27iz, and 27i are placed in opposing positions to indicate the presence or absence of the cartridge and the ink sheet. A microswitch 29 is installed as a detection means for type 2, etc. As shown in FIG. 24, this microsinch 29 includes identification pieces 27i+,
27iz and 27ii, and when the ink sheet cartridge D is loaded, the identification piece 2711 presses the first switch 29a,
The identification piece 2712 presses the first varnish inch 29b, the identification piece 2713 presses the third switch 29c, and each switch is turned on by the pressing.

In the apparatus of this embodiment, the first switch 29a detects the presence or absence of the ink sheet cartridge D, and the second switch 29b detects whether the size of the ink sheet 2 stored in the cartridge D is 84 or A4. The size and letter size are detected, and the third switch 29c detects the recording n value. Therefore, each identification piece 2
7L, 27iz, and 2713 according to the ink sheet size and recording n value, and load the ink sheet cartridge D into the recording cover 9, each switch 2
9a, 29b and 29c are selectively turned on to detect the size of the ink sheet, etc.

Here, the detection operation by the switch 29 will be explained.

FIG. 25 is a block diagram of the control system of the apparatus centering on the recording system A and the switch 29. In the figure, 43 is a control section, including a CPU 43a and a ROM 43b.

Consists of RA M2S c.

The CPU 43a is a central processing unit, and the operation panel C
It reads programs and various data from the ROM 43b (described later), performs necessary calculations and judgments, and performs various controls.

ROM2S b is a read-only memory, and the CPU
Various programs and character codes for 43a to operate,
It stores various data necessary for dot pattern recording, etc.

The RAM 43c is a random access memory, and has a working area where the CPU 43a temporarily stores data and calculation results during commands, a pamphlet area where various data input from the operation panel C is stored, and a pamphlet area where documents, etc. are stored. It consists of a text area, etc.

The control section 43 inputs image signals transmitted from the reading system B and instruction signals from the operation panel C via the interface 44, and also inputs detection signals from the microswitch 29. The control section 43 controls the platen motor 39 and the ink sheet motor 41 according to the input signal.
The recording head 3b is configured to output a drive signal to motor drivers 45 and 46 for driving the recording head 3a, and a drive signal to a head driver 47 for driving the recording head 3a.

The procedure for controlling recording by detecting the size of the ink sheet 2 and the recording n value during recording using signals from the control section 43 is performed according to the program shown in the flowchart of FIG.

That is, in FIG. 26, when the ink sheet cartridge D is loaded and recording is executed, it is first determined in step SL whether or not the first switch 29a of the microswitch 29 is on. If not, it is determined that the ink sheet cartridge D is not loaded, and the process proceeds to step S2, where an error message such as "Cartridge check 1" is displayed on the liquid crystal display section provided on the operation panel C.

If the first switch 29a is turned on in step S1, the process moves to step S2 and it is determined whether or not the second varnish inch 29b is turned on. When this second switch 29b is on, the process moves to step S4, and the ink sheet 2 in the ink sheet cartridge D is determined to be B4 size, and the liquid crystal display section displays "Bi2" and the second varnish inch 2 is displayed.
9b is off, the process moves to step S5, where it is determined that the ink sheet 2 is A4 size or letter size, and "A4/Letter" is displayed on the liquid crystal display section.

Next, in step S6, it is determined whether the third switch 29c is on. If the third switch 29c is on, the process moves to step S7, where the recording n value is set to n=5 (the number of steps per line of the ink sheet motor 41b - 2), and the third switch 29c
If it is not on, the process moves to step S8 and the recording n value is set to n-10 (the number of steps per line of the ink sheet motor 41b - 1).

Next, the process moves to step S9 to output one line of recording data to the recording head 3a, and when the transfer of this recording data is completed, a latch signal is output in step SIO to the launch circuit of the head driver 47 for one line of recording data. Stores recorded data.

Then, in step Sll, the ink sheet motor 41b is driven to convey the ink sheet 2 by 1/n lines in the direction indicated by the arrow in FIG. Furthermore, in step S12, the platen motor 39 is driven to convey the recording sheet 1 by one line in the direction of arrow a in FIG. Note that the length of one line corresponds to the length of one dot recorded by the recording nozzle 3a.

Next, the process proceeds to step S13, where electricity is applied to each block of heat generating elements of the recording head 3a (heat generation of the recording head 3a is performed for each block by dividing the heat generating element line into several blocks). Note that the energization is heat controlled (energization pulse width control) according to the recording n value. and step S
In step S14, it is determined whether or not all the blocks in the heat generating element line of the recording head 3a are energized. If the recording of one line has not been completed, the process returns to step S13, and if the recording of one line has been completed, the process returns to step S13. Proceeding to step S15, it is determined whether recording for one page has been completed. If the recording for one page has not been completed, the process moves to step S16 and transfers the recording data of the next line to the recording head 3a.
Return to step SIO.

When the recording for one page has been completed in step S15, the process moves to step S17, and the platen motor 39
is driven by a predetermined amount so that the trailing edge of the image on the recording sheet L is cut by the cutter 4.
Then, in step S18, the recording sheet 1 is cut without operating the cutter 4. Then, in step S19, the platen motor 39 is driven in reverse to return the leading edge of the recording sheet in the apparatus to the pressing position between the recording head 3a and platen roller 3b, and the recording of the next page is awaited.

As described above, the optimum recording n value etc. for the ink sheet 2 in the ink sheet cartridge D loaded at the time of recording is identified by the microswitch 29, and the transport of the ink sheet 2 and the heat generation control of the recording head 3a are automatically performed. According to
The optimum recorded image can be obtained without the operator setting the mode.

(Preventing the recording sheet from being caught) The recording sheet 1 on which a predetermined image has been recorded as described above is cut from the trailing edge of the image by the cutter 4, and the cut recording sheet 1 is discharged out of the apparatus by a pair of discharge rollers 5a and 5b. be done. On the other hand, in order to eliminate the leading edge margin when recording the next page, the recording sheet in the device is moved by the platen motor.
9 is reversely driven to cut the leading edge of the recording sheet 1 into the cutter 4.
It is then sent back to the position where the recording head 3a and platen roller 3b meet. At this time, the platen roller 3b and the window 2 of the cartridge D are located at the rear of the platen roller 3b.
If the gap between the recording sheet 7e and the edge of the recording sheet 7e is large, the recording sheet 1 may fold into the cartridge D, causing the sheet 1 to become creased and causing a jam when performing the next recording. .

In this respect, the ink notebook cartridge D in this embodiment
Since the guide member 31 of the recording sheet 1 is attached to the cartridge D as shown in FIG. 1, the gap between the platen roller 3b and the edge of the window 27e is small. Therefore, even when the recording sheet 1 is fed backwards, it will not get into the cartridge or the tray D, and therefore will not be creased.

Note that even when the ink sheet 2 is approximately wound up on the winding wheel 26 and the winding is about to be completed as shown in FIG.
It is designed so that it cannot be touched.

However, this is a state in which the recording cover 9 is in a closed state with respect to the main body 6 of the apparatus and tension is applied to the ink sheet 2, and in other states, the guide member 31 may come into contact with the ink sheet 2. .

Further, in this embodiment, the guide member 31 is attached to the second housing 27b.
Although the guide member 31 is configured by pasting a Mylar sheet on the frame body 27, the guide member 31 may be configured as a part of the frame body 27.

However, in order to avoid damaging the ink sheet 2 when it comes into contact with the ink sheet 2, it is preferable to use an elastic material such as mylar sheet or polyester.

(Reflection section of recording sheet presence/absence sensor) This device is configured to detect when the recording sheet 1 runs out during the execution of the recording and display this on the liquid crystal display section. Therefore, as shown in Figure 1, recording sheet 1
A recording sheet presence/absence sensor 48 is provided between the guiding shaft 24 and the platen roller 3b.

In this embodiment, the recording sheet presence/absence sensor 48 is constituted by a reflective optical sensor, and the light from the light emitting element of the sensor 48 hits the edge slope 27e2 of the window 27e formed in the second housing 27b and the main body of the apparatus. The light is reflected by the recording sheet 1 passing between the slope 6g formed at the top 6 and reaches the light receiving element. That is, the surface of the light emitting element of the sensor 48 and the surface of the recording sheet 1 guided by the guide member 31 are configured to be substantially parallel, so that when the light from the light emitting element is reflected by the recording sheet 1, it is reliably received. It is configured so as to reach the element.

Note that when there is no recording sheet 1, the light from the light emitting element is reflected by the edge slope 27e2 of the cartridge D, and the difference between the amount of light and the amount of light reflected by the recording sheet 1 is detected as a voltage level, and the recording sheet is removed. This is to detect the presence or absence of 1.

Here, the light emitting element surface of the sensor 48 and the cartridge D
If the edge slope 27e2 is parallel, the detected voltage level at that time will not change much from the detected level when the recording sheet 1 is present, making it difficult to detect the difference. Therefore, in this embodiment, as shown in FIG. 6, a sheet guide member 31 is attached to a reflective surface 27e, which is a part of the edge slope 27e2, where light from the light emitting element of the sensor 48 hits the cartridge D and is reflected. First, the slope angle of the edge slope 27e2 is different from that of the other edge slope 27e2.

In this embodiment, the inclination angle of the reflective surface 27e3 is set to an angle θ-5° with respect to the guide member 31 which is substantially parallel to the recording sheet 1 being conveyed, as shown in FIG. still,
This angle θ is preferably set in a range of 16 to 90°, more preferably in a range of θ-56 to 30″.

As described above (by providing the reflective surface 27e3 with an inclination angle, when the light from the light emitting element 48a of the sheet presence/absence sensor 48 is reflected by the reflective surface 27e3, almost no light is received by the light receiving element 48b. There is a clear difference in the voltage level of the light receiving element 48b between the case where the sheet 1 is not present and the light is reflected by the reflective surface 27e3, and the presence or absence of the recording sheet 1 can be reliably detected during recording. .

(Handset and Ink Sheet Motor) Next, the relationship between the handset and the motor in the facsimile machine will be explained.

A facsimile machine is generally equipped with a handset 20 for telephone communication, as shown in FIG. In this embodiment, the hand center 20 is placed on the opposite side of the device from the take-up reel drive mechanism 41. That is, the take-up reel drive mechanism 41 is provided on the side wall 6a of the device, and the hand center 20 is provided on the side wall 6b of the device.

The handset 20 is connected to an NCU (
w4 control device) 49 via a curl cord 20a or the like. A telephone line 20b is connected to the NCU 49, and when the device is in facsimile mode, it performs sending or receiving operations, and when it is in telephone mode, it performs calling or receiving calls.

The NCU49 is made up of various electrical parts,
The ink sheet motor 41 is easily affected by noise.
It is preferable to keep it away from parts that are noise sources like b. In general, in the normal operation of an operator, the handset 20 is held with the left hand and the dial is operated with the right hand.
49 is preferably arranged on the left side wall 6b side or on the front side of the device.

Therefore, in this embodiment, the ink sheet motor 41b is connected to the right side wall 6a, which is the opposite side of the device from the handset 20.
Handscent 20 and N CU placed on the side or back side
I try to stay away from 49. As a result, the NC
U49 is less affected by the noise caused by the ink sheet motor 41b, and normal communication can be performed.

In this embodiment, as shown in FIG. 13, the platen motor 39 is also placed on the right side wall 6a of the apparatus to eliminate the influence of noise on the NCU 49.

[Other Examples]

Next, other embodiments of the above-mentioned ink sheet cartridge D and each part of the recording apparatus will be described.

(Ink sheet loosening prevention member) In the embodiment described above, in order to prevent the ink sheet 2 from loosening, the flange 2 of the supply reel 25 is attached as shown in FIG.
Although the sponge 30 is placed in contact with a part of the flange 25b1, the sponge 30 may be pasted so as to be in continuous contact with the circumference of the flange 25b1, or it may be divided into several parts so as to make contact therewith. You can also paste it on

Moreover, even if it is not a sponge, as shown in FIG.
Even if the supply reel 25 is configured to come into pressure contact with the ink sheet 2, it is possible to prevent the supply reel 25 from rotating idly and to prevent the ink sheet 2 from loosening. By integrally configuring the second housing 27b and the elastic body as described above, it is possible to reduce the number of parts, facilitate assembly, and reduce costs.

Further, the position where the loosening prevention member of the ink sheet 2 is provided is also at the flange 25b2 other than the flange 25bI.
．． 26. b+, 26bz may be pressed.

However, when the ink sheet cartridge D is loaded and the recording cover 9 is closed, the loosening prevention member is placed at a position where it does not receive the reaction force, or at a position where the recording cover does not interfere with the action of the support member 6f shown in FIG. 9 is open, the flange is pressed against the loosening prevention member by the weight of the supply reel 25 or the take-up reel 26, that is, the second housing 27
It is more effective to provide it on the b side.

(Stomper to prevent reel gear idling) In the above-described embodiment, a stopper 32 as shown in FIGS. 8 and 9 is used to prevent the supply reel 25 and take-up reel 26 from idling during transportation of the ink sheet cartridge D.
was fixed to the reel gears 25c and 26c, but
Even if the idling prevention member does not engage the reel gears 25c, 26c, it may be provided with notches 51a, 51b in the bearings 28a, 28b, and corresponding to the notches 51a, 51b, as shown in FIG. 30, for example. reel shaft 25a,
A recess is formed in 26a. And these cuts 51a, 5
The rotation of the supply reel 25 and the take-up reel 26 may be restricted by inserting the insertion member 52 into the recess from the recess 1b.

Note that the insertion member 52 can be easily removed by pulling the handle 52a.

(Packaging member) In the embodiment described above, the packing member 33 was loaded from the side of the ink sheet cartridge D as shown in FIG. 10, but as shown in FIG. At this time, bearings 28a, 28b and welded parts 27a+, 27b, and 27 are loaded.
Even if a4.21bb is configured to escape and stored in the outer box in this state, the bearings 28a, 28b, etc. can be protected from impact.

(Identification of Cartridge and n Value) In the above embodiment, in order to detect the presence or absence of the cartridge D, the ink sheet size, and the recording n value, identification pieces 27i5, 27i□, 27i- are provided on the cartridge and the cartridge D. Although the pieces 27il, 27i□, 27i are elastically deformed by the thin portions to reliably press the microswitch 29, the identification pieces 27i+, 27i□,
27i3 may be configured to be elastically deformable.

Further, the detection means does not have to be the microsinch 29, but may be a reflective sensor, for example.

Furthermore, the number of identification pieces is not limited to three, and can be changed as appropriate depending on the ink sheet size and the selected number of printing n values. The structure of the identification means is not limited to the identification pieces 27i, 27i=, 27is as in the above-described embodiment, but may be formed into a flower shape or a protrusion shape depending on the detection means.

Furthermore, the platen motor 39 and ink sheet motor 41b that transport the recording sheet 1 and ink sheet 2 in response to the recording n(+!) used stepping motors in the above-mentioned embodiments, but could also use DC motors or servo motors. You may also use it.

<Effects of the Invention> As described above, the present invention has a regulating member for regulating rotation attached to the supply reel and the take-up reel.
With a simple structure, the reel can be prevented from idling during transportation, and the ink sheet can be prevented from loosening.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram of the configuration of a facsimile machine that is an embodiment of the present invention, Fig. 2 is an explanatory diagram of the external appearance of the facsimile machine, Fig. 3 is an explanatory cross-sectional diagram of an ink sheet, and Fig. 4 is an explanatory diagram of an ink sheet cartridge. Developed explanatory view, Figures 5 and 6 are perspective explanatory views of the ink sheet cartridge, and Figure 7 (a)
, (b) is an explanatory diagram of the relationship between the identification piece and the microswitch,
Figures 8 and 9 are configuration explanatory diagrams for attaching the stopper to the ink sheet cartridge, Figures 10 to 12 are explanatory diagrams for packing the ink sheet cartridge, and Figures 13 and 14 are the apparatus main body and recording. Illustration of the cover,
Figures 15(a) and (b) are illustrations of how the recording cover is attached to the main body of the apparatus, Figures 16(a) and (b) are illustrations of the rotation of the opening/closing cover relative to the main body of the apparatus, and Figure 17 is an illustration of the cover. The installation of the stay is illustrated in Figure 18 (a) and (b).
are explanatory diagrams of the rotation of the cover stay, Fig. 19 (a), (b)
) is an explanatory diagram of the state in which the ink sheet cartridge is loaded into the recording cover, FIG. 20 is an exploded explanatory diagram of the parts of the latch means,
Fig. 21 is an explanatory diagram of the locking and unlocking configuration of the latch means, Fig. 22 is an explanatory diagram showing the configuration of driving force transmission to the take-up reel, Fig. 23 is an explanatory diagram of the thrust by the helical gear, and Fig. 24 is an explanatory diagram of the microscopy mechanism. 25 is a control system block, FIG. 26 is a flowchart showing the procedure for detecting ink sheet size, etc., FIG. 27 is an explanatory diagram showing the ink sheet winding completion state, and FIG. 28 is a recording FIG. 29 is an explanatory diagram of light reflection of the sheet presence/absence sensor. FIG. 29 is an explanatory diagram showing another embodiment of the ink sheet loosening prevention structure. FIG. 30 is an explanation of another embodiment for preventing the supply reel and take-up reel from spinning idle. 31 are explanatory diagrams of other embodiments of the packaging member. A recording system, B reading system, C operation panel, D ink sheet cartridge, E outer box, 1 recording sheet, 1a sheet roll, 2 ink sheet, 3 recording means, 3a
3b is a recording head, 3b is a platen roller, 3b is a roller shaft portion, 3b is a roller portion, 3c is a head support member, 3d
is a spring, 3e is a fork member, 4 is a cutter, 5a, 5
b is a discharge roller, 6 is a device main body, 6a, 6b are side walls, 6
c is a partition wall, 6d is a bracket, 6d1 is a shaft hole, 6e is a shaft, 6f is a support member, 6r is a case, lx is a support piece,
6g is the recording sheet path slope, 7 is the rotation axis of the roll holder 8, 9 is the recording cover, 9a is the original table, 9a is the horizontal part, 9az is the inclined part, 9b is the shaft member, 9C is the slider, 9d is the The locking part, 9d is a key-shaped locking groove, 9d is a part of a stopper, 9e+, 9ez, 9f1゜9fz is a bearing groove, 9g is a locking member, 9g+ is a U groove, 10 is a document, l
la is a preliminary conveyance roller, llb is a pressing piece, 12a is a separating roller, 12b is a pressing piece, 13a and 13b are conveying rollers, 14a and 14b are discharge rollers, 15 is a discharge tray, 1
6 is a light source, 17 is a mirror, 18 is a lens, 19 is a photoelectric conversion element, 20 is a hand center, 20a is a curl cord,
20b is a telephone line, 21 is an electrical board, 22 is a power supply section, 23
is a decal shaft, 24 is a guide saw shaft, 24a is an L-shaped arm, 24b is a shaft, 25 is a supply reel, 25a is a reel shaft, 25bl, 25bZ is a flange, 25C is a reel gear, 26 is a take-up reel, 26a is a reel shaft, 2
6b+, 26bz is flange, 26c is reel gear,
27 is a frame body, 27a is a first housing, 27a is a welded part,
27a2 is a side plate, 27a3 is a fitting hole, 27a is a welding part, 27b is a second housing, 27b1 is a welding part, 27bz is a side plate, 27b3 is a fitting protrusion, 27b4 is a locking protrusion, 27b
, is a protruding part, 27a is a welded part, 27c+, 27Cz
is a welded part, 27d is a window, 27d1 is a window edge, 27e is a window, 27e is a notch, 27e2 is an edge slope, 27e3 is a reflective surface, 27f is a guide pin, 27g+, 27gz are U
Groove, 27h+, 27hz is opening, 27i is identification means,
27i27iz, 2713 is an identification piece, 28a, 28b
is a bearing, 29 is a micro switch, 29a is a first switch, 29b is a second switch, 29c is a third switch, 3
0 is a sponge, 31 is a guide member, 32 is a stopper,
32a is a locking part, 32b is a hanging piece, 32c is a standing part, 3
2d is a thin wall portion, 32e is a pull-out ring portion, 33 is a packaging material, 34 is a cover stay, 34a is a groove, 34a1 is an arcuate groove, 34a2 is a linear groove, 34a is a protrusion, 34b is a plate portion, 34c is a shaft portion , 34d is a through hole, 35 is a pin, 36 is a stay attachment part, 36a is a shaft, 37 is a twisted coil spring,
38 is a latch means, 38a is a hook member, 38a1 is a slide portion, 38a2 is a hook portion, 38a3 is a first locking portion, 38a4 is a second locking portion, 38a is a back plate portion, 38a6
3 is a coil spring, 38a7 is a locking projection, 38a8 is a slide groove, 38b is a case member, 38b1 is a long hole, 3
8b2 is a locking projection, 38c is a locking piece, 38c1 is a slide projection, 38C-, 38C3 is a guide projection, 38c4 is a locking projection, 38cs, 38c= is a guide recess, 39
is platen motor, 40a, 40b, 4
0c is a gear, 41 is a take-up reel drive mechanism, 41a is a bracket, 41b is an ink sheet motor, 41c is a motor gear, 41d is a third reduction gear, 41e is a second reduction gear, 41f is a third reduction gear, 41g 42 is a driving force transmission gear, 42 is a hack tension applying mechanism, 42a is a rotation fulcrum, 42b is a rotation plate, 42C is a tension transmission gear, 42d is a sliding flange, 42e is a tension spring, 43 is a control unit, 43a
is CPU, 43b is ROM, 43c is RAM, 44 is interface, 4546 is motor driver, 47
is the Gento driver, 48 is the recording sheet presence sensor,
48a is a light emitting element, 48b is a light receiving element, 49 is an NCU,
50 is an elastic part, 51a and 51b are notches, 52 is an insertion member, 52a is a handle, and 53 is a packaging member.

Claims (2)

[Claims] (1) An ink sheet cartridge having a supply reel wound with an ink sheet and a take-up reel in a frame, which is equipped with a regulating member for regulating rotation of the supply reel and take-up reel. sheet cartridge. (2) Claim (1) wherein the regulating member is engaged with a reel gear integral with the supply reel and a reel gear integral with the take-up reel to regulate rotation of the supply reel and the take-up reel. ) Ink sheet cartridge described.