JP2006095949A - Booklet processing equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide booklet processing equipment which can eliminate sagging of inner paper by an inexpensive constitution. <P>SOLUTION: A printer for printing information in a bankbook 1 has a heat roller for transferring information, printed on an intermediate transfer ribbon, onto an opened page of the bankbook 1. A driven roller is pressed and arranged on a carrying roller for carrying the bankbook 1 to a transfer position, via a carrying passage. When the bankbook 1 gets into a nip between the carrying roller and the driven roller, the sagging sometimes occurs in the inner paper of the bankbook 1. In a sagging eliminating roller 13' for eliminating the sagging, a rotating shaft 61 is equipped with a one-way clutch 63 and a torque limiter 64. When the bankbook 1 is carried in the direction of an arrow T2, the roller 13' applies torque to the opened page of the bankbook 1, and functions to pull the opened page from a seam. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a booklet processing apparatus for conveying and processing a booklet such as a bankbook.

  Conventionally, a passbook printing apparatus using an intermediate transfer ribbon is known as a booklet processing apparatus (see, for example, Patent Document 1). This printing apparatus prints predetermined information on a passbook by temporarily printing information on characters and images on an intermediate transfer ribbon and transferring the information to a medium such as a passbook. At this time, the passbook is transported through a transfer position facing the intermediate transfer ribbon, but is transported in a direction substantially perpendicular to the stitches in a state where the print page is opened. When entering the nip, there is a case where the inner paper bound in the booklet is loosened. If the middle paper is slackened, the ribbon comes into contact with the slackened part and the ink adheres to it, or if printing is performed as it is, the printing position will be displaced.

  For this reason, in this printing apparatus, the two pairs of conveyance rollers arranged along the conveyance path so as to sandwich the transfer position are rotated in opposite directions at a predetermined timing, and are bound between the two pairs of conveyance rollers. I try to remove slack from the paper in my passbook.

However, as in the conventional printing apparatus described above, in order to rotate the two pairs of conveyance rollers arranged along the conveyance path in opposite directions, a motor, a drive circuit, and a drive transmission are transmitted to each roller pair. A separate drive system such as a system is required, and there is a problem that the cost of the apparatus increases.
JP 2003-103810 A (paragraph [0090], FIG. 10)

  An object of the present invention is to provide a booklet processing apparatus that can remove slack in a middle sheet with an inexpensive configuration.

  In order to achieve the above object, a booklet processing apparatus according to the present invention has a booklet in which a plurality of paper sheets are bound in an open state and transports in a first and second directions substantially perpendicular to the stitches. And the first and second transport rollers disposed on one side of the transport path so as to be separated from each other along the first direction, and the first and second transport rollers arranged in contact with the first transport roller via the transport path. When the booklet is conveyed in the first direction from the first conveyance roller to the second conveyance roller, the driven roller is arranged in rolling contact with the second conveyance roller via the conveyance path. When the booklet is transported in the second direction opposite to the first direction, a slack eliminating roller that applies a frictional force to the booklet, and the booklet in the open state through the transport path. The booklet is transported in the first direction, and the front end of the booklet in the transport direction is the second transport roller. After being nipped in the nip between the La and the slack eliminating roller, the booklet so as to convey in the second direction, and a control unit for driving and controlling the first and second conveying rollers.

  According to the above invention, the first and second transport rollers are rotated in the reverse direction while the booklet is held at the nip between the second transport roller and the slack eliminating roller, and the slack of the middle paper is caused by the frictional force applied by the slack eliminating roller. Like to take.

  Since the booklet processing apparatus of the present invention has the above-described configuration and operation, it is possible to remove the slack of the intermediate paper with an inexpensive configuration.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a passbook printing system in which a printing device 20 (booklet processing device) that prints information such as a name and address of a holder and a photograph and prints character information corresponding to the transaction contents on a passbook 1 (booklet). 10 (hereinafter simply referred to as the system 10). The bankbook 1 handled here is formed by binding a plurality of middle sheets with two cover sheets. Moreover, in this system 10, the bankbook 1 is conveyed in the direction substantially orthogonal to the stitches.

  The system 10 accommodates a plurality of closed unused passbooks 1 in a stacked state, and takes in the system 10 one by one into the system 10 and from the passbook take-in portion 12 to the right in FIG. An extended conveyance path 11 is provided. A plurality of transport rollers 14 for transporting the passbook 1 taken in from the passbook take-in part 12 in both forward and reverse directions are disposed below the transport path 11 in the figure. Above the transport path 11 in the figure, a plurality of driven rollers 13 are disposed to transport the bankbook 1 with the respective transport rollers 14. The driven roller provided adjacent to the left side of the printing apparatus 20 in the drawing is replaced with a slack eliminating roller 13 'to be described later. In the following description, the right direction in FIG. 1 from the passbook take-in unit 12 toward the printing apparatus 20 described later is the forward direction (second direction), and the opposite direction is the reverse direction (first direction).

  A system 10 includes a page turning unit 16 having a page detection sensor S and a page turning mechanism 15 for detecting a page opened in the passbook 1 on the downstream side of the passbook take-in unit 12 along the conveyance path 11, and a page turning unit. 16 includes an image forming unit having a printing device 20 that prints predetermined information on the passbook 1 on which a predetermined page is opened, and a passbook discharge unit that discharges the passbook 1 on which information is printed on a desired page. In addition, a bankbook entry port (not shown) is provided above the bankbook discharge unit to take in the issued bankbook into the system 10.

  The page detection sensor S detects an image of the opened page of the passbook 1 and sends the image data to the control unit 50 described later. Based on this image data, the control unit 50 recognizes the opened page of the bankbook 1 from a bar code (not shown) assigned to a predetermined position of the page.

  The page turning mechanism 15 includes a backup plate 17 disposed below the conveyance path 11, a turning roller 18 disposed above the conveyance path 11, and a fulcrum 19 a provided at the center of oscillation of the backup plate 17. It has a swing shaft 19 that is swingable at the center and has a turning roller 18 rotatably attached to the tip of the swing. When the swing shaft 19 is swung by a motor (not shown) at a position indicated by a broken line in FIG. 1, the turning roller 18 is swung and the backup plate 17 is swung in conjunction therewith. The turning roller 18 can be rotated clockwise or counterclockwise by a motor (not shown).

  When turning the page of the passbook 1 by the page turning mechanism 15, first, the passbook 1 is transported to a predetermined position in the page turning mechanism 15 and stopped. For example, as shown by a broken line in FIG. It swings leftward and presses the turning roller 18 onto the passbook 1. At this time, as the swing shaft 19 swings, the backup plate 17 also swings, and the back surface of the bankbook 1 is pushed upward by the tilted backup plate 17.

  In this state, the turning roller 18 is rotated by being pressed against the page on the upstream side of the bankbook 1 in the conveying direction, and the turning operation of the uppermost page of the bankbook 1 is started. By this turning operation, the page swells up, and when it is turned to some extent, the turning roller 18 is stopped. Further, after returning the swing shaft 19 from this state to the position indicated by the solid line in the figure, the turning roller 18 is rotated again, and the page is completely turned on the turning roller 18.

  Then, the bankbook 1 is conveyed in the reverse direction, the page turned up on the roller is completely opened, the image data of the opened page is detected through the page detection sensor S, and the page opened by reading the barcode is read. Check. Thereby, the desired page of the bankbook 1 can be automatically opened and the opened page can be recognized. The passbook 1 in which the desired page is opened in this way is conveyed to the printing apparatus 20 described later, and predetermined information is printed on the desired page.

  Note that the page turning mechanism 15 can be operated in reverse to the above-described operation to open the page of the bankbook 1 in the reverse direction.

FIG. 2 shows the printing apparatus 20 in an enlarged manner.
The printing apparatus 20 includes a printing unit 3 and a transfer unit 4 provided below the printing unit 3.

  The printing unit 3 includes a thermal head 5, and a platen roller 6 is disposed opposite to the thermal head 5. Between the thermal head 5 and the platen roller 6, for example, an image ribbon 7 in which molten ink of each color of Y (yellow), M (magenta), C (cyan), and Bk (black) is applied to a dander is interposed. . One end of the image ribbon 7 is wound around the delivery shaft 8, and the other end is wound around the winding shaft 9. The middle part of the image ribbon 7 is stretched around guide members 21 and 22.

  The image ribbon 7 may be a monochromatic ink ribbon, a fluorescent pigment ink that emits light by ultraviolet rays, a metal thin film (aluminum vapor deposition) layer for printing having a glossy surface, or a hologram layer for printing. It may be a ribbon material having functions such as.

  On the other hand, the transfer unit 4 includes a heat roller 26, and a backup roller 27 is positioned below the heat roller 26. The heat roller 26 has a heater 26a inside, and is formed in a cross-sectional D shape in which a part of the outer periphery thereof is substantially planar. The length of the remaining curved outer peripheral portion 26 </ b> B of the heat roller 26 is substantially the same as the length of the image transfer area along the conveyance direction of the passbook 1. The image transfer area refers to an area where an image can be formed within a page of the passbook 1.

  An intermediate transfer ribbon 28 as an intermediate transfer member is interposed between the heat roller 26 and the backup roller 27. The intermediate transfer ribbon 28 has a long base film made of a polyester material, and a transfer layer made of a polyester resin is sequentially applied to the surface of the base film through a release layer made of a phenoxy resin. Has been. An image is printed on the transfer layer via the printing unit 3 described above. In order to transfer the printed image to a predetermined page of the passbook 1, the transfer layer is peeled off from the base film and transferred to the passbook 1 together with the image.

  The intermediate transfer ribbon 28 is provided with a functional layer such as a hologram layer or a fluorescent coloring layer that emits light by ultraviolet rays, so that these functional layers can be transferred based on the image transfer to the passbook 1.

  One end side of the intermediate transfer ribbon 28 is wound around a feed shaft 30 provided near the printing unit 3, and the other end side is wound around a winding shaft 31 provided near the transfer unit 4. The intermediate portion of the intermediate transfer ribbon 28 is stretched over the platen roller 6, the guide shafts 32 a to 32 d, and the ribbon tensioner 34. That is, the intermediate transfer ribbon 28 is given a predetermined tension by the ribbon tensioner 34 that is constantly urged in the direction of the arrow in FIG. 2, and in the printing unit 3, between the outer periphery of the platen roller 6 and the image ribbon 7. Intervened. In addition, the intermediate transfer ribbon 28 is stretched around the guide shafts 32 c and 32 d in the transfer unit 4, is separated above the transport path 11, and extends in parallel along the transport path 11.

  The heat roller 26 has its substantially flat cut surface 26A facing the transport path 11 in parallel via the intermediate transfer ribbon 28 during printing standby (posture shown in FIG. 2). Thereby, a gap is formed between the heat roller 26 and the backup roller 27. At this time, the intermediate transfer ribbon 28 is disposed at a position where it does not contact the heat roller 26 and the backup roller 27 and does not contact the surface of the bankbook 1 entering at the start of printing.

  FIG. 3 is a block diagram of a control system that controls the operation of the system 10 including the printing apparatus 20 configured as described above.

  The control unit 50 of the system 10 is connected to each mechanism of the passbook take-in unit 12 and the page turning unit 16 described above. The controller 50 is connected to a stepping motor 51 for rotating a plurality of transport rollers 14 for transporting the bankbook 1 through the transport path 11 in both forward and reverse directions.

  Further, the control unit 50 includes a pulse motor 52 for rotating the winding shaft 9 that winds up the image ribbon 7 of the printing unit 3, a pulse motor 53 for rotating the delivery shaft 30 that sends out the intermediate transfer ribbon 28, and A pulse motor 43 for rotating the winding shaft 31 that winds up the intermediate transfer ribbon 28 is connected.

  Furthermore, the thermal head 5 of the printing unit 3, the stepping motor 55 for rotating the heat roller 26, and the rotary encoder 45 attached to the winding shaft 31 of the intermediate transfer ribbon 28 are connected to the control unit 50. .

  Next, the operation of the printing apparatus 20 will be described with reference to FIG.

  In the standby state before the operation, the heat roller 26 is set in a posture (the posture shown in FIG. 2) in which the cut surface 26 </ b> A faces the conveyance path 11. The heat roller 26 is heated to a predetermined temperature (150 ° C. in the present embodiment) by energizing the heater 26a.

  In this state, the image ribbon 7 and the intermediate transfer ribbon 28 are pressed against the platen roller 6 by the thermal head 5, the platen roller 6 is rotated at a predetermined speed, and the intermediate transfer ribbon 28 and the image ribbon 7 are run. 5 prints an image on the transfer layer of the intermediate transfer ribbon 28. At the same time, the take-up shaft 9 of the image ribbon 7 and the take-up shaft 31 of the intermediate transfer ribbon 28 are rotated, and the image ribbon 7 and the intermediate transfer ribbon 28 conveyed by the platen roller 6 are taken up. The printed image is transported to the transfer area between the heat roller 26 and the backup roller 27 by the travel of the intermediate transfer ribbon 28 and stopped at a predetermined transfer position.

  At this time, the winding shaft 31 of the intermediate transfer ribbon 28 is rotated at a rotational speed that is faster than the traveling speed by the platen roller 6, but in reality, at the traveling speed by the platen roller 6 by the action of the torque limiter 40. Rotate. The controller 50 detects the actual rotation speed of the winding shaft 31 of the intermediate transfer ribbon 28 via the rotary encoder 40 and detects the winding diameter of the intermediate transfer ribbon 28 wound on the winding shaft 31. Is done.

  On the other hand, the bankbook 1 in which a predetermined page is opened is conveyed through the conveyance path 11 and is stopped in a state where the leading edge of the page forming the image is arranged directly below the heat roller 26. At the same time as the heat roller 26 is rotated, the plurality of transport rollers 14 are rotated, and the curved outer peripheral portion 26B of the heat roller 26 is pressed against the bankbook 1 via the intermediate transfer ribbon 28 on which the image is printed. It is done. At this time, the winding shaft 31 is rotated at a rotational speed based on a previously detected winding diameter, and the intermediate transfer ribbon 28 is driven at the same speed as the conveyance speed of the bankbook 1.

  Thereby, the intermediate transfer ribbon 28 is heated and pressed against the passbook 1, and the portion of the transfer layer on which the image is printed is transferred to the passbook 1 together with the image. After the image transfer, the intermediate transfer ribbon 28 is oriented in a direction different from the conveying direction of the passbook 1, the intermediate transfer ribbon 28 and the passbook 1 are separated, and the transfer layer and the intermediate transfer ribbon including the image transferred to the passbook 1. The base film is peeled off.

  After peeling, as necessary, the delivery shaft 30 of the intermediate transfer ribbon 28 is rotated in the direction of winding the ribbon (reverse direction), and the intermediate transfer ribbon 28 is wound up by a predetermined distance. That is, since the intermediate transfer ribbon 28 separated from the passbook 1 by the peeling shaft 33 can be used at a portion upstream from the portion where the transfer layer is removed from the base film due to peeling, this portion faces the thermal head 5. The intermediate transfer ribbon 28 is wound up to the position.

Next, the structure and function of the slack eliminating roller 13 ′ of the printing apparatus 20 described above will be described with reference to FIGS.
As shown in FIG. 4, the slack eliminating roller 13 ′ is disposed downstream of the heat roller 26 along a direction (first direction) (in the direction of arrow T1 in the figure) from a passbook entry port (not shown) toward the page turning portion 16. Adjacent to each other. The slack eliminating roller 13 'is pressed and arranged on the conveying roller 14a (second conveying roller) through the conveying path 11 with a predetermined pressing force N, which is 8.2 [N] in this embodiment.

  As shown in FIG. 5, two roller portions 62, a one-way clutch 63, and a torque limiter 64 are attached to the rotation shaft 61 of the slack eliminating roller 13 ′. The two roller portions 62 are arranged apart from each other along the rotation shaft 61, and are formed of urethane having a diameter D = 12 [mm] and a hardness of 65 [°] in the present embodiment.

  The one-way clutch 63 frees the rotation shaft 61 when the slack eliminating roller 13 'rotates in the direction of arrow T1 in FIG. 4, and the slack eliminating roller 13' is in the reverse direction (second direction) (in the direction of arrow T2 in FIG. 4). It functions to constrain the rotation shaft 61 when rotating to the right. That is, the slack eliminating roller 13 ′ rotates freely in the clockwise direction in FIG. 4 and rotates with a predetermined torque in the counterclockwise direction by the function of the one-way clutch 63.

  The torque limiter 64 gives torque in a direction to suppress the rotation of the rotary shaft 61 to the one-way clutch 63 when the slack eliminating roller 13 'rotates in the direction of arrow T2 in FIG. That is, the torque limiter 64 functions to give a constant rotation suppression torque to the rotating shaft 61 when the slack eliminating roller 13 'rotates counterclockwise in FIG.

  More specifically, the coefficient of static friction between the opened page of the passbook 1 and the roller portion 62 of the slack eliminating roller 13 ′ is μ, the diameter of the slack eliminating roller 13 ′ is D [m], and the slack eliminating roller When the pressing force against the conveying roller 14a is N [N], the torque T [N · m] of the torque limiter 64 is set to a value satisfying the following expression.

T / (D / 2) <μN
When the torque of the torque limiter 64 is set to a value satisfying the above equation, if the slip of the middle paper of the passbook 1 has a slack as described later, the middle paper of the passbook 1 and the roller portion 62 of the slack eliminating roller 13 ′ are removed until the slack is removed. After slipping without slipping, the slack eliminating roller 13 ′ operates so as to follow the passbook 1.

  Hereinafter, the slack eliminating operation by the slack eliminating roller 13 ′ will be described with reference to FIGS. 6 to 10. Here, an operation will be described in which the slack generated on the inner sheet when the user inputs the issued bankbook 1 from a bankbook slot (not shown) with the booklet page opened is described.

  As shown in FIG. 6, when the bankbook 1 is inserted into the system 10 through a bankbook slot (not shown), the left end of the bankbook 1 in the figure is the transport roller 14 b (first transport roller) and the driven roller 13. It is sandwiched between nips and conveyed in the direction of arrow T1. Further, as shown in FIG. 7, the bankbook 1 passes through the transfer position and is transported in the direction of the arrow T1, and the front end in the transport direction is between the transport roller 14a on the downstream side of the heat roller 26 and the slack eliminating roller 13 ′. It is pinched by the nip of and stopped.

  At this time, as shown in FIG. 8, the slack eliminating roller 13 ′ idles in the direction of the bankbook 1 and does not hinder the conveyance of the bankbook 1. That is, in this case, the rotation of the roller portion 62 is not transmitted to the torque limiter 64 through the rotation shaft 61, and no torque is applied to the rotation shaft 61. However, at this time, when the leading end of the bankbook 1 in the conveyance direction enters the nip between the rollers 14a and 13 ', the middle sheet of the bankbook 1 may be slack as shown in FIG.

  As described above, when the slack is generated on the page opened in the passbook 1, the slack page of the passbook 1 may come into contact with the intermediate transfer ribbon 28 and ink may adhere thereto. Further, if the bankbook 1 is transported to the transfer position and printed while the slack is generated, the printing position is displaced.

  For this reason, in this embodiment, as shown in FIG. 9, the passbook 1 that has passed through the transfer position is slightly returned in the direction of the arrow T2 toward the passbook slot, thereby loosening the page that the passbook 1 is open. I did it. In other words, in this embodiment, the passbook 1 inserted from the passbook entry port is passed through the transfer position and returned in the reverse direction, so that the loose page of the passbook 1 is removed.

  That is, as shown in FIG. 10, when the bankbook 1 is conveyed in the direction of the arrow T2 in a state where the slack page is nipped between the conveyance roller 14a and the slack eliminating roller 13 ', the slack eliminating roller is as described above. 13 'functions and the slack page is pulled away from the stitches, and the slack can be removed.

  More specifically, when the slack eliminating roller 13 ′ rotates around the bankbook 1 and rotates in the direction of the arrow T2, the one-way clutch 63 transmits the rotation to the torque limiter 64 and tries to stop the rotation of the slack eliminating roller 13 ′. To do. At this time, by setting the torque of the slack eliminating roller 13 ′ to an appropriate value as described above, the slack eliminating roller 13 ′ is stopped without slipping between the roller portion 62 and the middle sheet until the slack of the middle sheet is removed. After the slack is removed, the slack eliminating roller 13 ′ operates so as to follow the bankbook 1.

  In the printing apparatus 20 according to the present embodiment, when the appropriate torque of the torque limiter 64 is examined by experiment, it is possible to satisfactorily take up the slack that has occurred on the inner sheet of the passbook 1 when the torque T is set to the following range. It was.

2.7 × 10 ⁻² <T <3.5 × 10 ⁻² [N · m]
As described above, according to the present embodiment, a plurality of rollers are separated from each other as in the prior art by a simple configuration in which the slack eliminating roller 13 ′ having the above-described structure is disposed on the conveyance path 11 of the bankbook 1. It is not necessary to rotate in the direction, and the slack of the middle paper of the passbook 1 can be removed easily and reliably. As a result, it is possible to prevent problems such as ink adhering undesirably to the middle paper of the passbook 1 or causing a shift in the transfer position, thereby providing a highly reliable processing apparatus.

  Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above-described embodiments. For example, you may delete some components from all the components shown by embodiment mentioned above.

  For example, in the above-described embodiment, the case where the bankbook 1 is processed has been described. However, the present invention is not limited to this, and the present invention is applied to an apparatus that conveys and processes other types of booklets in which a plurality of paper sheets are bound. It may be applied.

  Further, the position where the slack eliminating roller is disposed can be changed as appropriate, and the slack eliminating roller may be disposed in the page turning portion 16 or the like.

The figure which shows schematic structure of the passbook printing system which concerns on embodiment of this invention. The figure which shows schematic structure of the printing apparatus of the system of FIG. The block diagram of the control system which controls operation | movement of the system of FIG. Schematic which shows the structure of the principal part of the printing apparatus of FIG. 2 with a slack removal roller. The perspective view which shows schematic structure of the slack eliminating roller of FIG. The figure which shows the state which conveys the taken passbook to a transcription | transfer position. The figure which shows the state which passed the transfer position slightly. The schematic perspective view for demonstrating operation | movement of the slack eliminating roller at the time of operation | movement of FIG. The figure which shows the state which conveys a bankbook in the reverse direction from the state of FIG. The schematic perspective view for demonstrating the operation | movement which removes the slack of the middle paper of a passbook at the time of the operation | movement of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Passbook, 3 ... Printing part, 4 ... Transfer part, 11 ... Conveyance path, 13 ... Driven roller, 13 '... Slack removal roller, 14 ... Conveyance roller, 20 ... Printing apparatus, 26 ... Heat roller, 27 ... Backup roller 28, intermediate transfer ribbon, 50, control unit, 61, rotating shaft, 62, roller unit, 63, one-way clutch, 64, torque limiter, T1, first direction, T2, second direction.

Claims (5)

A conveyance path that conveys the booklet in which a plurality of paper sheets are bound in a first and second directions that are substantially perpendicular to the binding line;
First and second transport rollers disposed on one side of the transport path so as to be spaced apart along the first direction;
A driven roller disposed in rolling contact with the first transport roller via the transport path;
When the booklet is conveyed in the first direction from the first conveyance roller to the second conveyance roller, the booklet is rotated along with the second conveyance roller via the conveyance path. A slack eliminating roller that applies a frictional force to the booklet when transporting the booklet in the second direction opposite to the first direction;
The booklet in the open state is conveyed in the first direction through the conveyance path, and the booklet in the conveyance direction is sandwiched by the nip between the second conveyance roller and the slack eliminating roller, and then the booklet. A controller for driving and controlling the first and second transport rollers so as to transport the first transport roller in the second direction;
A booklet processing apparatus comprising:   The rotation shaft of the slack eliminating roller is free when the slack eliminating roller rotates in the first direction, and constrains the rotation shaft when the slack eliminating roller rotates in the second direction. The booklet processing apparatus according to claim 1, wherein a one-way clutch is attached.   A torque limiter is attached to the rotation shaft of the slack eliminating roller, and applies torque in a direction to suppress rotation of the rotation shaft to the one-way clutch when the slack eliminating roller rotates in the second direction. The booklet processing apparatus according to claim 2. The coefficient of static friction between the booklet and the slack eliminating roller is μ, the diameter of the slack eliminating roller is D [m], and the pressing force of the slack eliminating roller against the second conveying roller is N [N]. When the torque of the torque limiter is T [N · m],
T / (D / 2) <μN
The booklet processing apparatus according to claim 3, wherein: A printing section for printing information on the intermediate transfer member;
A transfer unit that is provided on a transfer path between the first transfer roller and the second transfer roller, and that transfers information printed on the intermediate transfer body to an open page of the booklet;
The booklet processing apparatus according to any one of claims 1 to 4, further comprising:

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