JPH0512821A - Cartridge magazine - Google Patents

Abstract

PURPOSE:To execute the inserting and ejecting operations for plural cartridge type magnetic tapes by operations with good operability. CONSTITUTION:Falling-off preventive pieces 4 and 5 are provided for every cartridge type magnetic tape on the side of an opening part B where the inserting and ejecting operations are executed for a cartridge magazine 14 by the operators. Fixings and releasings for the plural falling-off preventive pieces 5 are executed at a batch by falling-off preventive pieces 7 which move integrally with a cam plate 13 which executes a fixing and releasing operation for the cartridge automatic changer of the cartridge magazine 14. The falling-off preventing pieces 4 operators so as to prevent the spring-out of the cartridge type magnetic tape 1 to the side of an opening part A. The spring-out of the cartridge type magnetic tape 1 to the side of the opening part B caused by gravity is prevented by the falling-off preventive pieces 5 and the cartridge type magnetic tape 1 is fixed by a force of incapable obstructing the inserting and ejecting operations by the operators.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique effective when applied to a cartridge magazine used for storing a cartridge type magnetic tape.

[0002]

2. Description of the Related Art For example, in an information processing system such as an electronic computer system, a magnetic tape and a reel or a container for accommodating the magnetic tape are integrated to form a functional unit as a recording medium for a large amount of information. A cartridge-type magnetic tape that can be used without removing is used.

Conventionally, as a cartridge magazine used for accommodating such a cartridge type magnetic tape, for example, one disclosed in JP-A-63-268181 is known.

That is, an individual pop-out prevention piece for controlling the fixing and releasing of the movement of the plurality of cartridge type magnetic tapes at the opening on the side of the magnetic tape device for each cartridge type magnetic tape, and the operator of the cartridge type magnetic tape. And a collective pop-out prevention piece that collectively prevents the plurality of cartridge type magnetic tapes from falling off at the opening on the opposite side where the insertion / removal operation is performed.

[0005]

In the conventional cartridge magazine as described above, the workability when an operator inserts and removes a plurality of cartridge type magnetic tapes in a state where the cartridge magazine is mounted on the automatic cartridge changing machine. When taking out a processed cartridge type magnetic tape or adding another cartridge type magnetic tape without consideration, the operator releases the batch pop-out prevention piece with one hand while the other hand When a plurality of cartridge type magnetic tapes are inserted and removed at the same time, there is a problem that replacement work becomes complicated and difficult because both hands cannot be used.

An object of the present invention is to provide a cartridge magazine which allows an operator to insert and remove a plurality of cartridge type magnetic tapes with good workability.

The above and other objects and novel features of the present invention will be apparent from the description of this specification and the accompanying drawings.

[0008]

Among the inventions disclosed in the present application, a typical one will be briefly described as follows.
It is as follows.

That is, the cartridge magazine of the present invention stores a plurality of cartridge type magnetic tapes and is mounted on an automatic cartridge exchange mechanism for loading and unloading the cartridge type magnetic tapes into and from the magnetic tape device. In the magazine, a first opening for transferring the cartridge type magnetic tape to and from the magnetic tape device is provided, and a first opening is provided on the opposite side of the first opening so that the operator can insert and remove the cartridge type magnetic tape. A plurality of first opening portions and a plurality of first positioning grooves engraved in the individual cartridge type magnetic tapes are respectively fitted to prevent the cartridge type magnetic tape from jumping out from the first opening portions. 1 drop-out prevention means and a second cartridge engraved on each cartridge type magnetic tape
And a plurality of second drop-out preventing means for individually preventing the cartridge type magnetic tape from protruding from the second opening, the second drop-out preventing means being a cartridge type. The magnetic tape is prevented from jumping out from the second opening due to its own weight, and is loosely fitted into the second positioning groove of the cartridge type magnetic tape to such an extent that the insertion / removal operation by the operator is not hindered. .

The cartridge magazine according to the present invention is the cartridge magazine according to claim 1,
A magazine fixing mechanism that fits into the magazine positioning groove provided on the side of the automatic cartridge changing mechanism to fix and release the fixing of the cartridge / magazine to the automatic cartridge changing mechanism, and the fixing and releasing operation of this magazine fixing mechanism. And a third drop-out preventing means for collectively releasing and restraining the plurality of second drop-out preventing means.

The cartridge magazine of the present invention stores a plurality of cartridge type magnetic tapes and is mounted on an automatic cartridge exchange mechanism for loading and unloading the cartridge type magnetic tapes into and from the magnetic tape device. In the magazine, the rotation shafts provided at both ends are rotatably supported by the top plate and the bottom plate of the cartridge magazine, and the rotation shaft protruding from the bottom plate is interlocked with pushing and releasing by pushing the cartridge magazine by its own weight. It is provided with a fourth detachment preventing means for releasing and fixing the cartridge type magnetic tape by rotating.

Further, the cartridge magazine of the present invention contains a plurality of cartridge type magnetic tapes and is mounted on an automatic cartridge exchange mechanism for loading and unloading the cartridge type magnetic tapes into and from the magnetic tape device. In the magazine, a plurality of partition plates arranged in the height direction at desired intervals and tiltable in the inserting / removing direction of the cartridge type magnetic tape to be placed, and the tilting operation of the partition plate for each of the plurality of partition plates. It engages without restraint, and one end projects to the bottom of the cartridge magazine to
The cartridge-type magnetic device is provided with a fifth drop-out preventing means including a driving piece that moves up and down in association with the mounting and lifting operations of the magazine, and when the cartridge magazine is mounted on a desired flat surface, a plurality of partition plates are horizontal. The tape can be inserted and removed, and when the cartridge magazine is lifted, the partition plate is tilted to fix the cartridge type magnetic tape.

[0013]

According to the cartridge magazine of the present invention as set forth in claim 1, the second drop prevention for preventing the cartridge type magnetic tape from popping out from the side of the second opening through which the operator inserts and removes is performed. Means are provided for each individual cartridge type magnetic tape, and the second drop-out preventing means prevents the cartridge type magnetic tape from jumping out from the second opening due to its own weight, and allows the operator to insert and remove the magnetic tape. Since the structure is such that it is loosely fitted in the second positioning groove of the cartridge type magnetic tape to such an extent that it does not hinder the operation, the operator can operate the second detachment preventing means in the state in which the cartridge magazine is mounted in the automatic cartridge changer. A desired cartridge type magnetic tape can be easily inserted / removed through the second opening without releasing.

Further, by providing third drop-out preventing means for collectively releasing and restraining the second drop-out preventing means in association with mounting and unmounting of the cartridge magazine to and from the automatic cartridge changer, the cartridge is removed. It is possible to reliably prevent the cartridge type magnetic tape from jumping out from the cartridge magazine when it is removed from the automatic exchange.

According to the cartridge magazine of the present invention as defined in claims 3 and 4, for example, when the cartridge magazine is mounted on the automatic cartridge changer, the operator can insert and remove the cartridge type magnetic tape, -When carrying a magazine, the operation to prevent the cartridge-type magnetic tape from jumping out is automatically performed, so that the operator should not remove the drop-out prevention means while the cartridge magazine is installed in the automatic cartridge changer. The desired cartridge type magnetic tape can be easily inserted and removed without performing a complicated operation.

[0016]

Embodiment 1 FIG. 1 is a perspective view of a cartridge magazine which is an embodiment of the present invention, and FIG. 2 is a cross sectional view thereof.
3 and 4 are explanatory diagrams showing an example of the operation.

Cartridge magazine 14 of this embodiment
Is composed of a top plate portion 14a, a bottom plate portion 14b, and side plate portions 14c and 14d for connecting them, and an opening portion (first opening portion) A and an opening portion (second opening portion) which are opposite to each other. ) B has a frame shape.

The inside of the cartridge magazine 14 is provided with a plurality of partition plates 7 whose both ends are supported by the side plate portion 14c and the side plate portion 14d and a cantilever projecting from the side plate portion 14c and the side plate portion 14d. The partition plates 7 and 8 are partitioned in the height direction by a pair of partition plates 8.
The cartridge type magnetic tape 1 is placed and stored in each of the above. Both ends of the partition plate 7 are connected to the side plate portion 14c and the side plate portion 14d, so that the partition plate 7 also serves to increase the strength of the cartridge magazine 14 as a whole.

Further, the partition plate 7 is provided with a guide groove 7a which is fitted to a protrusion (not shown) of the cartridge type magnetic tape 1 at an asymmetrical position in the width direction.
The cartridge type magnetic tape 1 has a function of making it difficult to enter. Further, the lengths of the pair of partition plates 8 are asymmetrical according to the protrusions (not shown) of the cartridge type magnetic tape 1, and have the same operation.

The width of the side plate portions 14c and 14d is
The width is narrower than the width of the cartridge type magnetic tape 1 in the insertion / removal direction, and a part of the cartridge type magnetic tape 1 has openings A and B of the cartridge magazine 14.
Both of them are in a state of protruding by a predetermined dimension, which facilitates the holding operation when the operator inserts and removes the cartridge type magnetic tape 1 into and from the cartridge magazine 14.

On the upper surface of the top plate portion 14a, there is provided a label attaching surface 2 for managing and identifying the cartridge magazine 14 as a unit. Side plate portions 14c and 14
A guide groove 3 is engraved in the height direction on the outer side surface of d, so that the cartridge magazine 14 can be smoothly moved in the height direction and can be prevented from falling when the cartridge magazine exchange device 19 described later is mounted. is doing.

A taper 14e is formed on one of the side plate portions 14c and 14d on the side of the opening A, so that the cartridge magazine 14 can be easily loaded into the automatic cartridge changer 19.

In this case, the side plate portions 14c and 14d are provided with a plurality of drop-out preventing pieces (first drop-out preventing means) 4 arranged at respective storage positions of the individual cartridge type magnetic tapes 1.
And a fall prevention piece (second fall prevention means) 5 is provided.

As shown in FIG. 2, the fall prevention piece 4 has
The side plate portion 14c is composed of a cantilever-shaped arm portion 4a whose one end is flexibly supported, and a one-side taper protrusion 4b and a release mechanism engaging groove 4c provided at the tip of the arm portion 4a. There is. Then, the one-side taper protrusion 4b is fitted into the concave positioning groove (first positioning mechanism) 15 provided on the side surface portion of the cartridge type magnetic tape 1 by the elasticity of the arm portion 4a. In this state, the cartridge type magnetic tape 1 is prevented from jumping out to the side of the opening A, and there is no latching action to make it movable on the side of the opening B on the opposite side.

On the other hand, the fall prevention piece 5 has a cantilevered arm portion 5a whose one end is flexibly supported by the side plate portion 14d.
And a pair of taper portions 5c and 5d provided at the tip of the arm portion 5a and having different inclination angles.
And both taper projections 5b having Then, the both taper projections 5b are fitted into the positioning groove (second positioning mechanism) 16 of the cartridge type magnetic tape 1 by the elasticity of the arm section 5a, and the taper section 5c having a large inclination angle allows the cartridge type magnetic tape. 1 is prevented from jumping to the side of the opening B due to its own weight, and a fixing force that does not hinder the removal operation by the operator acts on the cartridge type magnetic tape 1, and the taper portion 5d having a gentle inclination angle The insertion operation of the cartridge type magnetic tape 1 from the outside is smoothly performed.

Further, in the side plate portion 14d provided with the fall-preventing pieces 5, the fall-preventing pieces 6 are arranged at positions where the plurality of fall-preventing pieces 5 are restrained from the outside. Both ends of the captive piece 6 rotate in a direction toward and away from the top plate part 14a and the bottom plate part 14b of the cartridge magazine 14 via the shafts 6a and 6b. It is supported freely, and by the torsion spring 9,
It is constantly urged in a direction away from the captive pieces 5 (a direction in which the captive pieces 5 are not constrained).

As shown in FIG. 5, the fall-preventing piece (third fall-preventing means) 6 is attached to the bottom plate portion 14b of the shaft 1 as shown in FIG.
The stoppers 10 are rotatably supported via 0a, and the stoppers 10 are urged by the torsion springs 11 in the rotation direction to fit the stopper pieces 6 at all times. The structure is fixed at the position.

A cam plate 13 is rotatably provided on the bottom plate portion 14b via a shaft 13a, and is rotated by an operator by a lever portion 13b protruding to the outside. There is. Then, as illustrated in FIG. 6, the cam plate 13 is rotated by the operator via the lever portion 13b when the cartridge magazine 14 is mounted on the automatic cartridge changer 19, and the cartridge automatic changer 19 is automatically moved. By fitting into the plurality of magazine fixing grooves 18 provided on the cartridge / magazine mounting surface 17 of the exchange 19, the cartridge magazine 14 is stably fixed to the cartridge / magazine mounting surface 17. .

Further, the bottom plate portion 14b is provided with a guide rod 12 for transmitting the rotational displacement of the cam plate 13 to the stopper 10. By the rotation of the cam plate 13, the cartridge magazine 14 is automatically replaced by the cartridge. When it is mounted and fixed on 19, the stopper 10 is interlocked with the cam plate 13 and the restraint of the stopper piece 6 by the stopper 10 is released.

An example of the operation of the cartridge magazine 14 of this embodiment will be described below.

First, a plurality of cartridge type magnetic tapes 1 are loaded into the cartridge magazine 14 in a state where the drop-out preventing piece 6 is released. At this time, the positioning grooves 15 and 16 of the cartridge-type magnetic tape 1 are fitted and fixed to the one-side taper projection 4b of the drop-out prevention piece 4 and the two taper projections 5b of the drop-out prevention piece 5, respectively. After accommodating the cartridge type magnetic tape 1, the plurality of captive pieces 5 are collectively constrained from the outside by the captive pieces 6.
In this state, the stopper 10 is fitted to the drop prevention piece 6. As a result, as shown in FIG. 5A, a plurality of cartridge type magnetic tapes 1 are stably held and stored in the cartridge magazine 14, and there is a concern that the cartridge type magnetic tapes 1 may pop out. Instead, the cartridge magazine 14 can be carried.

In this way, the cartridge magazine 14 containing the plurality of cartridge type magnetic tapes 1 is
The cartridge A is placed on the automatic cartridge changer 19 so that the side of the opening A faces the inside of the automatic cartridge changer 19, and the operator rotates the cam plate 13 via the lever portion 13b, and the cam plate 13 is rotated. Are fitted into the plurality of magazine fixing grooves 18 of the cartridge / magazine mounting surface 17.

At this time, the stopper 10 is interlocked with the moving operation of the lever portion 13b through the guide rod 12, as shown in FIG.
As described above, the stopper 10 is used to release the captive state of the plurality of captive prevention pieces 6 collectively.

After that, when the automatic cartridge changer 19 is activated by the operation switch 20 or the like, the automatic cartridge changer 19 moves the cartridge magazine 14 up and down as appropriate, and the target cartridge type magnetic tape 1 is
At the same time as matching the height of the magnetic tape device (not shown), a fixing release mechanism (not shown) engages with the release mechanism engagement groove 4c, and the state of FIG. 4A falls to the state of FIG. 4B. The prevention piece 4 is moved to release the moving and fixing state of the cartridge type magnetic tape 1 to the opening A side by the fall prevention piece 4.

As a result, the cartridge type magnetic tape 1
Is free to move to the side of the opening A, and is loaded into the inside of the magnetic tape device (not shown) through the opening A by the loading mechanism (not shown) of the automatic cartridge changer 19.

In the case of reverse unloading, the positioning grooves 15 and 16 are formed into the taper projections 4b of the drop-preventing pieces 4 and 5 by the expanding deformation of the arm portions 4a and 5a of the drop-preventing pieces 4 and 5 due to the elasticity. And the taper projections 5b are moved to the respective fitting positions and stopped, and the original stored state is restored.

Here, in the case of the present embodiment, when the cartridge type magnetic tape 1 held in the cartridge magazine 14 is exchanged when mounted in the automatic cartridge changer 19, as shown in FIG. As shown in the figure, the restraint of the plurality of fall-preventing pieces 5 by the fall-preventing pieces 6 has been released, so that the operator can apply the weight of the cartridge-type magnetic tape 1 to the target cartridge-type magnetic tape 1 and By applying a force more than the pop-out force at the time of unloading, the removal and insertion operation of the cartridge type magnetic tape 1 can be performed without any special releasing operation for the fall prevention piece 6, the fall prevention piece 5, and the like. Good and easy to carry out.

In particular, when a plurality of cartridge type magnetic tapes 1 are inserted into and removed from the cartridge magazine 14, a complicated operation such as a releasing operation with one hand each time the individual cartridge type magnetic tapes 1 are inserted and removed. It becomes completely unnecessary and the operability is good.

When the cartridge magazine 14 is removed from the automatic cartridge changer 19 after use, the fixed state by the cam plate 13 is released and a plurality of the fall prevention pieces 6 are used, contrary to the loading operation described above. If the stoppers 10 are fixed in a state in which the drop-out prevention pieces 5 are collectively restrained, there is a concern that the cartridge-type magnetic tape 1 may pop out from either the opening A or the opening B as before the loading. None, cartridge magazine 1
4 can be carried.

[0040]

Embodiment 2 FIGS. 7A and 7B are schematic sectional views showing a cartridge magazine which is another embodiment of the present invention.

Cartridge magazine 1 of the second embodiment
In the case of 40, the fall prevention piece (fourth fall prevention means) 30 having both ends rotatably supported by the top plate portion 14a and the bottom plate portion 14b via the rotation shaft 31a and the rotation shaft 31b is opened. It is provided on the part B side. Although not shown in particular, the rotation shafts 31a and 31b of the fall-preventing piece 30 are provided with screws having a large pitch, so that the top plate portion 14a and the bottom plate portion 1 can be formed.
The rotation shaft 31b on the lower side projects from the bottom plate 14b by its own weight when the cartridge magazine 140 is lifted in the air.

That is, the cartridge magazine 140
Is placed on the cartridge magazine mounting surface 17 of the automatic cartridge changer 19, for example, the rotating shaft 3
1b is pushed in, and as shown in FIG. 7 (a), the fall prevention piece 30 pivots and retreats laterally so as not to hinder the insertion / extraction operation of the cartridge type magnetic tape 1 at the opening B,
On the contrary, when the cartridge magazine 140 is lifted in the air for carrying or the like, the rotating shaft 31b projects and moves to a position that covers a part of the opening B as illustrated in FIG. 7B. The cartridge type magnetic tape 1 is prevented from popping out of the opening B.

As described above, in the case of the second embodiment, the pop-out prevention release and the pop-out prevention operation of the cartridge type magnetic tape 1 by the drop-out prevention piece 30 are automatically performed according to the mounting and carrying operation of the cartridge magazine 140. Therefore, the operator can easily perform the insertion / removal operation of the cartridge type magnetic tape 1 in the state of being mounted on the automatic cartridge changer 19 without being bothered by the release operation of the fall prevention piece 30. it can.

[0044]

[Third Embodiment] FIG. 8 is a schematic cross-sectional view of a cartridge magazine 141 according to a third embodiment of the present invention.

In the case of the third embodiment, a plurality of partition plates (fifth detachment preventing means) 40 on which the cartridge type magnetic tape 1 is placed are respectively connected to the cartridge type magnetic tape 1 through the rotary shaft 41. The tape 1 is supported so as to be tiltable in the insertion / removal direction. Each partition plate 40 is provided with a driving piece (fifth embodiment) provided in one side surface of the cartridge magazine 141 in the height direction via a locking shaft 42 projecting from the rotation shaft 41. It is fitted in the long hole 44 of the fall-off prevention means 43.

On the side of the opening B, a plurality of insertion / extraction holes 4 are provided.
6 are provided corresponding to the positions of the cartridge type magnetic tape 1 at the height of the plurality of partition plates 40 in the horizontal direction.

The lower end portion 45 of the driving piece 43 projects from the bottom plate portion 14b of the cartridge magazine 141, and when the cartridge magazine 141 is placed on a desired plane, the lower end portion 45 is attached to the cartridge. The partition plate 4 on which the cartridge type magnetic tape 1 is mounted is pushed in by the weight of the magazine 141 and the driving piece 43 is raised.
0 becomes horizontal, and conversely, cartridge magazine 141
In the case where the cartridge type magnetic tape 1 placed on each of the partition plates 40 is displaced from the position of the insertion / removal hole 46, the drive piece 43 descends and the partition plates 40 incline. Then, it will be in a state where it is prevented from popping out or falling off.

As described above, in the case of the third embodiment, according to the mounting and carrying operation of the cartridge magazine 141, the horizontal movement and the inclination of the partition plate 40 are used to release and prevent the ejection of the cartridge type magnetic tape 1. Since the blocking operation is performed automatically, the operator does not have to worry about releasing operations such as the pop-out prevention mechanism,
The insertion / extraction operation of the cartridge type magnetic tape 1 in the state of being mounted on the automatic cartridge exchange 19 can be easily performed.

Although the invention made by the present inventor has been specifically described based on the embodiments, the invention is not limited to the above embodiments, and various modifications can be made without departing from the scope of the invention. Needless to say.

[0050]

The effects obtained by the typical ones of the inventions disclosed in the present application will be briefly described as follows.
It is as follows.

That is, according to the cartridge magazine of the present invention, the effect that the operator can insert and remove a plurality of cartridge type magnetic tapes in a state of being mounted in the automatic cartridge exchange machine with good workability is obtained. To be

[Brief description of drawings]

FIG. 1 is a perspective view of a cartridge magazine which is an embodiment of the present invention.

FIG. 2 is a cross sectional view thereof.

3A and 3B are explanatory views showing an example of the operation.

4A and 4B are explanatory views showing an example of the action.

5 (a) and 5 (b) are explanatory views showing an example of the configuration and action.

FIG. 6 is an external perspective view of an automatic cartridge changer equipped with a cartridge magazine according to an embodiment of the present invention.

7A and 7B are schematic sectional views showing a cartridge magazine which is another embodiment of the present invention.

FIGS. 8A and 8B are schematic cross-sectional views of a cartridge magazine according to still another embodiment of the present invention.

[Explanation of symbols]

1 cartridge type magnetic tape 2 Labeling surface 3 guide grooves 4 Fall-out prevention piece (first fall-out prevention means) 4a Arm part 4b Single taper protrusion 4c Release mechanism engagement groove 5 Fall prevention piece (second fall prevention means) 5a Arm part 5b Double taper protrusion 5c taper part 5d taper part 6 Fall-out prevention piece (third fall-out prevention means) 6a axis 6b axis 7 dividers 7a Guide groove 8 partition boards 9 torsion spring 10 stopper 10a axis 11 torsion spring 12 guide bars 13 Cam plate 13a axis 13b Lever part 14 cartridge magazine 14a Top plate part 14b Bottom plate part 14c Side plate 14d side plate 14e taper 15 Positioning groove (first positioning mechanism) 16 Positioning groove (second positioning mechanism) 17 Cartridge magazine mounting surface 18 Magazine fixing groove 19 Cartridge automatic changer 20 Operation switch 30 Fall prevention piece (fourth fall prevention means) 31a rotation axis 31b Rotation axis 40 Partition Plate (Fifth Falling Prevention Means) 41 rotation axis 42 Locking shaft 43 Drive Piece (Fifth Falling Prevention Means) 44 long hole 45 Lower end 46 insertion / extraction hole 140 cartridge magazine 141 cartridge magazine A opening (first opening) B opening (second opening)

Claims (4)

[Claims] 1. A cartridge magazine mounted on an automatic cartridge exchange mechanism for accommodating a plurality of cartridge type magnetic tapes and for loading and unloading the cartridge type magnetic tapes into and from a magnetic tape device. A first opening through which the cartridge type magnetic tape is transferred to and from the apparatus, and a second opening formed on the side opposite to the first opening and through which an operator inserts and removes the cartridge type magnetic tape. Section and a plurality of first positioning grooves that are respectively fitted in the first positioning grooves formed in each of the cartridge-type magnetic tapes to individually prevent the cartridge-type magnetic tape from protruding from the first opening. And a second positioning groove formed in each of the cartridge type magnetic tapes. A plurality of second drop-out prevention means for individually preventing the cartridge-type magnetic tape from jumping out of the opening of the cartridge-type magnetic tape, the second drop-out prevention means including the second drop-out prevention means due to the weight of the cartridge-type magnetic tape. A cartridge magazine, characterized in that the cartridge magazine is loosely fitted to the second positioning groove of the cartridge type magnetic tape so as not to prevent the operator from inserting and removing the same while preventing the protrusion from the opening. 2. A magazine fixing mechanism that fits into a magazine positioning groove provided on the side of the automatic cartridge changing mechanism to fix and release the fixing of the cartridge magazine to the automatic cartridge changing mechanism, and the magazine fixing mechanism. 3. A third drop-out preventing means for interlocking with the fixing and releasing operation of the above, and for releasing and restraining a plurality of the second drop-out preventing means collectively. Cartridge magazine. 3. A cartridge magazine mounted on an automatic cartridge exchange mechanism for accommodating a plurality of cartridge type magnetic tapes and for loading and unloading the cartridge type magnetic tapes to and from a magnetic tape device, the cartridge magazines being provided at both ends. The rotation shaft is rotatably supported by the top plate and the bottom plate of the cartridge magazine, and the rotation shaft protruding from the bottom plate rotates in association with the pushing and releasing of the pushing force of the cartridge magazine by its own weight. By doing so, the cartridge magazine is provided with a fourth drop-out preventing means for releasing and fixing the cartridge type magnetic tape. 4. A cartridge magazine mounted in an automatic cartridge exchange mechanism for accommodating a plurality of cartridge type magnetic tapes and for loading and unloading the cartridge type magnetic tapes to and from a magnetic tape device, the cartridge magazine comprising: A plurality of partition plates that are arranged at desired intervals and can be tilted in the insertion / removal direction of the cartridge type magnetic tape to be placed, and the plurality of partition plates do not restrain the tilting operation of the partition plates. A fifth fall-off preventing means including a drive piece which is fitted to the cartridge magazine, one end of which protrudes to the bottom of the cartridge magazine and which moves up and down in association with the placing and lifting operations of the cartridge magazine with respect to a desired placement surface. When the cartridge magazine is placed on a desired flat surface, the plurality of partition plates are made horizontal and the cartridge type Enables insertion and removal of magnetic tape,
A cartridge magazine, wherein the partition plate is inclined to fix the cartridge type magnetic tape when the cartridge magazine is lifted.