JP2001023270A - Cassette transfer device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cassette transfer device capable of transferring different sized large and small cassettes with the same shelf without generating positional deviations of the cassettes when the cassettes are transferred. SOLUTION: When large sized cassettes 11 or small sized cassettes 12 are in the process of transfer, the large sized cassettes 11 or small sized cassette 12 are respectively abutted on a first control means 16 and a second control means 17 by tilting a transfer frame 10. Thus, the transfer device wherein deviations of the cassettes are not generated in the process of transfer is realized without preparing any special control member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cart machine having a first robot capable of inserting and removing a cassette from a magnetic recording / reproducing apparatus, and an archiving apparatus having a second robot for moving a cassette on a cassette storage shelf to a predetermined position. And a cassette transfer device for moving a cassette between the two.

[0002]

2. Description of the Related Art A conventional cassette transfer device is provided with a cassette pop-out preventing member and the like so that the cassette does not jump out of the transfer device due to vibration or the like when the cassette is transferred between a cart machine device and an archive device. Was. FIG.
4, a conventional example will be briefly described with reference to FIG. 15. A cassette transfer device 50 is provided with a jump-out preventing member 51. When a cassette 53 is to be inserted into and removed from a cassette shelf 52, the cassette 53 is inserted as shown by a solid line. The cassette 53 moves to a position where the cassette 53 does not protrude from the cassette shelf 52 during movement between the cart machine device (not shown) and the archive device (not shown).

[0003]

However, the conventional cassette transfer device 50 has the following problems.

First, a driving mechanism (not shown) becomes very complicated because the projecting members 51 of the same shape are symmetrically moved from the left and right sides of the cassette 53.

[0005] Secondly, the cassette 5 may be displaced due to variations in the left and right protrusion prevention members 51 or variations in the stop position.
3 is likely to be shifted from the predetermined position.

Third, when transferring cassettes 53 having different shapes, the cassette shelves 52 must be formed in a shape corresponding to each of the cassettes 53, and the usability is very poor.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above three problems and to provide a cassette transfer device which can transfer cassettes of different shapes with a simple configuration and little variation in cassette position on the same cassette shelf. .

[0008]

To achieve this object, a cassette transfer device according to the present invention comprises a first holding portion for holding a large cassette and a position which does not hinder the operation of inserting the large cassette into the first holding portion. A cassette shelf having a second holding portion for holding a small cassette smaller than the large cassette, and a first cassette capable of restricting the movement of the large cassette by contacting one side of the large cassette stored in the cassette shelf. A restricting means which is located at a position which does not hinder the operation of inserting the large cassette into the first holding portion, and which is capable of restricting the movement of the small cassette by contacting one side of the small cassette stored in the cassette shelf; Means, a first position where the first robot or the second robot can put a large cassette or a small cassette into and out of the cassette shelf, and a large cassette stored in the cassette shelf. The one side of the large cassette abuts the first regulating means due to the gravity of the cassette, and the second cassette moves to the second position where the one side of the small cassette abuts the second regulating means due to the gravity of the small cassette stored in the cassette shelf. It comprises a movable frame that can be moved and a first drive unit that moves the movable frame to the first position or the second position.

With this configuration, it is possible to transfer either a large cassette or a small cassette. In addition, by moving the moving frame to the second position during the transfer, the cassette comes out because the gravity of each cassette comes into contact with the regulating means. In addition, the displacement can be reliably prevented.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION
A cassette shelf for accommodating the cassette at a predetermined position, a regulating means capable of regulating the movement of the cassette by contacting one side of the cassette accommodated in the cassette shelf, and a first position at which the cassette can be taken in and out of the cassette shelf. A moving frame capable of moving a second position where one side of the cassette abuts on the regulating means due to gravity of the cassette stored in the cassette shelf, and a first driving means for moving the moving frame to the first position or the second position; A moving base on which the moving base and the first driving means are mounted, a second driving means for moving the moving base to the cart machine device or the archive device, and a moving frame when the moving base is in the cart machine device or the archive device. Control means for controlling to take one position, and controlling to take to the second position while moving between the cart machine device and the archive device. , And the the cassette transport cassette contacts the regulator means by gravity of the cassette can be prevented from jumping out of the cassette.

According to a second aspect of the present invention, a first holding portion for holding a large cassette and a small cassette smaller than the large cassette at a position which does not hinder the operation of inserting the large cassette into the first holding portion. A cassette shelf including a second holding portion; first regulating means capable of restricting movement of the large cassette by contacting one side of the large cassette stored in the cassette shelf; and inserting the large cassette into the first holding portion. Second restricting means that can restrict the movement of the small cassette by contacting one side of the small cassette stored in the cassette shelf, and the large cassette or small cassette can be put in and out of the cassette shelf Due to the gravity of the large cassette accommodated in the first position and the cassette shelf, one side of the large cassette abuts the first restricting means and is accommodated in the cassette shelf. A moving frame capable of moving a second position where one side surface of the small cassette abuts on the second regulating means due to the gravity of the small cassette, and a first driving means for moving the moving frame to the first position or the second position; A moving base on which the moving base and the first driving means are mounted; a second driving means for moving the moving base to the cart machine device or the archive device; and a moving frame when the moving base is in the cart machine device or the archive device. Control to take one position and the second while moving between the cart machine device and the archive device.
Control means for controlling the position of the cassette, not only can transfer both the large cassette and the small cassette, but also during the cassette transfer, the cassette abuts against the regulating means due to the gravity of each cassette, Jumping out can be prevented.

According to a third aspect of the present invention, there is provided a cassette cassette for accommodating a large cassette and a small cassette at predetermined positions, and a large cassette by contacting one side of the large cassette or the small cassette accommodated in the cassette shelf. Or, a regulating means capable of regulating the movement of the small cassette, and a direction substantially perpendicular to the insertion direction by being fitted in a groove provided in the small cassette at a position which does not hinder the operation of inserting the large cassette and the small cassette into the cassette shelf. Guide means for preventing the small cassette from moving at the first position, a first position at which the large cassette or small cassette can be taken in and out of the cassette shelf, and a first position contacting the control means by gravity of the large cassette or small cassette stored in the cassette shelf. 2
A moving frame capable of moving the moving frame, a first driving unit for moving the moving frame to the first position or the second position, a moving base on which the moving frame and the first driving unit are mounted, and a cart machine device or A second driving means for moving to the archive device, and controlling the moving frame to take the first position when the moving base is in the cart machine device or the archive device, and a second drive means for moving between the cart machine device and the archive device. And a control means for controlling to take two positions. In addition to being able to transfer both a large cassette and a small cassette with a simpler structure than the second invention, each cassette can be transferred during the transfer of the cassette. Due to the gravity of the cassette, the cassette comes into contact with the regulating means, so that the cassette can be prevented from jumping out. (Embodiment 1) FIG. 1 shows a cassette transfer device 1 of the present invention.
Front view of the cart machine device 2 and the archive device 3;
2 is a front view of the cassette transfer device 1, FIG. 3 is a perspective view of the cassette shelf 13, FIG. 5 is a side view when the cassette transfer device 1 is at the first position, and FIG. FIG. FIG. 4 is a block diagram for explaining the configuration of a main part of the cassette transfer device 1, and FIG. 7 is a bottom view of the large cassette 11 and the small cassette 12.

First, the overall configuration will be described. A magnetic recording / reproducing device 4 is mounted on the cart machine device 2, and a plurality of cassettes 6 are stored in an upper storage shelf 5. The first robot 7 selects an arbitrary one of the cassettes 6 and inserts the cassette 6 into the magnetic recording / reproducing device 4 or inserts the cassette 6 discharged from the magnetic recording / reproducing device 4 into an optional storage shelf 5.
Can be returned to

On the other hand, a large number of cassettes 6 are stored in a storage shelf 8 of the archive device 3, and an arbitrary cassette 6 can be inserted into the cassette transfer device 1 by the second robot 9 or a cassette in the cassette transfer device 1. 6 can be returned to any storage shelf 8.

The cassette transfer device 1 includes a moving frame 10 described later.
1 can be moved in the direction of arrow A in FIG. 1 by the second drive means 29, and the position where the first robot 7 of the cart machine device 2 can attach and detach the cassette 6 (two-dot chain line) and the archive device 3
The second robot 9 moves between the position (solid line) where the cassette 6 can be attached and detached.

Next, the configuration of the cassette transfer device 1 will be described with reference to FIGS. FIG. 7 shows a cassette that can be transferred in the cassette transfer device 1. The large cassette 11 has two side surfaces 11a, a front surface 11b, and a bottom surface 11c, and can be inserted into and removed from the cassette transfer device 1 (in the direction of arrow B) and the magnetic recording / reproducing device 4 from the front surface 11b. The small cassette 12 is smaller than the large cassette 11 and has the same magnetic tape (not shown) as the large cassette 11, and can be inserted into and removed from the magnetic recording / reproducing device 4 and the cassette transfer device 1.

Both the large cassette 11 and the small cassette 12 have grooves 11 at predetermined positions on the bottom surfaces 11c and 12c, respectively.
d and 12d are provided. In the following description, when describing common or similar things between the large cassette 11 and the small cassette 12, it is simply expressed as the cassette 6, and when describing what is unique to the large cassette 11 and the small cassette 12, Large cassette 11, Small cassette 1
Let's express it as 2.

The cassette shelf 13 includes a first holding portion 14 for holding the side surface 11a of the large cassette 11 and a small cassette 12
A second holding portion 15 for holding the side surface 12a of the second member is provided. Since the second holding portion 15 is provided below the surface on which the bottom surface 11c of the large cassette 11 rests, it does not hinder the insertion and removal of the large cassette 11.

The first restricting means 16 is provided at a position in contact with the front surface 11b of the large cassette 11, and the second restricting means 17 contacts the front surface 12b of the small cassette 12 at a position which does not hinder the insertion and removal of the large cassette 11. It is provided at the position where it touches.

Five cassette shelves 13 are provided on the moving frame 10 at predetermined intervals. The moving frame 10 has a left rotating shaft 1
8, a right rotation shaft 19 is provided, and a large pulley 20 is attached to the right rotation shaft 19. On the other hand, the moving base 21 is provided with a left bearing 22, a right bearing 23, and a first driving means 24. The first driving means 24 has a small pulley 25
The driving force of the first driving means 24 is transmitted to the large pulley 20 by the belt 26, and the moving frame 10 can be rotated.

Next, the operation will be described mainly with reference to FIGS. 4, 5 and 6. The operation of transferring the cassette 6 from the archive device 3 to the cart machine device 2 will be described. Mobile base 21
Is stopped at a predetermined position of the archive device 3,
The second robot 9 is in the first position as shown in FIG. 5 where the cassette 6 can be inserted into and removed from the cassette shelf 13. That is, the cassettes 6 stored in the cassette shelves 13 are kept substantially horizontal like the cassettes 6 stored in the storage shelves 8 of the archive device 3.

Next, the large cassette 11 is inserted into the cassette shelf 13.
First, the operation of inserting the information into the. Second robot 9
5 chucks the large cassette 11 on the storage shelf 8, moves to a predetermined position where the cassette transfer device 1 is stopped, and holds the side surface 11 a of the large cassette 11 in the direction indicated by the arrow C in FIG. From the front 11 of the large cassette 11
b until it contacts the first regulating means 16. Since the second holding portion 15 and the second restricting means 17 are provided at positions that do not hinder the insertion of the large cassette 11,
Is accurately inserted into a predetermined position of the cassette shelf 13.

Further, the small cassette 12 is inserted into the cassette shelf 13.
In order to hold the side surface 12a of the small cassette 12 in the second holding portion 15, the small cassette 12 is inserted from the direction of arrow C in FIG. First holding part 14, first regulating means 16
2 and 5, since the small cassette 12 is provided at a position where the insertion of the small cassette 12 is not hindered, the small cassette 12 is also accurately inserted into a predetermined position of the cassette shelf 13.

Next, when the cassette 6 stored in the cassette transfer device 1 is moved from the archive device 3 to the cart machine device 2, the control means 30 rotates the first drive means 24, and the small pulley 25, the belt 26, The moving frame 10 is rotated around the left turning shaft 18 and the right turning shaft 19 via the large pulley 20 to be moved to the second position as shown in FIG. In FIG. 6, since the gravity acting on the cassette 6 acts in the direction of arrow D, even if the cassette 6 is mounted on the cassette shelf 13 in an incomplete state by the first robot 7, the gravity acting on each cassette 6 causes a large size. Cassette 11 is the first
Until it comes into contact with the regulating means 16, the small cassette 12
Moves until it comes into contact with the second regulating means 17, that is, to the regular position.

In the state of the second position shown in FIG.
6, the gravitational force acting on the cassette 6 always acts on the first restricting means 16 and the second restricting means 17, so that the cassette 6 is moved by an arrow due to vibration during the movement. It does not jump in the E direction. When the mobile base 21 reaches a predetermined position of the cart machine device 2,
The control means 30 stops the second drive means 29 and controls the first drive means 24 to move the moving frame 10 from the second position shown in FIG. 6 to the first position shown in FIG.

The first robot 7 of the cart machine device 2 selects an arbitrary cassette 6 from the cassette transfer device 1 and directly inserts the cassette 6 into the magnetic recording / reproducing device 4 or inserts the cassette 6 into the storage shelf 5 of the cart machine device 2. 6 can be stored. Thus, the cassette 6 of the archive device 3
Can be moved to the cart machine device 2.

The operation of moving the cassette from the cart machine device 2 to the archive device 3 is substantially the same as the operation of moving the cassette from the archive device 3 to the cart machine device 2, and a description thereof will be omitted. As described above, according to the first embodiment, the large cassette 11 and the small cassette 12 can be stored in the same cassette shelf 13 with a very simple configuration, and the cassette 6 does not pop out during movement. . (Embodiment 2) Embodiment 2 will be described with reference to FIGS.
Will be described. The second embodiment has a simpler structure in which both the large cassette 11 and the small cassette 12 are held on the same cassette shelf 31 and the cassette 6 does not jump out during movement and does not shift. It is.

The cassette shelf 31 is provided with a holding portion 32 for holding the side surface 11a of the large cassette 11, a restricting means 33 for restricting the movement by contacting the front surface 11b of the large cassette 11 and the front surface 12b of the small cassette 12. ing. Further, a guide means 28 which fits into grooves 11d, 12d provided on the bottom surfaces 11c, 12c of the large cassette 11 and the small cassette 12 is also provided. The other configuration is the same as that of the first embodiment, and the description is omitted.

Next, the operation will be described. The operation of transferring the cassette 6 from the archive device 3 to the cart machine device 2 will be described, and the description of the reverse operation will be omitted. Mobile base 21
Is stopped at a predetermined position of the archive device 3,
The second robot 9 is in the first position as shown in FIG. 10 where the cassette 6 can be inserted into and removed from the cassette shelf 31. That is, the cassettes 6 stored in the cassette shelves 31 are kept substantially horizontal like the cassettes 6 stored in the storage shelves 8 of the archive device 3.

The operation of inserting the large cassette 11 into the cassette shelf 31 will be described first. The second robot 9 chucks the large cassette 11 on the storage shelf 8 and moves to a predetermined position where the cassette transfer device 1 is stopped, so that the side surface 11a of the large cassette 11 is held by the holding portion 32 in FIG.
From the arrow C direction until the front surface 11b of the large cassette 11 comes into contact with the regulating means 33. Since the guide means 28 enters the groove 11 d provided on the bottom surface 11 c of the large cassette 11, the insertion of the large cassette 11 is not hindered, and the large cassette 11 is accurately inserted into a predetermined position on the cassette shelf 31.

Further, the small cassette 12 is inserted into the cassette shelf 31.
When inserting the small cassette 1 into the small cassette 1 from the direction of arrow C in FIG. 10, the groove 12 d provided on the bottom surface 12 c of the small cassette 12 is inserted into the guide means 28 of the cassette shelf 31.
2 is inserted until the front surface 12b of the second member comes into contact with the regulating means 33.

Groove 11d provided in large cassette 11
Since the groove 12d provided in the small cassette 12 and the small cassette 12 are substantially at the same position, the state in which the small cassette 11 is inserted into the cassette shelf 31 is as shown in FIG.
A space is created between the side surface 12a and the holding portion 32. However, since the guide means 28 provided on the cassette shelf 31 fits into the groove 12 d of the small cassette 12, it cannot move in a direction substantially perpendicular to the insertion direction of the small cassette 12 (the direction of arrow A).

That is, the small cassette 12 is also the cassette shelf 3
1 will be accurately inserted into the predetermined position. Also,
The positions of the large cassette 11 and the small cassette 12 in the insertion direction are also different as shown in FIG. 10, but the operation of the second robot 9 for mounting the cassette 6 on the cassette shelf 31 is different between the large cassette 11 and the small cassette 12. So there is no problem at all.

Next, when the cassette 6 stored in the cassette transfer device 1 is moved from the archive device 3 to the cart machine device 2, the control means 30 controls the first drive means 24, and the moving frame 10 rotates. It is moved to the second position as shown in FIG. In FIG. 11, since the gravity acting on the cassette 6 acts in the direction of arrow D, even if the cassette 6 is mounted on the cassette shelf 31 in an incomplete state by the second robot 9, the large cassette 11 and the small cassette 12 are restricted by the restricting means. It moves until it comes into contact with 33, that is, to a regular position.

The moving base 21 moves in the state of the second position shown in FIG. 11, but as is clear from FIG. 11, the gravity acting on the cassette 6 always acts on the regulating means 33, so that the cassette 6 Is the arrow E due to vibrations during movement, etc.
It does not jump in any direction. When the moving base reaches the predetermined position of the cart machine device 2, the control means 30
Stopping the driving means 29, controlling the first driving means 24,
The moving frame 10 is moved from the second position shown in FIG. 11 to the first position shown in FIG. The first robot 7 of the cart machine device 2 selects an arbitrary cassette 6 from the cassette transfer device 1 and directly inserts the cassette 6 into the magnetic recording / reproducing device 4 or stores the cassette 6 in the storage shelf 5 of the cart machine device 2. can do.

In this manner, the cassette 6 of the archive device 3 can be moved to the cart machine device 2.
As described above, according to the second embodiment, too, the large cassette 1
1. Both the small cassette 12 and the small cassette 12 can be stored in the same cassette shelf, and the gravity of the cassette works so that the cassette does not pop out during the movement. (Embodiment 3) Embodiment 3 will be described with reference to FIG. In the third embodiment, the cassette shelves can be independently rotated. Cassette shelf 63
Is rotatable about the center of a support shaft 34, and the movable member 35 moves up and down to level the cassette 6 (see FIG. 12).
(A)), the cassette is tilted so that the cassette abuts on the regulating member 36 due to the weight of the cassette 6 (FIG. 12B).

When the cassette transfer device 1 is present in the cart machine device 2 and the archive device 3, the moving member 35 moves upward, as shown in FIG. During movement between the cart machine device 2 and the archive device 3, the moving member 35
Move downward, as shown in FIG. According to this configuration, since the entire moving frame 37 is not moved, not only the power to be moved can be reduced, but also the depth dimension (L) can be reduced. (Embodiment 4) Embodiment 4 will be described with reference to FIG. Embodiment 4 is realized with a simple configuration without using a motor. The moving frame 38 is constantly urged by the spring member 39 to a position as shown in FIG.
That is, the cassette 6 comes into contact with the regulating member 40 due to the gravity of the cassette 6. Also, the cam portion 41
Is movable in the directions of arrows F and G, and a part thereof is in contact with the protrusion 43 of the moving frame 38.

When approaching the predetermined positions of the cart machine device 2 and the archive device 3, a cam member (not shown) provided in the cart machine device 2 and the archive device 3 comes into contact with the cam portion 41 of the operation member 42, 42 is moved in the direction of arrow F to move the moving frame 38 from the state shown in FIG. 13B to the state shown in FIG. Therefore, the first robot 7 in the cart machine device 2 and the second robot 9 in the archive device 3
Can insert and remove the cassette 6 in the cassette transfer device 1.

[0039]

As described above, according to the present invention, since the cassette shelf is rotated, it is difficult for the cassette to jump out of the cassette shelf due to gravity during the movement of the cassette.

According to the present invention, even if the robot does not mount the cassette at the predetermined position, the cassette moves to the predetermined position by gravity, and the robot can more reliably insert and remove the cassette of the cassette transfer device. Become.

Further, according to the present invention, since the cassette shelf is configured such that both the large cassette and the small cassette can be inserted, both the large cassette and the small cassette can be transferred on the same shelf, and the operation efficiency of the entire apparatus is extremely high. It becomes.

[Brief description of the drawings]

FIG. 1 is a front view of a system incorporating a cassette transfer device of the present invention.

FIG. 2 is a front view of the cassette transfer device according to the first embodiment of the present invention.

FIG. 3 is a perspective view of the cassette shelf.

FIG. 4 is a block diagram of the main part.

FIG. 5 is a side view showing a first position of the cassette transfer device.

FIG. 6 is a side view showing a second position of the cassette transfer device.

FIG. 7 is a bottom view of a large cassette and a small cassette.

FIG. 8 is a perspective view of a cassette shelf according to the second embodiment of the present invention.

FIG. 9 is a front view of the cassette transfer device.

FIG. 10 is a side view showing a first position of the cassette transfer device.

FIG. 11 is a side view showing a second position of the cassette transfer device.

FIG. 12 is a side view of the cassette transfer device according to the third embodiment of the present invention.

FIG. 13 is a side view of the cassette transfer device according to the fourth embodiment of the present invention.

FIG. 14 is a plan view of a conventional cassette transfer device.

FIG. 15 is a front view of the same.

[Explanation of symbols]

 Reference Signs List 1 cassette transfer device 2 cart machine device 3 archive device 4 magnetic recording / reproducing device 5 storage shelf 6 cassette 7 first robot 8 storage shelf 9 second robot 10 moving frame 11 large cassette 12 small cassette 13 cassette shelf 14 first holding unit 15 2nd holding part 16 1st regulating means 17 2nd regulating means 18 left rotation axis 19 right rotation axis 20 large pulley 21 moving base 22 left bearing 23 right bearing 24 first driving means 25 small pulley 26 belt 27 regulating means 28 Guide means 29 Second drive means 30 Control means 31 Cassette shelf 32 Holder 35 Moving member 39 Spring member 42 Operating member

Claims (3)

[Claims] 1. A cassette between a cart machine device having a first robot capable of inserting and removing a cassette into and from a magnetic recording / reproducing device and an archive device having a second robot for moving a cassette on a cassette storage shelf to a predetermined position. A cassette transfer device for storing a cassette at a predetermined position; a restricting means capable of restricting the movement of the cassette by contacting one side of the cassette stored in the cassette shelf; A first position at which the first robot or the second robot can take a cassette in and out of the cassette shelf, and a second position at which one side of the cassette abuts the regulating means due to the gravity of the cassette stored in the cassette shelf. A movable frame that can move the movable frame; and a first driving unit that moves the movable frame to the first position or the second position. A moving base on which the moving frame and the first driving means are mounted; a second driving means for moving the moving base to the cart machine device or the archive device; and the moving base is mounted on the cart machine device or the archive device. Control means for controlling the moving frame to take the first position when there is, and controlling to take the second position while moving between the cart machine device and the archive device. Cassette transfer device. 2. A cassette between a cart machine device having a first robot capable of inserting and removing a cassette into and from a magnetic recording / reproducing device, and an archive device having a second robot for moving a cassette on a cassette storage shelf to a predetermined position. A first holding unit that holds a large cassette, and a small cassette that is smaller than the large cassette and is located at a position that does not hinder the operation of inserting the large cassette into the first holding unit. A cassette shelf having a second holding portion, a first regulating means capable of regulating the movement of the large cassette by contacting one side of the large cassette stored in the cassette shelf; It is located at a position where it does not hinder the operation of insertion into the first holding portion, and is brought into contact with one side surface of a small cassette stored in the cassette shelf. A second restricting means capable of restricting the movement of the small cassette; a first position at which the first robot or the second robot can put a large cassette or a small cassette into and out of the cassette shelf; Due to the gravity of the large cassette,
A movable frame that abuts the regulating means and is movable by a gravity of the small cassette stored in the cassette shelf to a second position where one side surface of the small cassette abuts the second regulating means; A first driving means for moving the first position or the second position, a moving base on which the moving frame and the first driving means are mounted, and a first moving means for moving the moving base to the cart machine device or the archive device. 2 driving means, when the moving base is in the cart machine device or the archive device, controls the moving frame to take the first position, and during movement between the cart machine device and the archive device, Control means for controlling to take the second position. 3. A cassette between a cart machine device having a first robot capable of inserting and removing a cassette into and from a magnetic recording / reproducing device, and an archive device having a second robot for moving a cassette on a cassette storage shelf to a predetermined position. A cassette shelf for storing a large cassette and a small cassette smaller than the large cassette at a predetermined position; and abutting one side of the large cassette or the small cassette stored in the cassette shelf. Regulating means capable of regulating the movement of the large cassette or the small cassette; and a position which does not hinder the operation of inserting the large cassette and the small cassette into the cassette shelf, and which fits into a groove provided in the small cassette. The cassette is moved in a direction substantially perpendicular to the insertion direction. Guide means for preventing movement of the cassette, a first position at which the first robot or the second robot can put a large cassette or a small cassette into and out of the cassette shelf, and a large cassette or a small cassette stored in the cassette shelf. A moving frame capable of moving a second position abutting on the regulating means by gravity; a first driving means for moving the moving frame to the first position or the second position; a moving frame and the first drive A moving base on which the moving base is mounted; a second driving means for moving the moving base to the cart machine device or the archive device; and a moving frame when the moving base is in the cart machine device or the archive device. Controlling to take a first position, the second position while moving between the cart machine device and the archiving device; Cassette transfer apparatus characterized by a control means for controlling to take.