JP2000040324A - Disk cartridge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To protect housed plural disks from dust, etc. SOLUTION: Erected walls 4e are provided at one each side of plural disk trays 4, which are housed in a main body 2 of the cartridge, of the sides pulling out from the cartridge main body 2. An opening part 5 of the cartridge main body 2 is closed in such a manner that the erected walls 4e of the respective disk trays 4 are laid over each other in the state the disk trays 4 are housed in the cartridge main body 2. In the state the disk trays 4 are taken out from a disk drive device 20, the disk trays 4 are fixed by a lock member 7 to the state where it is housed in the cartridge main body 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk drive apparatus which rotatably stores a plurality of disk-shaped recording media and records and / or reproduces information signals and the like on and from a predetermined disk-shaped recording medium. The present invention relates to a disk cartridge device which is detachably used.

[0002]

2. Description of the Related Art A disk cartridge device has a disk-shaped recording medium (hereinafter, referred to as a disk) such as an optical disk or a magneto-optical disk in which information signals and the like are recorded and / or reproduced (hereinafter, referred to as recording / reproduction) in an internal space. ) Is rotatably housed and used detachably with respect to the disk drive device.

In a disk cartridge device, by using a disk drive device as an external storage device for an information processing device such as a computer, the portability of information signals and the like recorded on a disk is improved, and the disk cartridge device is substantially used as an external storage device. Storage capacity can be increased.

Conventional disk cartridge device 100
Is, as shown in FIG. 17 and FIG.
, A cartridge body 102 rotatably storing the disk 101, and a shutter mechanism 103.

[0005] As shown in FIG.
A disk substrate 104 which is a disk-shaped magneto-optical recording medium;
The center hub 105 is made of metal. The center hub 105 is attached to the disk substrate 104 with an adhesive or the like.
It is installed with the central axis aligned. Disk 10
In 1, an information signal is recorded / reproduced while the drive mechanism of the disk drive device is attracted and fixed (chucking) to the center hub 105 and is rotationally driven in the circumferential direction.

The cartridge body 102 is constructed by combining an upper half and a lower half of a substantially rectangular shallow dish (not shown), and a disk 101 is rotatably housed in its internal space. The cartridge main body 102 has one main surface 102.
A drive opening 106 through which the rotary drive mechanism of the disk drive device enters is opened in FIG.
A recording / reproducing opening 107 through which a recording / reproducing mechanism of the disk drive device enters is opened in the second main surface 102a and the other main surface 102b. The cartridge body 10
2, the main surface 102b of the disk cartridge device 10
0 is formed with an arrow-shaped concave portion 108 indicating the mounting direction to the disk drive device.

The shutter mechanism 103 is shown in FIGS.
As shown in FIG. 3, the shutter member 108 is formed in a substantially U-shape by a metal material or the like, and the lock member 109 holds the shutter member in a closed state.

The shutter member 108 includes a pair of shutter portions 108a and 108b having a size enough to close the recording / reproducing opening 107 formed in the main surfaces 102a and 102b of the cartridge main body. It is formed in a substantially U-shape connected by a connecting portion 108c sliding on the side. In addition, the shutter member 108 includes
Engaging piece 1 integrally formed extending from connecting portion 108c
08d. The shutter member 108 is disposed on the cartridge main body 102 so as to slide along the main surfaces 102a and 102b of the cartridge main body to open and close the recording / reproducing opening 107.

The lock member 109 is provided in the cartridge body 1.
02, and an engaging portion 109a that engages with an engaging piece 108d of the shutter member 108;
And a biasing portion 109b that biases 09a in a direction of engaging with the engagement piece 108d.

The engaging portion 109a is disposed so that a part thereof projects from a lock member hole (not shown) formed on one side of the cartridge body 102 in which the connecting portion 108c of the shutter member 108 slides. . The engagement portion 109a
By projecting from the lock member hole and engaging with the engagement piece 108d of the shutter member 108, the shutter member 10
Reference numeral 8 has a function of holding the recording / reproducing opening 107 closed. One end of the urging portion 109b is abutted on the inside of the cartridge body 102 so as to be elastically displaceable.
By this elastic force, the engaging portion 109a is engaged with the engaging piece 108d.
Is urged in the direction to be engaged.

In the disk cartridge device 100 configured as described above, the shutter member 108 is opened and closed by the operation projection 111 of the shutter operation member 110 of the disk drive device as shown in FIG.

The disk cartridge device 100 has the structure shown in FIG.
7, when the cartridge is mounted on the disk drive device in the direction indicated by the arrow N, the operating protrusion 111 causes the engaging portion 109a of the lock member 109 to move into the cartridge main body 10.
2 is pushed inside. When the urging portion 109b is elastically displaced, the lock member 109 is released from the engagement between the engagement portion 109a and the engagement piece 108d of the shutter member 108, and the shutter member 108 can be moved.

As the disk cartridge device 100 is completely mounted in the disk drive device, the operation protrusion 11 moves in the direction indicated by the arrow O in FIG.
1, the shutter member 108 is moved and the recording / reproducing opening 107 is opened.

On the other hand, a so-called magazine-type disk cartridge device is known in which a plurality of disk trays are provided in a cartridge so as to be able to be pulled out, and disks are stored in the respective disk trays. A magazine-type disk cartridge device is used, for example, for a compact disk (CD) changer for a vehicle and the like, and a predetermined disk tray is pulled out of the cartridge by a disk tray operating mechanism of a disk drive device, so that a plurality of disks are formed. It is possible to record and reproduce information signals on a disk.

Further, as shown in FIGS. 21 and 22, a conventional magazine type disk cartridge device 120 has a structure as shown in FIG.
The cartridge body 121 and the cartridge body 12
A disc tray 122 accommodates a plurality of discs (not shown) and rotatably mounts the discs.
The disk cartridge device 120 is detachably used in a disk drive device 123 as shown in FIG. 23, and is mounted on the disk drive device 123 in a direction indicated by an arrow P in FIG.

The cartridge main body 121 has a substantially rectangular box shape, and has a disc tray 12 in its internal space.
2 are stored. The cartridge main body 121 has one side surface 121 a on one side surface 1 a of the disc tray 122.
It has an opening 124 that exposes 22a to the outside. The cartridge body 121 is provided at a predetermined position in its internal space with a guide portion 1 for guiding insertion and removal of the disc tray 122.
25 are provided. The cartridge body 121
Is one side surface 12 opposite to the opening 124 in its internal space.
A leaf spring 126 is provided at the corner portion 1b.

The leaf spring 126 is locked by a locking portion 129 of the disk tray 122 which will be described later, and holds each disk tray 122 in a state housed in the cartridge main body 121. Further, the leaf spring 126 is connected to the disc tray 12.
A plurality of disc trays 122 are provided at positions corresponding to the locking portions 129 of the respective stored disc trays 122 so as to hold the other disc trays 122 in a stored state when each of the disc trays 2 is inserted and removed.

The disk tray 122 has a substantially rectangular flat plate shape, and is housed in the cartridge body 121 in a state where a plurality of the disks are stacked. The disc tray 122
With the disk cartridge device 120 mounted on the disk drive device 123, the cartridge body 121
Are used by being inserted into and removed from the opening 124 of each of them. In the description below, the side of the disk tray 122 that starts to be pulled out from the cartridge main body 121 is referred to as the leading end side.

The disc tray 122 has a concave portion 122b for mounting a disc (not shown), an opening 127 for allowing the disc to face a recording / reproducing mechanism of the disc drive device 123, and insertion / removal from the cartridge body 121. Arm 128 and a locking portion 129 that is engaged with the leaf spring 126 of the cartridge main body 121 are formed.

The recess 122b is located on the main surface of the disk tray 122 and is formed in a circular shape with a diameter slightly larger than the diameter of the disk and a depth substantially equal to the thickness of the disk.
The disk is mounted rotatably.

The opening 127 is formed in a recess 122 b formed in the disc tray 122. Opening 127
Is a drive opening 130 that opens near the center of the disk.
And the disk tray 122 from the drive opening 130.
And a recording / reproducing opening 131 which is continuously provided toward the front end of the recording medium and which is largely opened.

The arm 128 is formed at a corner on the tip side of the disc tray 122. Arm 128
Has a function in which the insertion / removal arm 132 of the disk tray operation mechanism of the disk drive device 123 is engaged and the disk tray 122 is inserted / removed.

The locking portion 129 is formed at a corner on the rear end side of the disc tray 122. Locking part 129
The plate spring 126 of the cartridge main body 121 is locked, and the disk tray 122 is held in a state housed in the cartridge main body 121 by the elastic force of the plate spring 126.

The disk cartridge device 120 configured as described above is used by being mounted on a disk drive device 123 as shown in FIG. The disk drive device 123 includes a shutter 133. The shutter 133 is opened and the disk cartridge device 12 is opened.
When the disk cartridge device 120 is not mounted and the disk cartridge device 120 is not attached or detached, the shutter 13 is closed.

The disk cartridge device 120 is operated as described below when a recording / reproducing operation of an information signal or the like is performed on a stored disk in a state where the disk cartridge device 120 is mounted on the disk drive device 123.

In the disk cartridge device 120, an insertion / removal arm 132 of a disk drive device 123 is engaged with an arm 128 of a specific disk tray 122. The disc cartridge device 120 is indicated by an arrow Q in FIG.
As shown by, the disk tray 122 is pulled out toward the distal end by the insertion / removal arm 132, and the plate spring 126 of the cartridge body 122 locked by the locking portion 129 is released from the locked state. Disc tray 122
Is pulled out from the cartridge body 121 to a position where the drive opening 130 is completely exposed outward.

In the disk cartridge device 120, a rotation drive mechanism (not shown) of the disk drive device 123 enters the drive opening 130 of the disk tray 122 pulled out, and rotates the disk (not shown) placed on the disk tray 122. Driven. In the disk cartridge device 120, a recording / reproducing mechanism (not shown) of the disk drive device 123 enters through the recording / reproducing opening 131 of the disk tray 122, and records and reproduces information signals and the like on the rotationally driven disk.

[0028]

As described above, the disk cartridge device 120 includes the cartridge main body 12.
Since a plurality of disks are stored in the storage unit 1, the storage capacity is the same as the number of stored disks.

Therefore, the disk cartridge device 1
20 is used not only for the in-vehicle CD changer as described above, but also as a so-called removable disk device for an external recording device of an information processing device, for example, so that a large storage capacity corresponding to the number of stored disks can be obtained. It can be proposed to use it as a large-capacity removable disk device.

In this manner, the disk cartridge device 120 can improve the storage capacity, which is a recent problem of the removable disk device, by increasing the recording density of the disk or by using a laser beam used for the disk. This can be achieved by increasing the number of disks to be stored, without requiring technically innovative improvements such as shortening the wavelength.

However, the disk cartridge device 12
Reference numeral 0 indicates that the disc tray 122 is held in a state housed in the cartridge main body 121 by the urging force of the leaf spring 126 as described above, and does not include the lock mechanism provided in the disc cartridge device 100.

Therefore, the disk cartridge device 12
0 indicates that the disk tray 122 is unintentionally pulled out when the disk tray 122 is taken out of the disk drive device 123 and the disk tray 122 is dropped and receives an impact.
There is a problem that the stored disk is damaged.

The disk cartridge device 120
The opening 124 of the cartridge main body 121 remains open and does not include a shutter mechanism that closes the lid as in the disk cartridge device 100.

Therefore, the disk cartridge device 12
In the case of No. 0, when taken out of the disk drive device 123, dust and the like from the outside adhere to the stored disk. In the disk cartridge device 120, since the stored disk has a high-density and high-precision information signal recorded thereon, dust, dirt, scratches, etc. adhere to the surface of the disk, thereby allowing accurate recording and reproduction of the information signal and the like. There is a problem that can not be performed.

Therefore, the disk cartridge device 1
No. 20 is not suitable for storage in a state in which the disk is stored, and when used as a removable disk device, the reliability of the recording / reproducing performance of the information signal recorded on the stored disk is lacking.

Accordingly, the present invention relates to a disk cartridge device in which a plurality of disks are stored, wherein each disk is protected from dust and the like so that a large amount of information signals and the like can be stored with high reliability. The purpose is to provide.

[0037]

In order to solve the above-mentioned problems, a disk cartridge device according to the present invention is provided.
A lid is provided to open and close the opening of the cartridge body from which the disk tray is pulled out, so that dust and the like can be prevented from entering from the opening when the cartridge is removed from the disk drive.

Further, the disk cartridge device according to the present invention is provided with a tray lock mechanism for holding each disk tray in a state of being housed in the cartridge body when the disk cartridge is removed from the disk drive device.

According to the disk cartridge device of the present invention configured as described above, each of the stored disks is protected from dust and the like, so that a large amount of information signals and the like can be stored with high reliability.

[0040]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIGS. 1, 2 and 3, a disk cartridge device 1 according to an embodiment has a cartridge body 2 and a plurality of disks housed in the cartridge body 2 and on which the disks 3 are rotatably mounted. And a tray 4.

The disk cartridge device 1 is detachably used in a disk drive device 20 to be described later.
Is mounted on the disk drive device 20 in the direction indicated by arrow A. In the following description of the disk cartridge device 1, the side initially mounted on the disk drive device 20 will be referred to as the front end side, and the side on which the disk 3 is placed on the disk tray 4 will be referred to as the upper surface side. I do.

The cartridge body 2 is formed in a substantially rectangular box shape by a resin material such as ABS resin, and a plurality of disk trays 4 are housed in the internal space so as to be able to be pulled out from the cartridge body 2. The cartridge body 2
On the right side thereof, there is an opening 5 for making one side of the disc tray 4 face outward. In the cartridge body 2,
Urging means 6 which is located at the left rear end corner 2a of the internal space and holds the disc tray 4 in a housed state;
And a lock lever 7 which is located at the left end corner 2b and fixes the disc tray 4 in a housed state.

The cartridge main body 2 has a main surface 2 on the upper surface side.
c, an arrow-shaped recess 8 indicating the mounting direction to the disk drive device 20, a label 9 for writing recorded information and the like, and a non-slip when mounted to the disk drive device 20. Irregularities 10 are provided.

The cartridge body 2 has one side 2 on the rear end side.
At label d, a label 11 similar to label 9 for writing on recorded information and the like is provided.

The cartridge body 2 has a main surface 2 on the lower surface side.
e, the unevenness 12 as a non-slip similar to the unevenness 11, a guide groove 13 serving as a guide when the disk drive device 20 is mounted, and positioning of the disk drive device 20 with respect to the disk cartridge device 1. Positioning hole 14 is provided.

The cartridge body 2 has an L-shaped lock lever hole 15 which is located on the main surface 2e on the lower surface side of the corner portion 2b on the left end side and which extends on one side 2f on the front end side. . The lock lever hole 15 has an unlocking portion 7b described later of the lock lever 7 abutted from the inside, and a lock release projection 23 described later of the disk drive device 20 faces the unlocking portion 7b.

The cartridge main body 2 has a main surface 2 on the upper surface side.
c and the main surface 2e on the lower surface side, the disc tray 4
Are provided with a pair of L-shaped notches 16 corresponding to the notches 4f described later. In order to pull out the disc tray 4, a not-shown drawer arm 23 of the disc drive device 20 described later is inserted into the notch 16.

The urging means 6 is formed in a substantially comb shape by an elastic material such as a metal leaf spring as shown in FIG.
The urging means 6 includes a substantially rectangular installation portion 6a and a plurality of urging portions 6b provided in a comb-like shape from the installation portion 6a. The installation part 6a is attached to the corner part 2a on the right rear end side of the cartridge body 2.

The urging portions 6b are formed in a comb-teeth shape so as to be respectively engaged with the notching portions 4c for urging means, which will be described later, of the plurality of disk trays 4 stored in the cartridge body 2 in a stacked state. There are provided a plurality of them, each having a shape corresponding to the notching portion 4c for the urging means. The urging portion 6b urges the disc trays 4 so as to hold the disc trays 4 in a stored state. Therefore, even when a predetermined disc tray 4 is pulled out from the cartridge body 2, the other disc trays 4
Is held in the housed state.

As shown in FIGS. 5 and 6, the lock lever 7 has a rotating portion 7a serving as a center of rotation, and a release portion 7b facing the lock lever hole 15 of the cartridge body 2.
And a lock portion 7c for locking the disk tray 4 in a state housed in the cartridge body 2.
The lock lever 7 is urged in a direction in which the disc tray 4 is fixed by urging means (not shown) such as a coil spring.

The rotating portion 7a is installed so as to be rotatable by fitting into a convex portion (not shown) of the cartridge body 2,
A release portion 7b is formed integrally with one end, and a lock portion 7c is formed integrally with the other end.

The release portion 7b is substantially L-shaped and abuts on the lock lever hole 15 of the cartridge body. As shown by arrow B in FIG. 6, when the unlocking protrusion 23 of the disk drive device 20 enters and engages with the lock lever hole 15 as shown by arrow B in FIG. As shown, the lock lever 7 is rotated.

The lock portion 7c is formed to be elongated in the height direction inside the cartridge body 2 in order to fix the disk trays 4 housed in the cartridge body 2 in a stacked state at once. As shown in FIG. 5, the lock portion 7c is engaged with a lock lever cutout portion 4d of the disk tray 4 described later, and fixes each disk tray 4 in a state of being stored in the cartridge body 2. The lock part 7c
Disk cartridge device 1 is disk drive device 2
6, when the lock lever 7 rotates, as shown by the arrow C in FIG. 6, the lock lever 7 is retracted from the lock lever notch 4 d of each disk tray 4, and each disk tray 4 is Release it so that it can be freely pulled out from.

That is, when the disk cartridge device 1 is mounted on the disk drive device 20, the lock lever 7 releases its fixed state so that each disk tray 4 can be pulled out from the cartridge body 2. When the disk cartridge device 1 is removed from the disk drive device 20, the lock lever 7 locks the disk trays 4 in a housed state. Is prevented from being pulled out.

As shown in FIGS. 7 and 8, the disc tray 4 is formed of a resin material such as an ABS resin into a substantially flat plate shape, and is stored in the cartridge body 2 in a state where a plurality of discs are stacked. The disc tray 4 is pulled out of the cartridge main body 2 in the direction indicated by the arrow D in FIG. 7 when the disc cartridge device 1 is mounted on the disc drive device 20 and information signals are recorded and reproduced on the disc 3. . In the following description, the side that is first pulled out from the cartridge main body 2 is referred to as the leading end side of the disc tray 4.

The disc tray 4 has a main surface 4a on which the disc 3 is placed, and a recess 4b having substantially the same diameter as the disc 3 is formed. The disc 3 is placed in the recess 4b.
The disk tray 4 has a circular drive opening 17 at a position corresponding to the center hub 3a formed at the center of the loaded disk 3, and is connected to the drive opening 17. Recording / reproducing opening 18 extending to the front end side
Is open.

The disc tray 4 is located at both rear end side corners corresponding to the urging means 6 and the lock lever 7 of the cartridge body 2 and respectively has the urging means notches 4c.
And a lock lever notch 4d.

The notch 4c for the urging means is cut into a shape corresponding to the urging part 6b of the urging means 6, and
b is urged and locked so that each disc tray 4
Is stored in the cartridge body 2.

The lock lever notch 4d is cut into a shape corresponding to the lock 7c of the lock lever 7, and the lock 7c is engaged when the disk cartridge device 1 is removed from the disk drive 20. By stopping, each disk tray 4 is fixed in a state of being stored in the cartridge main body 2.

One end of the disc tray 4 is integrally raised from the flat main surface 4a to form an upright wall 4e. The upright wall 4e has a pair of L-shaped notches 4f similar to the notch 16 of the cartridge body 2. The drawer arm 23 of the disk drive device 20 is inserted and fitted into the notch 4f,
Each disk tray 4 is pulled out from the cartridge body 2.

The disc tray 4 has a main surface 4a.
Is located on the back surface 4g on the opposite side to the rib 4h having a predetermined length.
Are formed as a pair.

That is, as shown in FIG. 9, the disc tray 4 is housed in the cartridge body 2 in a state where a plurality of discs are stacked. The disc tray 4 closes the opening 5 of the cartridge body 2 because the standing walls 4e overlap with each other in the stored state. Disc tray 4
When the predetermined one sheet is pulled out, the rib 4h is abutted against the upright wall 4e of the other disk tray 4 stored on the lower surface side of the predetermined one sheet, so that it cannot be pulled out any more. Have been.

The disk cartridge device 1 configured as described above is used by being mounted on a disk drive device 20 as shown in FIG. Disk drive device 2
0 is a storage unit 2 for storing the disk cartridge device 1
1 and a recording / reproducing base 22 for recording / reproducing information signals and the like on / from the disc 3.

A lock release projection 23 for releasing the lock lever 7 of the disk cartridge device 1 is provided at a predetermined position in the storage section 21.

The recording / reproducing base 22 is vertically movably installed inside the disk drive device 20 as shown by an arrow E in FIG. Recording / reproducing mechanism 25 for recording / reproducing information signals and the like on / from the disc 3
And a pair of pull-out arms 26 for pulling out the disk tray 4 from the cartridge body 2.

When the disk cartridge device 1 is mounted on the disk drive device 20 configured as described above, the disk tray 4 is pulled out as described below, and an information signal or the like is transmitted to the disk 3. Recording and reproduction are performed.

The disk cartridge device 1 is mounted on the disk drive device 20 from the front end side as shown by an arrow F in FIG. When the disk cartridge device 1 is completely mounted, the unlocking projection 23 enters the cartridge body 2 as shown by the arrow B in FIG. 6 and abuts on the unlocking portion 7 b of the lock lever 7. In the disk cartridge device 1, as shown by the arrow C in FIG. 6, the locked state of the stored disk tray 4 is released by the rotation of the lock lever 7.

The disk drive device 20 moves the recording / reproducing base 22 up and down to the position of the disk 3 on which recording / reproducing is performed, and operates the pull-out arm 26 as shown by an arrow G in FIG. Pull out the tray 4 from the cartridge body 2. Disk drive device 20
Pulls out the disc tray 4 to a position where the drive opening 17 is completely pulled out of the cartridge body 2 as shown in FIG.

The disk drive device 20 suction-fixes the rotation drive mechanism 24 to the disk 3 from the drive opening 17 of the predetermined disk tray 4 pulled out, and drives the disk 3 to rotate. The disk drive device 20
The recording / reproducing mechanism 25 is approached from the recording / reproducing opening 18 of the disc tray 4 to rotate the disc 3
Record and reproduce information signals and the like.

When the disk cartridge device 1 is taken out from the disk drive device 20, the disk tray 4 is stored as described below.

After the rotation drive mechanism 24 stops the rotation of the disk 3, the disk drive device 20 retracts the rotation drive mechanism 24 and the recording / reproduction mechanism 25 from the disk tray 4. The disk drive device 20 operates the drawer arm 26 to store the drawn disk tray 4 in the cartridge body 2.

When the disk cartridge device 1 is removed from the disk drive device 20, the unlocking projection 23 is disengaged from the release portion 7b of the lock lever 7, and
The lock portion 7 is rotated by a biasing means (not shown), and is inserted into the lock lever cutout portion 4d of each of the stored disk trays 4.
c is fitted.

As described above, when the disk cartridge device 1 is taken out of the disk drive device 20, the opening 5 of the cartridge body 2 is closed by the overlapping of the upright walls 4e of the disk trays 4. . Therefore, the disk cartridge device 1
This prevents dust and the like from entering the cartridge body 2 through the opening 5 and prevents recording and reproduction failures caused by dust and the like adhering to the stored disk 3.

In the disk cartridge device 1, each of the stored disk trays 4 is fixed by a lock lever 7 when the disk cartridge device 1 is removed from the disk drive device 20. Therefore, even when the disk cartridge device 1 is dropped and subjected to an impact, the disk tray 4 is not unintentionally pulled out, and the disk 3 is prevented from jumping out and being damaged. .

Therefore, the disk cartridge device 1
Can reliably protect each disk 3 from dust and the like in a state in which a plurality of disks 3 are stored, and can be stored for a long time even in a state where it is removed from the disk drive device 20.

Next, another embodiment of the disk cartridge device according to the present invention will be described. As shown in FIGS. 11 and 12, a disk cartridge device 30 according to another embodiment has a cartridge body 31 and a plurality of disks 32 accommodated in the cartridge body 31.
And a disk tray 33 that is rotatably mounted.

Note that the disk cartridge device 30
The only difference from the above-described disk cartridge device 1 is the structure for closing an opening 34 described later. Therefore, in the following description, portions that are the same as or equivalent to those of the disk cartridge device 1 are assigned the same numbers, and descriptions thereof are omitted.

The disk cartridge device 30 is detachably used in a disk drive device (not shown) similar to the disk drive device 20, and is mounted on the disk drive device in a direction indicated by an arrow H in FIG.
In the following description of the disk cartridge device 30, the side initially mounted on the disk drive device will be referred to as the front end side, and the side on which the disk 32 is mounted on the disk tray 33 will be referred to as the upper surface side. .

The cartridge body 31 is formed in a substantially rectangular box shape from a resin material such as ABS resin, and a plurality of disk trays 33 are housed in the internal space so as to be able to be pulled out from the cartridge body 31. The cartridge main body 31 has an opening 34 on the right side thereof from which the disc tray 33 is pulled out.

The cartridge body 31 is provided with a shutter member 35 for opening and closing the opening 34 and a lock member 36 for holding the shutter member 35 in a closed state. The cartridge main body 31 is provided with a guide groove 37 which is located at the front end side of one side surface provided with the opening portion 34 and guides and slides a shutter opening convex portion 41 described later of the disk drive device. I have. In the guide groove 37,
A hole 38 is formed for projecting a later-described first protrusion 36c of the lock member 36.

The shutter member 35 is formed of an elastically deformable material such as a thin metal plate and has a size sufficient to close the opening 34. The shutter member 35 is slidably mounted on the rear end side along a guide groove (not shown) provided inside the cartridge body 31. Shutter member 35
When the opening is opened by sliding the guide groove, the cartridge is housed in the internal space on the rear end side of the cartridge body 31, as shown in FIG.

The shutter member 35 has a projection 39 which is located at the tip end thereof and which is engaged with a shutter opening projection 41 which will be described later of the disk drive device, and a locking member 36.
Locking hole 40 for locking a second convex portion 36d described later.
Are provided.

As shown in FIGS. 13 and 14, the lock member 36 includes a rotating portion 36a serving as a center of rotation, and an arm 36 formed integrally with the rotating portion 36a and extending in one direction.
b and a first projection 36c formed integrally with the arm 36b and projecting from the hole 38 of the cartridge body 31.
And a second convex portion 36d locked in the locking hole 40 of the shutter member 35. Lock member 36
13 is urged by urging means (not shown) such as a coil spring in a direction in which the second convex portion 36d is locked in the locking hole 40 of the shutter member 35, as indicated by an arrow I in FIG. I have.

The rotating portion 36a is installed so as to be rotatable by fitting into a convex portion (not shown) provided on the cartridge body 31. The second convex portion 36d is provided with a first convex portion 36c.
The first protrusion 3 is formed integrally with the arm 36b in the same manner as
6c, it is located closer to the tip of the arm 36b.

When the disk cartridge device 30 constructed as described above is mounted on the disk drive device, as shown by the arrow J in FIG. 31 slides in the guide groove 37. Convex part 4 for shutter opening
1 pushes the first convex portion 36 c of the lock member 36 into the cartridge main body 31. The lock member 36 is shown in FIG.
At 4, as shown by the arrow K, it rotates in the direction opposite to the biased direction, and the locked state of the second convex portion 36 d with the locking hole 40 is released.

As the disk cartridge device 30 is further pushed into the disk drive device, the shutter opening projection 41 engages with the opening projection 39 of the shutter member 35, and the shutter opening projection 41 The shutter member 35 is moved to the rear end side. As shown in FIG. 12, in the disk cartridge device 30, with the shutter member 35 completely opened, the stored disk tray 33 is pulled out, and information signals and the like for the disk 32 are recorded and reproduced.

Further, the disk cartridge device 30
When the disk drive is taken out of the disk drive, the shutter member 35 closes the opening 34 by performing the operation reverse to the above. The disk cartridge device 30 includes the shutter member 3
5 is fixed in a state where the opening 34 is closed by locking the second convex portion 36 d of the lock member 36 into the locking hole 40. Therefore, the disc cartridge device 30 prevents dust and the like from entering the cartridge main body 31 through the opening 34, and the stored disc 32
The recording / reproducing failure caused by the attachment of dust or the like to the recording medium is prevented.

Also, the disk cartridge device 30
In the state of being taken out of the disk drive device,
The shutter member 35 is fixed in a closed state by a lock member 36. Therefore, the disk cartridge device 30 prevents the disk tray 33 from being unintentionally pulled out even when an impact is applied by dropping or the like, and prevents the disk 32 from jumping out and being damaged. .

Next, still another embodiment of the disk cartridge device according to the present invention will be described. A disk cartridge 50 shown as still another embodiment is
As shown in FIG. 15 and FIG.
And a disc tray 53 in which a plurality of discs 52 are stored in the cartridge main body 51 and on which the discs 52 are rotatably mounted.

The disk cartridge device 50 is
The only difference from the above-described disk cartridge device 1 is the structure for closing an opening 54 described later. Therefore, in the following description, portions that are the same as or equivalent to those of the disk cartridge device 1 are assigned the same numbers, and descriptions thereof are omitted.

The disk cartridge device 50 is detachably used in a disk drive device (not shown) similar to the disk drive device 20, and is mounted on the disk drive device in a direction indicated by an arrow L in FIG.
In the following description of the disk cartridge device 50, the side initially mounted on the disk drive device will be referred to as the front end side, and the side on which the disk 52 is mounted on the disk tray 53 will be referred to as the upper surface side. .

The cartridge main body 51 is formed in a substantially rectangular box shape from a resin material such as ABS resin, and a plurality of disk trays 53 are housed in the internal space so as to be able to be pulled out from the cartridge main body 51. The cartridge main body 51 has an opening 54 on the right side surface from which the disc tray 53 is pulled out. The cartridge main body 51 is provided with a shutter member 55 for opening and closing the opening 54 and a lock member 56 for holding the shutter member 55 in a closed state. In addition, the cartridge body 51 includes:
A hole 57 is formed to allow a later-described release portion 56b of the lock member 56 to face outward.

The shutter member 55 is formed to have a size sufficient to close the opening 54, and the cartridge body 51 is formed by fitting a projection (not shown) and a recess (not shown).
Is installed so as to be rotatable about the vicinity of the upper surface side. The shutter member 55 is moved by biasing means (not shown).
It is urged in the direction to close the opening. The shutter member 55 has a lock member 5 at a predetermined position on the distal end side.
6, a locking hole 58 in which a locking portion 56c described later is locked.
Are formed.

The lock member 56 is formed in an elongated shape with an elastic material and is installed inside the cartridge main body 51. The lock member 56 is provided with a fixing portion 56 a adhered to a predetermined position of the cartridge main body 51 and a hole 57 of the cartridge main body 51. It is composed of a release portion 56b facing outward and a locking portion 56c locked in the locking hole 58 of the shutter member 55.

That is, the disk cartridge device 50
When the disk drive device is mounted on the disk drive device, the unlocking projection 59 of the disk drive device pushes the release portion 56b of the lock member into the cartridge body 51. When the release portion 56b is pushed in, the lock member 56 is released from the locked state with the locking hole 58 of the locking portion 56c. Disk cartridge device 50
As shown by the arrow M in FIG. 16, the shutter member 55 is opened by the lid opening projection 60 of the disk drive device.

The disk cartridge device 50 includes the disk cartridge device 1 and the disk cartridge device 3
Similarly to the case of 0, the stored disk tray 53 is pulled out, and recording and reproduction of information signals and the like are performed on the disk 52.

Further, the disk cartridge device 50 includes:
As in the case of the disk cartridge device 1 and the disk cartridge device 30, when the disk cartridge is taken out from the disk drive device, the shutter member 55 closes the opening 54 by performing the reverse operation.

The disk cartridge 50 is fixed in a state where the shutter 54 is locked with the locking portion 56c of the locking member 56 in the locking hole 58 so that the opening 54 is closed. Therefore, the disc cartridge device 50 prevents dust and the like from entering the cartridge main body 51 through the opening 54, and the stored disc 52
The recording / reproducing failure caused by the attachment of dust or the like to the recording medium is prevented.

Further, the disk cartridge device 50 includes:
In the state of being taken out of the disk drive device,
The shutter member 55 is fixed in a closed state by a lock member 56. Therefore, even when the disk cartridge device 50 is dropped and receives an impact, the disk tray 53 is not unintentionally pulled out, and the disk 52 is prevented from jumping out and being damaged. .

The present invention is not limited to the above embodiment. Disk cartridge device 1,
Reference numerals 30 and 50 denote not only optical disks used in conventional magazine-type disk cartridge devices but also magneto-optical disks and magnetic disks because the cartridge body is hermetically sealed in a state of being taken out of the disk drive device. Various types of discs can be used in which recording and reproduction failures are more likely to occur due to the influence of dust and the like than optical discs.

[0101]

As described above, according to the disk cartridge device of the present invention, when the disk cartridge is removed from the disk drive, the opening formed in the cartridge main body for pulling out the disk tray is provided.
By closing the lid, it is possible to prevent recording / reproducing defects caused by dust or the like adhering to the stored disk.

Further, according to such a disk cartridge device, when the disk tray is removed from the disk drive device, the disk tray is fixed to the stored state by the tray lock mechanism, so that the disk tray is unintentionally pulled out. This prevents the disk from jumping out and being damaged.

Therefore, such a disk cartridge device is suitable for long-term storage in a state of being taken out of the disk drive device, since the disk housed in a sealed cartridge body is protected from dust and the like. A large capacity information signal or the like can be stored with high reliability.

[Brief description of the drawings]

FIG. 1 is a perspective view of a disk cartridge device according to the present invention.

FIG. 2 is a perspective view showing a lower surface side of the disk cartridge device.

FIG. 3 is a perspective view showing a state where a disk tray of the disk cartridge device is pulled out.

FIG. 4 is a perspective view of a main part showing a leaf spring of the disk cartridge device.

FIG. 5 is an essential part perspective view showing a state where a lock member of the disk cartridge device is locked.

FIG. 6 is an essential part perspective view showing a state where a lock member of the disk cartridge device is released.

FIG. 7 is a perspective view showing a disk tray of the disk cartridge device.

FIG. 8 is a perspective view showing a lower surface side of a disk tray of the disk cartridge device.

FIG. 9 is a sectional view showing a state where the disk tray of the disk cartridge device is pulled out.

FIG. 10 is a schematic perspective view showing a disk drive device to which the disk cartridge device is mounted.

FIG. 11 is a schematic perspective view of another disk cartridge device according to the present invention.

FIG. 12 is a schematic perspective view showing a state where a shutter member of the disk cartridge device is opened.

FIG. 13 is an essential part perspective view showing a state where a lock member of the disk cartridge device is locked.

FIG. 14 is an essential part perspective view showing a state where a lock member of the disk cartridge device is released.

FIG. 15 is a schematic perspective view of still another disk cartridge device according to the present invention.

FIG. 16 is a schematic perspective view showing a state where a shutter member of the disk cartridge device is opened.

FIG. 17 is a perspective view showing a conventional disk cartridge device.

FIG. 18 is a perspective view showing a lower surface side of the disk cartridge device.

FIG. 19 is a sectional view of a magneto-optical disk provided in the disk cartridge device.

FIG. 20 is a perspective view of a main part showing a lock member of the disk cartridge device.

FIG. 21 is a perspective view showing a conventional magazine type disk cartridge device.

FIG. 22 is a schematic perspective view showing the inside of the disk cartridge device.

FIG. 23 is a schematic perspective view showing a disk drive device to which the disk cartridge device is mounted.

[Explanation of symbols]

1 disk cartridge device, 2 cartridge body, 3 disk, 4 disk tray, 4e standing wall, 5
Opening, 6 leaf spring, 7 locking member, 20 disk drive

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Atsuhiro Kumagai 6-7-35 Kita-Shinagawa, Shinagawa-ku, Tokyo Inside Sony Corporation (72) Inventor Akira Shimadzu 6-35, Kita-Shinagawa, Shinagawa-ku, Tokyo No. Sony Corporation

Claims (5)

[Claims] 1. A disk-shaped recording medium is rotatably mounted and housed in a plurality of disk trays provided in a cartridge body so as to be able to be pulled out, and is used detachably with respect to a disk drive device. A disk cartridge device for recording and / or reproducing information signals and the like on the predetermined disk-shaped recording medium stored by pulling out the predetermined disk tray when the disk cartridge is mounted on a drive device; A lid is provided for opening and closing the opening of the cartridge main body from which the tray is pulled out, and when the cartridge is taken out of the disk drive device, dust or the like is prevented from entering from the opening. Characterized disk cartridge device. 2. The disk cartridge device according to claim 1, wherein the lid is formed by an upright wall integrally formed at a side end of the disk tray that is pulled out from the cartridge body. . 3. Each of the disk trays is held in a state of being housed in the cartridge body by a tray lock mechanism in a state of being taken out of the disk drive device, and in a state of being mounted on the disk drive device. 2. The disk cartridge device according to claim 1, wherein said tray lock mechanism is released. 4. A disk-shaped recording medium is rotatably mounted and stored in a plurality of disk trays provided in a cartridge body so as to be freely drawn out, and is used detachably with respect to a disk drive device. A disk cartridge device for recording and / or reproducing information signals and the like on the predetermined disk-shaped recording medium stored by pulling out the predetermined disk tray when the disk cartridge is mounted on a drive device; A tray lock mechanism is provided for holding each of the disk trays in a state housed in the cartridge body when the disk tray is removed from the drive device. The tray lock mechanism is released when the disk tray is mounted on the disk drive device. A disk cartridge device characterized in that: 5. The cartridge body is provided with an opening through which the disk tray is pulled out, and a cover for preventing dust and the like from entering from the opening when the disk tray is taken out from the disk drive device. 5. The apparatus according to claim 4, wherein the lid is formed by an upright wall integrally formed at a side end of the disc tray that is pulled out from the cartridge body.
The disk cartridge device according to any one of the preceding claims.