JPH1153811A - Disc playback device - Google Patents

Abstract

(57) [Problem] To provide a disk reproducing apparatus which can reduce the volume occupied by a stocker and a disk cartridge transport operation, can accommodate many disk cartridges, and realizes a light load shutter opening / closing operation. The purpose is to: SOLUTION: An angle posture of a holder 9 is substantially the same at a top floor and a floor adjacent thereto, and a stocker 18 is rotated by a lifting rack 20 to a height corresponding to the holder 9, so that the space is limited. Many disk cartridges can be stored.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a plurality of disk cartridges each containing a disk-shaped recording medium (hereinafter, referred to as a disk) mounted therein, and any one of the plurality of disk cartridges. The present invention relates to a disk playing device capable of recording / reproducing. Among them, the present invention relates to a stocker unit for accommodating a disk cartridge, a holder for holding and guiding the disk cartridge and performing an elevating operation with respect to a playing unit, and a disk reproducing apparatus having a shutter opening and closing unit for opening and closing a shutter of the disk cartridge. It is.

[0002]

2. Description of the Related Art A disk reproducing apparatus for selectively reproducing one of a plurality of stored disk cartridges is described in Japanese Utility Model Laid-Open No. 6-84545. In this disc reproducing apparatus, a drive unit provided with a rotating turntable is swingably supported by a rotating shaft, and a plurality of shelves having different inclination angles are formed near the drive unit. When a desired disk cartridge is selected, the drive unit is swung so that the drive unit and the shelf accommodating the selected disk cartridge are kept in a parallel state. Thus, the disk cartridge can be delivered to and from each shelf by slightly swinging the drive unit. The drive unit is arranged on the front panel side of the housing, and the shelf is arranged on the back side of the housing adjacent to the drive unit.

A disk drive device for opening and closing a shutter of a disk cartridge is disclosed in Japanese Patent Application Laid-Open No. 8-638.
No. 56 is described. In this disk drive device, a moving plate in which a shutter opening pin that moves while being guided by a guide groove of a holder is urged in a discharge direction to a disk cartridge by a tension coil spring. When the disk cassette is inserted, the shutter opening pin is driven by engaging with the shutter, and the moving plate is transported along the guide groove, whereby the shutter is opened.

[0004]

SUMMARY OF THE INVENTION
In the disk reproducing apparatus disclosed in Japanese Patent No. 84545, the drive unit swings up to a desired height of the disk cartridge, the disk cartridge is pulled out from the shelf, and is mounted on the drive unit, and the shelf is pivotally supported by the drive unit. Are provided radially. Therefore, the drive unit must be rotated, and it becomes difficult to configure a buffer member for reducing vibration. In addition, since the shelves are arranged radially, there is a problem that the stacking interval of the disk cartridges is increased on the back side, and the size of the apparatus is increased.

Further, in the above-mentioned conventional disk drive apparatus disclosed in Japanese Patent Application Laid-Open No. 8-63856, the movable plate is urged in the ejection direction of the disk cartridge by a tension coil spring. Therefore, the load in the opening and closing operation of the shutter in the transfer operation of the disk cartridge increases. Further, since the moving plate is guided and moved by the guide groove of the holder, there is a problem that the supporting structure and the like become complicated.

Accordingly, the present invention provides a disk reproducing apparatus in which the number of stored disk cartridges is increased without increasing the size, and a simplified shutter opening / closing operation in which the load in opening / closing the shutter of the disk cartridge is reduced. It is an object of the present invention to provide a disc reproducing apparatus of a member.

[0007]

In order to solve the above-mentioned problems, a disk reproducing apparatus according to the present invention has a structure in which the holder has substantially the same angular position on the top floor and the adjacent floor, and the stocker has a height corresponding to the holder. It is configured to be rotated by the elevating means, whereby a thin and many disk cartridge can be stored, and a disk reproducing apparatus with a small load for opening and closing the shutter of the disk cartridge can be realized.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A disc reproducing apparatus according to a first aspect of the present invention comprises: a housing having a front panel having an opening formed at one end; A playing means for performing reproduction, and a disc cartridge is inserted in a mounting direction from the outside of the housing to the inside of the housing, adjacent to the playing means, facing the front panel of the housing, and closer to the front panel than the playing means. Moving between a storage position in which a plurality of stacked storage shelves are provided, in which the disk cartridge can be transferred to the playing means, and a discharge position in which a part of the stored disk cartridge protrudes to a grippable position. A stocker provided so as to be able to guide the disk cartridge in the transfer operation from the stocker, and a holder for mounting the disk cartridge on the playing means; The holder is selectively raised and lowered to the height of the storage shelf of the stocker, and the posture of the holder when the disk cartridge of the storage shelf on the top floor of the stocker is selected and the posture of the holder on the floor adjacent to the top floor are roughly described. And a holder elevating means for rotating the stocker to a position corresponding to the holder.

According to a second aspect of the present invention, there is provided a disk reproducing apparatus, wherein a front panel having an opening is provided at one end, and a performance for recording / reproducing a disk rotatably stored in a disk cartridge. Means, and a stack in which a disc cartridge is inserted in a mounting direction from the outside of the housing to the inside of the housing, the storage unit being disposed adjacent to the front panel of the housing, adjacent to the front panel of the housing, and closer to the front panel than the playing means. Equipped with a plurality of storage shelves and provided so as to be movable between a storage position where the disk cartridge can be transported to the playing means side and a discharge position where a part of the stored disk cartridge projects to a position where it can be gripped. And a holder for guiding the transfer operation of the disc cartridge from the stocker and for mounting the disc cartridge on the playing means. Lifting and lowering means for selectively lifting and lowering the stocker to the height of the storage shelf of the stocker, and engaging with the holder lifting and lowering means. And a stocker locking means for releasing the locked state of the stocker.

According to a third aspect of the present invention, in the disk reproducing apparatus of the second aspect, the drive unit of the stocker is locked during the transfer operation of the disk cartridge by the stocker locking means, and the stocker is locked during the reproduction. This releases the locked state of the drive unit.

According to a fourth aspect of the present invention, there is provided a disk reproducing apparatus rotatably housed in a housing having a front panel formed with an opening at one end and a disk cartridge having a shutter slidably provided. Playing means for recording / reproducing the disc, guiding the transfer operation of the disc cartridge, releasing the holder for attaching the disc cartridge to the playing means, releasing the locked state of the shutter of the disc cartridge, and opening the shutter. A shutter opening drive unit for performing the operation, a shutter closing drive unit for engaging with the notch of the shutter to close the shutter, and engaging the shutter closing drive unit with the notch of the shutter in contact with the side surface of the disk cartridge. The cartridge abutment part is formed integrally, and can be swung in the holder in the width direction and height direction of the disk cartridge. It is those composed of a lifting been shutter opening and closing means.

According to a fifth aspect of the present invention, there is provided a disk reproducing apparatus rotatably housed in a housing having a front panel formed with an opening at one end and a disk cartridge having a shutter slidably provided. Playing means for recording / reproducing a disc, a chucker which is integrally transferred to the playing means while holding the disc cartridge, and guides the disk cartridge in the transfer operation, and mounts the disc cartridge on the playing means. A shutter opening drive unit that releases the locked state of the holder and the shutter of the disk cartridge to open the shutter, a shutter closing drive unit that engages with a notch of the shutter to close the shutter, and a disk Cartridge abutting portion that abuts the side surface of the cartridge and engages the shutter closing drive with the notch of the shutter And, in contact with the guide portion provided in the checker, engaging guide portion for performing high retention of the shutter closure drive is intended to be composed of a shutter opening and closing means formed integrally.

With the above arrangement, when switching from the top floor to the floor adjacent to the top floor, the stocker is rotated to a height corresponding to the holder with almost no rotation of the holder. Thereby, the degree of curvature of the transfer trajectory of the disk cartridge on the top floor is reduced, and a smooth transfer operation can be realized. Further, by locking the stocker by the movement operation of the holder lifting / lowering means, the displacement of the stocker in the vibrating state can be prevented, and the disk cartridge transfer operation can be made more reliable.

Further, the shutter opening / closing means is caused to swing in the width direction of the disk cartridge by abutting on the disk cartridge, and the guide portion is caused to swing in the height direction of the disk cartridge by abutting the chuck. As a result, the shutter opening / closing means is brought into contact with and engaged with the shutter only when necessary, so that the load of insertion into the shutter notch can be reduced.

Hereinafter, a disc reproducing apparatus according to the present invention will be described with reference to the drawings. FIG. 1 is a plan view showing a storage state of a disk reproducing apparatus according to an embodiment of the present invention in a stocker, FIG. 2 is a plan view showing a state where a disk cartridge has been pulled out, and FIG. Right side view showing operation, FIG. 4 is the adjacent floor (2nd floor) of the top floor
5 is a right side view showing a playback state, FIG. 6 is a right side view showing a posture change operation of the stocker, FIG. 7 is a detailed view of the chucker, and FIG. FIG. 9 is a plan view showing a start state of a shutter opening operation, FIG. 10 is a plan view showing a completion state of a shutter opening operation, and FIG. 11 is a plan view showing a start state of a vertical guide operation of a shutter opening / closing member. FIG. 12 is a right side view showing an end state of a vertical opening / closing operation of a shutter opening / closing member, FIG. 13 is a plan view showing a state where a chucker is stored in a stocker, and FIG. Plan view, FIG. 15 is a plan view showing a state where the transfer of the chucker is completed, FIG. 16 is a left side view showing a state where the chucker is stored in the stocker,
FIG. 17 is a left side view showing a state in which the chucker is being pulled out, and FIG.
8 is a left side view showing the transfer completion state of the chucker, FIG. 19 is a left side view showing the drive state of the chucker transfer system, and FIG. 20 is a left side view showing the drive state of the stocker transfer system.

First, a description will be given of a stocker for accommodating a disk cartridge in this embodiment.

In FIG. 1, a front panel 3 is integrally provided on a front surface of a housing 2. The front panel 3 has an opening 3a for a stocker 18 into which the disk cartridge 1 is inserted. In the depth direction of the opening 3a of the front panel 3, a stocker 18 capable of storing a plurality of disk cartridges 1 is provided so as to be movable in a predetermined section in an insertion / ejection direction (hereinafter, referred to as a front-rear direction) by a configuration described later. . A traverse unit (playing means) 28 is disposed further on the back side of the stocker 18. When the stocker 18 is at a predetermined standby storage position in which the traverse unit is moved in the back direction, the traverse unit 28 is pulled out for reproduction. It can be mounted on the unit 28.

In FIG. 3, the stocker 18 is partitioned by a plurality of partition plates (storage shelves) 18f to 18j, and five disk cartridges 1, which can be attached and detached, are opened in the insertion direction of the disk cartridge 1. An opening is provided. Each of the openings is provided with a chucker 19 which is transferred integrally with the disc cartridge 1. In addition, as shown in FIGS. 2 and 5, when the stocker 18 is discharged, the disc cartridges 1 protrude from the opening 3a of the front panel 3 and are held one by one by holding the stored disk cartridges 1 on both sides. It is configured to be removable.

Here, the description will be made hereinafter with the uppermost stage of the stocker 18 as the first floor and the lowermost stage as the fifth floor.

The chucker 19 is transported to the traverse unit 28 by the carrier 11 described later while holding the disk cartridge 1. The stocker 18 is provided with a chucker 19 movably on each floor, and four guide bosses 19a to 19d for guiding the transfer are formed on both side surfaces of the chucker 19 as shown in FIG. Guide grooves 1 provided on both inner side surfaces of stocker 18
8a to 18e. A leaf spring portion 19g for holding the disc cartridge 1 is formed on both sides of the chucker 19, and a lower guide 19e and an upper guide 19f for guiding up and down a shutter opener (shutter opening / closing means) 51 described later are formed on the right side. I have.

As shown in FIG. 16, the front surface of the five disk cartridges 1 is arranged in a line in the stocker 18 and the holder 9 is rotated about the rotation support shaft 9c. The transfer stroke of the chucker 19 differs. Therefore, a first engagement guide 19i having a different shape on each floor is formed on the back side of the chucker 19 by bending, and a second engagement guide having the same shape on each floor is formed continuously with the first engagement guide 19i. 19h are formed. Thus, the transfer stroke of each floor is corrected by engaging the roller 11a of the carrier 11 with the first engagement guide 19i at the start of transfer and engaging the second engagement guide 19h at the completion of transfer. .

A method of moving the stocker 18 will be described below with reference to FIGS. 2 to 6 and FIG.

In FIG. 2, the stocker 18 is guided on both sides by a left stocker angle 5 and a right stocker angle 6 fixedly arranged on the mechanical chassis 4 fixed to the housing 2. 2 and 20, the stocker 18 is transported in the front-rear direction by the stocker rack 22 sliding on the left stocker angle 5. Stocker rack 2
2, the drive shaft 18k of the stocker 18 is rotatably engaged, and the transfer motor 41 having the worm gear 42 pressed into the motor shaft is used as a drive source, and is transmitted to the drive gear 48 via the transmission gears 43 to 47 at a reduced speed. Then, the stocker 18 and the stocker rack 22 are integrally moved in a predetermined section.

With such a configuration, the stocker 18 moves from the discharge position where the disc cartridge 1 can be replaced as shown in FIGS. 5 and 20 to the standby storage position where the change operation of the disc cartridge 1 in FIG. 3 is performed. Between the two.

A right angle 7 is fixed to the housing 2, and an elevating rack (holder elevating means) 2 is attached to the right angle 7.
0 is slidably provided, and the worm gear 36
The lifting gear 35 press-fitted therein is provided.
The drive rack 40 is decelerated and transmitted to the drive gear 40 via # 39 through # 39.

As shown in FIG. 3, an elevating shaft 18l on the right side of the stocker 18 is engaged with a cam groove 20e of an elevating rack 20 for performing the elevating operation of the holder 9 described later. The pins 23b and 23c of the stocker lock lever (stocker locking means) 23 rotatably supported by the right angle 7 are engaged with the cam grooves 20c and 20d of the lifting rack 20, and the drive shaft 18k of the stocker 18 and the stocker The lock lever 23 is configured to be freely engageable with and disengageable from the lock groove 23a.

As a result, when the disk cartridge 1 on the second floor shown in FIG. 4 is pulled out, the stocker 18 takes the maximum inclination posture, and the same posture is taken on the third to fifth floors. Is locked by the stocker lock lever 23. At the time of the pull-out operation of the disc cartridge 1 on the first floor shown in FIG. 3, the stocker 18 is rotated and changed in posture to take a slightly gentle inclination posture, and the drive shaft 18k of the stocker 18 is locked by the stocker lock lever 23. I have. Further, FIG.
In the reproduction state shown in (1), the stocker 18 is held in a horizontal state, the rotation support shaft 18k of the stocker 18 is separated from the stocker lock lever 23, and can be moved back and forth. At this time, when the stocker 18 is transferred in the discharge direction, the lifting shaft 181 of the stocker 18 is separated from the cam groove 20e of the lifting rack 20.

Next, the traverse unit 28 will be described. 1, 3 and 16, positioning pins 28 c and 28 d for positioning the disk cartridge 1 are implanted in the traverse unit 28, and a spindle motor 29 for rotating and driving the disk is mounted.
An optical head 30 for reading signals recorded on a disk in the disk cartridge 1 is slidably mounted. Damper support plates 28a and 28b provided on the front and rear sides below the traverse unit 28 are provided with dampers 31 to 34 in which a viscoelastic body is enclosed, so that the traverse unit 28 can freely move with respect to the housing 2. Four points are supported.

The rear end of the holder 9 is a traverse unit 28
6 is rotatably supported at the rear end thereof.
As shown in (b), it is provided on a substantially extension of the guide groove 18c of the disc cartridge 1 on the third floor of the stocker 18 which is inclined. Chuckers 19 are provided on both inner surfaces of the holder 9.
Guide grooves 9a and 9b are provided to engage with and guide the guide bosses 19a to 19d. A drive pin 9d for rotating and driving the holder 9 is implanted on the right side surface. The drive pin 9d of the holder 9 is engaged with the step cam 20b of the lifting rack 20, and the holder 9 is driven to rotate about the rotation support shaft 9c by sliding movement of the lifting rack 20. The torsion springs 55 and 56 are suspended between the traverse unit 28 and the holder 9 on both side surfaces thereof, and the holder 9 is pressed against the traverse unit 28 in a regenerated state.

Here, in order to position the holder 9 up and down at the selected height, as shown in FIG. 1, a printed circuit board 54 provided with a sensor 53 is provided above the right angle 7, and The slit 20g of the rack 20 is the sensor 5
3 and positioning of the elevation is performed.

In FIG. 1, a V-groove (not shown) is formed on the damper support plate 28a of the traverse unit 28 outside the dampers 33 and 34, and is slidably provided on the housing 2 so as to be slidable. The traverse unit 28 is fixed to the housing 2 by the lock lever 24 formed with a number (not shown) when performing the attachment / detachment of the disk cartridge 1 or the disk switching operation. 1 and 3, the lock drive lever 26 is rotatably supported by the right angle 7, and has a pin 26a formed at one end to engage with the cam groove 20f of the lifting rack 20, and the other end. A lock connecting lever 25 rotatably supported by the mechanical chassis 4
And an engagement piece 26b that engages with the second member.

During the transfer operation of the disk cartridge 1, the lock drive lever 26 is driven to slide the lock lever 24 on the mechanical chassis 4 via the lock connection lever 25 as shown in FIGS. It is moved. As a result, the positioning lever 27 is interlocked, the damper support plate 28a is positioned in the front-back and up-down directions, the damper support plate 28b is positioned in the up-down direction, and the traverse unit 28 is locked at a predetermined position on the mechanical chassis 4.

In the reproduction state, FIGS.
, The lock drive lever 26 is driven, and the lock lever 24 is
Is slid on. Thereby, the positioning lever 27
Are interlocked, the locked state of the damper support plates 28a, 28b is released, and the traverse unit 28 is
In a floating state.

Next, the opening / closing operation of the shutter 1a of the disk cartridge 1 will be described with reference to FIGS.

7 and 11, an opener rotating shaft 9e is implanted in the holder 9, and the shutter opener 51 is moved in a width direction and a height direction of the disc cartridge 1 by a slight gap with the rotation center hole 51a. It is supported swingably. The shutter opener 51 is formed with a lock release section (shutter opening drive section) 51b which is inserted into a side groove (not shown in the figure) of the disk cartridge 1 and releases the locked state of the shutter 1a to open the shutter 1a. A shutter engaging piece 51c that engages with the notch 1b of the shutter 1a and closes the shutter 1a is formed at the end. The lower guide 19e and the upper guide 19f of the chucker 19 are located near the shutter engagement piece 51c.
An upper and lower contact portion (engagement guide portion) 51e for performing height positioning by contacting the upper and lower portions is formed. At the other end of the shutter opener 51, a cartridge contact portion 51d is formed,
The shutter opener 51 swings in contact with the side surface of the disk cartridge 1, and the shutter engaging piece 51 c is engaged with the notch 1 b of the shutter 1 at the same timing as the operation of unlocking the shutter 1 a. The shutter opener 51 is normally elastically urged by a torsion spring 52 in a direction in which a shutter engagement piece (shutter closing drive unit) 51c is retracted with respect to the shutter 1a.

In FIG. 8, when the chucker 19 is transferred to the holder 9, the shutter opener 51 moves
Left side wall (not shown by number) and disk cartridge 1
And the shutter opener 51 is rotated by contacting the right rear side wall of the disk cartridge 1. Prior to this, the upper and lower abutting portions 51e of the shutter opener 51 abut on the lower guide 19e to determine the height as shown in FIG. 11, so that the unlocking portion 51b does not enter the side groove of the disk cartridge 1. It is possible. Further, when the chucker 19 is pulled out, the shutter opener 51 is completely swung, and at this time, the shutter 1a is unlocked and the shutter 1 is released.
The engagement of the shutter engagement pieces 51c with the notch portions 1b is performed at the same timing. At this time, the upper and lower contact portions 51e of the shutter opener 51 are connected to the lower guide 19 as shown in FIG.
e and the upper guide 19f guide the height,
The shutter engaging piece 51 is securely inserted into the notch 1b of the shutter 1.
The engagement operation of c is performed. Thereafter, when the transfer operation of the chucker 19 is completed, the opening operation of the shutter 1a is completed.

Next, the stocker 1 will be described with reference to FIGS.
A description will be given of an operation of pulling out from the traverse unit 28 to the traverse unit 28.

In FIG. 13, the holder 9 has a carrier 1
1 is rotatably provided, and the guide groove 10 of the carrier cover 10 is rotatably provided.
a, 10b, guide pin 11b of carrier 11;
11c is guided, and the roller 11a rotatably supported by the carrier 11 is guided and moved along a predetermined trajectory. The carrier control slider 14 is slidably provided on the holder 9, and the carrier drive lever 12 and the carrier control lever 14 are suspended by the carrier connection lever 13. The carrier control slider 14 is provided with the torsion spring 1.
5, the carrier control slider 14 is elastically urged at both moving end positions.

In FIG. 16, the slit insertion lever 17
Is rotatably supported on the left side surface of the holder 9, and the pin 16 a of the slit trigger lever 16 is
4, the slit insertion lever 17 is rotated by the pin 17a sandwiched by the driving portion 16b of the slit trigger lever 16, and the lock piece 17c is moved. The lock piece 17c engages with a comb-shaped slit 4a integrally formed on the left side surface of the mechanical chassis 4 or the back end of the stocker 18 to more precisely determine the height of the holder 9. I have to.

Next, with reference to FIGS. 4 to 6 and FIGS. 13 to 20, the operation of pulling out the disk cartridge 1 on the second floor will be described.

When the transfer operation between the traverse unit 28 side of the disk cartridge 1 and the stocker 18 is performed, as described above, the stocker 18 is moved upward with respect to the housing 2 from the front side to the back side. It is in an inclined position.

When the disk on the second floor is selected, as shown in FIGS. 4 and 6B, the lifting rack 20 slides and the holder 9 is driven to rotate to the height position on the second floor. At this time, the guide groove 9a of the holder 9 is
, And guides when the chucker 19 is transferred from the stocker 18 to the holder 9.

When the transport motor 41 is driven from the state shown in FIG. 19, the carrier control slider 14 is moved, the rollers 14b of the carrier control slider 14 are driven, and the carrier 11 is driven. At this time, the roller 11 a of the carrier 11 that has been retracted from the chucker 19 is engaged with the first engagement portion 19 i of the chucker 19. Further, the guide boss 1 of the chucker 19 is moved with the movement of the carrier control slider 14.
Before the 9a and 19b are transferred from the guide groove 18b of the stocker 18 to the guide groove 9a of the holder 9, the lock piece 17c of the slit insertion lever 17 is inserted into the slit 4a to determine the height. The chucker 19 is driven by the carrier 11 and guide bosses 19a,
19b exits from the guide groove 18b of the stocker 18 and is transferred to the guide groove 9a of the holder 9.

Subsequently, the chucker 19 is transported, and the guide bosses 19c and 19d of the chucker 19 come out of the guide groove 18b of the stocker 18 and the guide groove 9a of the holder 9.
Then, the lock piece 17c of the slit insertion lever 17 is detached from the slit 4a.

When the disk cartridge 1 passes through the positioning pins 28d on the front side and the turntable 29 and is conveyed to the end position (pull-out position), the carrier control slider 14 is self-urged by the torsion spring 15 and the chuck 19 is pulled out. Moved to completion position.

Thereafter, when the lifting / lowering motor 35 is driven, the movement of the lifting / lowering rack 20 is started, and the holder 9 is driven to rotate downward, and the holder 9 and the traverse unit 2 are moved.
8 are combined, that is, the disc cartridge 1 is fixed to the traverse unit 28. When the lock lever 24 is driven in the unlocking direction, the traverse unit 28 is in a floating state with respect to the mechanical chassis 4, and the disk can be played.

Here, the guide groove 18b of the stocker 18
In addition, since the guide trajectory of the disc cartridge 1 by the guide groove 9a of the holder 9 finally takes a trajectory having a nearly horizontal posture, the degree of curvature of the transfer trajectory can be reduced, and smooth transfer can be performed.

From this state, the rack gear 21a of the carrier rack 21 is disengaged from the drive gear 48 by the transfer trigger lever 49, and conversely, meshes with the rack gear 22a of the stocker rack 22 so that the stocker 18 can be moved. That is, the disk cartridge 1 being reproduced can be replaced.

Next, the transfer operation of the disk cartridge 1 on the first floor (the top floor) will be described with reference to FIGS.

When the disk on the first floor is selected, the lifting rack 20 is moved, and the holder 9 is driven to rotate to the height position on the first floor. At this time, the guide groove 9a of the holder 9 is at a height on the extension of the guide groove 18a of the stocker 18, and guides when the sheet is conveyed from the stocker 18 to the holder 9.

Since the pulling-out operation is the same as the pulling-out operation of the disk cartridge on the second floor, the description is omitted here.

Here, the guide groove 18b of the stocker 18
In addition, the guide trajectory of the disk cartridge 1 by the guide groove 9a of the holder 9 finally takes a trajectory having a nearly horizontal posture, similarly to the transfer operation of the disk cartridge 1 on the second floor. And smooth transfer can be performed.

[0053]

As described above, according to the present invention, the stocker is rotated to the height corresponding to the holder on the top floor without substantially rotating the holder on the top floor and the floor adjacent to the top floor. The transfer trajectory of the disk cartridge is made closer to a straight line, smooth transfer operation is performed, and a thinned mechanism can be realized because an extra curved transfer trajectory is unnecessary. Also, the drive shaft of the stocker is locked by the moving operation of the holder elevating means,
Even in the vibrating state, the displacement of the stocker does not occur,
The relative position between the holder and the stocker is ensured, and more reliable disk cartridge transfer operation is ensured.

Further, by bringing the cartridge contact portion of the shutter opening / closing means into contact with the disk cartridge, the shutter opening / closing means is swung in the width direction of the disk cartridge. Since the closing portion is engaged with the notch of the shutter, the shutter opening / closing load is reduced.

Further, the shutter opening / closing means is swung in the height direction of the disk cartridge by bringing the engagement guide portion into contact with the guide portion of the chuck. Thus, even in a changer having different cartridge transfer trajectories, in particular, a curved trajectory, one shutter opening / closing means can handle a plurality of disk cartridges.

[Brief description of the drawings]

FIG. 1 is a plan view showing a storage state in a stocker.

FIG. 2 is a plan view showing a state in which the disk cartridge has been pulled out.

FIG. 3 is a right side view showing a chucker pull-out operation on the top floor (first floor).

FIG. 4 is a right side view showing a state where the chucka is pulled out on the adjacent floor (second floor) of the top floor.

FIG. 5 is a right side view showing a reproduction state.

FIG. 6 is a right side view showing a posture change operation of the stocker.

FIG. 7 is a detailed view of a chucker.

FIG. 8 is a plan view showing a state in which engagement with a shutter is started.

FIG. 9 is a plan view showing a start state of a shutter opening operation.

FIG. 10 is a plan view showing a completed state of a shutter opening operation.

FIG. 11 is a right side view showing a start state of a vertical guide operation of a shutter opening / closing member.

FIG. 12 is a right side view showing an end state of a vertical opening / closing operation of a shutter opening / closing member.

FIG. 13 is a plan view showing a state where the chucker is stored in a stocker.

FIG. 14 is a plan view showing a transfer start state of the chucker.

FIG. 15 is a plan view showing a transfer state of the chucker.

FIG. 16 is a left side view showing a state where the chucker is stored in the stocker;

FIG. 17 is a left side view showing a state in which the chucka is being withdrawn.

FIG. 18 is a left side view showing a transfer end state of the chucker.

FIG. 19 is a left side view showing a driving state of the chucker transfer system.

FIG. 20 is a left side view showing a driving state of the stocker transfer system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Disc cartridge 2 Housing 3 Front panel 4 Mechanical chassis 9 Holder 11 Carrier 14 Carrier control slider 17 Slit insertion lever 18 Stocker 18a-18e Guide groove 18f-18j Partition plate 18k Rotating support shaft 18l Elevating shaft 19 Chucker 19a-19d Guide Boss 19e Lower guide 19f Upper guide 19g, 19h Holding spring 19i First engagement guide 19h Second engagement guide 20 Elevating rack (holder elevating means) 21 Transport rack 22 Stocker rack 23 Stocker lock lever (Stocker lock means) 28 Traverse unit (Playing means) 29 Spindle motor 30 Optical head 35 Elevating motor 40 Drive gear 41 Transport motor 48 Drive gear 49 Transfer trigger lever 51 Shutter opener (shutter opening / closing means) 51a times Moving center hole 51b Unlocking section (shutter opening drive section) 51c Shutter engagement piece (shutter closing drive section) 51d Cartridge contact section 51e Vertical contact section (engagement guide section)

Claims (5)

[Claims] 1. A housing having a front panel provided with an opening at one end, a playing means for recording / reproducing a disk rotatably housed in a disk cartridge, and adjacent to the playing means. A plurality of stacked disc cartridges are disposed facing the front panel of the housing and closer to the front panel than the playing means, and the disc cartridge is inserted in a mounting direction from the outside of the housing to the inside of the housing. A storage shelf, which is movable between a storage position at which the disk cartridge can be transferred to the playing means side and a discharge position at which a part of the stored disk cartridge projects to a grippable position. And a guide for transporting the disk cartridge from the stocker provided, and mounting the disk cartridge on the playing means. A holder to selectively move the holder up and down to the height of the storage shelf of the stocker, and the posture of the holder when the disk cartridge of the storage shelf on the top floor of the stocker is selected; And a holder raising / lowering means for rotating the stocker to a posture corresponding to the holder while keeping the posture of the holder on the floor adjacent to the holder substantially the same. 2. A housing having a front panel provided with an opening at one end, a playing means for recording / reproducing a disc rotatably stored in a disc cartridge, and a playing means adjacent to the playing means. A plurality of stacked disc cartridges are disposed facing the front panel of the housing and closer to the front panel than the playing means, and the disc cartridge is inserted in a mounting direction from the outside of the housing to the inside of the housing. A storage shelf, which is movable between a storage position at which the disk cartridge can be transferred to the playing means side and a discharge position at which a part of the stored disk cartridge projects to a grippable position. And a guide for transporting the disk cartridge from the stocker provided, and mounting the disk cartridge on the playing means. A holder to selectively move the holder up and down to the height of the storage shelf of the stocker; and a transfer operation of the disk cartridge by engaging the holder elevating means and moving the holder elevating means. A disk reproducing apparatus comprising: a stocker locking means for locking the stocker during operation and releasing the locked state of the stocker during reproduction. 3. The disk reproducing apparatus according to claim 2, wherein the driving unit of the stocker is locked by the stocker locking means during the transfer operation of the disk cartridge, and the locked state of the driving unit of the stocker is released during the reproduction. apparatus. 4. A recording / reproducing apparatus for recording / reproducing a disk rotatably accommodated in a disk cartridge provided with a front panel having an opening at one end and a disk cartridge having a shutter slidably provided. A playing means, a guide for guiding the transfer operation of the disk cartridge, a holder for mounting the disk cartridge on the playing means, and a shutter opening operation for releasing a locked state of a shutter of the disk cartridge and opening the shutter. A drive unit, a shutter closing drive unit that engages with the notch portion of the shutter to close the shutter, and the shutter closing drive unit in the notch portion of the shutter that comes into contact with the side surface of the disk cartridge. The cartridge contact portion to be engaged is integrally formed, and swings in the width direction and the height direction of the disk cartridge. Composed of a shutter opening and closing means which is rotatably supported on the holder disk reproducing apparatus. 5. A recording / reproducing apparatus for recording / reproducing a disk rotatably housed in a disk cartridge having a housing having a front panel provided with an opening at one end and a shutter slidably provided. Playing means, a chucker which is integrally transferred to the playing means while holding the disk cartridge, a holder which guides the transfer operation of the disk cartridge and mounts the disk cartridge on the playing means, A shutter opening drive unit that releases the locked state of the shutter of the disk cartridge and performs the opening operation of the shutter, and a shutter closing drive unit that engages with the notch portion of the shutter to close the shutter. The shutter closing drive unit is engaged with the cutout portion of the shutter in contact with the side surface of the disk cartridge. And a shutter opening / closing means integrally formed with an engagement guide section which abuts a guide section provided on the chucker to hold the height of the shutter closing drive section. Disc playback device.