JP3397049B2 - Disk unit - Google Patents

Description

Description: BACKGROUND OF THE INVENTION The present invention relates to a disk drive.
In particular, with both bare disks and disk cartridges
It relates to a possible disk device. Recently, disc seeds
Kinds are CD, CD-ROM, rewritable disk (PD,
MD), etc., and one disk device
Some configurations can use different types of discs in different locations.
Has been used. [0002] Certain types of this disk drive include:
Used by being incorporated into a computer device. Compu
The disk drive that is built into the
Can reduce the size of computer equipment
It is desired that it be thin. FIG. 22 schematically shows a conventional disk drive 1.
Is shown. The disk device 1 has a tray assembly 2
You. The tray assembly 2 includes a main tray 3 and a main tray.
This is a configuration including the sub-tray 4 on the a3. [0004] The disc cartridge 300 is shown in FIG.
As shown in FIG.
As shown in FIG.
3 is on the turntable 6 of the motor 5 and the clamper 7
Therefore, it is clamped. The CD-ROM 200 is shown in FIG.
As shown in (C), the device is placed on the tray assembly 2 and
Height H1 of disk 303 of disk cartridge 300
It is drawn in at a height H11 slightly lower than zero. Turntable
Cable 6 moves up and the CD-ROM 200 is
Float, height H10, clamped at this position
You. [0005] The CD-ROM 200
Moves up slightly after being retracted, as shown by arrow 8.
At a height H11 slightly lower than the height H10
Be drawn in. This makes the disk drive 1 thinner.
Was an obstacle to Accordingly, the present invention has achieved a solution to the above problems.
It is an object to provide a disk device. [0007] The invention according to claim 1 is an invention of a naked eye.
The disc can be loaded and the disc is
Disk cartridges stored in the cartridge can also be placed
In a disk device having a tray assembly that is
Lower the tray assembly into the disc cartridge
And has a shape substantially corresponding to the
A main tray with a trailing edge receiver to receive the trailing edge,
A bare disk mounting portion on which a disk is mounted, and the disk
A leading edge receiving portion for receiving a leading edge of the cartridge;
Tray and the sub-tray up and down with respect to the main tray
The main tray and the sub-tray
The distance between the front edge of the disc cartridge and the length of the disc cartridge is
Slightly shorter than the hand direction dimension and less than the main tray
The sub tray is in a floating state and the sub tray is
To the back of the disk unit with respect to the tray
To support the main tray and
And the sub-tray support means
The tray assembly was pulled into the disk drive
Sometimes, the sub tray is lowered with respect to the main tray.
The sub tray to the main tray
Sub-tray that moves toward the back of the disk unit
With a moving mechanism, the disc cartridge is
Press the front edge receiving part of the sub-tray and
Move the disc tray away from the main tray.
Move the sub-tray to the main tray.
The main tray and the sub tray.
And the bare disc is placed between the
The sub-tray is placed on the bare disk
When the tray sinks against the main tray,
Original sub tray floating slightly above the main tray
At the height of a, clamped on the turntable and
At the same time, pull the tray assembly together with the tray assembly into the disk drive.
Pressed by the leading edge of the disc cartridge
And operates the shutter of the disk cartridge.
The front edge of the disc cartridge is a turntable and a clamper.
Shutter opening mechanism to open before reaching the position
The sub-tray has a tray assembly with a bare disk.
Pull it into the disk drive while it is placed or empty.
When part of the shutter opening mechanism
A fender for operating the shutter opening mechanism.
The main tray is located in the fender section of the sub tray.
Do not return the shutter opening mechanism pushed away by
And a locking portion for locking the
You. FIG. 1, FIG. 2 and FIG. 3 show one embodiment of the present invention.
1 shows a disk device 10 according to an embodiment. Disk device 10
Can be loaded with a bare CD-ROM 200 and rewritten
Disk cartridge containing a disc (PD)
The configuration is such that the jig 300 can also be mounted. CD-ROM200
And rewritable discs (PD) have the same diameter and thickness
The same is true. As shown in FIG. 1 to FIG.
10 is a main assembly 11 and a main assembly 11
To the upper assembly 12 that covers the
It comprises a tray assembly 13 which can be moved in and out. next,
Each of the above assemblies will be described. [Main assembly 11] (mainly in FIGS. 1 and 2)
Reference) The main assembly 11 includes a generally box-shaped housing 20,
A driver mechanism 30 housed in the housing 20;
A lifting mechanism 40 for raising and lowering the driver mechanism 30;
You. First, the driver mechanism 30 will be described.
You. The driver mechanism 30 has a turn plate attached to the base plate 31.
And the optical head 33 is fixed.
It is movably supported in the Y1 and Y2 directions and has an optical head.
In this configuration, a moving mechanism 34 is provided. Turntable
A turntable 35 is provided on the spindle of the
It is fixed. The turntable 35 has the first
Convex hub 35b incorporating permanent magnet member 35a
(See FIG. 5). The optical head 33 is a CD-RO
With a configuration that can support both M and rewritable discs
is there. The driver mechanism 30 is located on the Y1 side of the base plate 31.
The end of the housing 20 is moved toward the Y1 side of the housing 20 by the leaf spring 36.
The leaf spring 36 is fixed to the step portion 21 at the end (rear portion) of the
Can be bent to swing in the A and B directions. Usually,
The driver mechanism 30 is turned obliquely downward in the direction B.
And the turntable 35 is located at a low position.
You. The base plate 31 has an end in the Y2 direction.
At the position near the X1 and X2 side,
Pins 37a and 37b for ridge positioning are implanted.
You. The elevating mechanism 40 is connected to the bottom plate 22 of the housing 20.
The slide member 41, the gear 42, the gear
It comprises an arm 43 and the like. The slide member 41 has an oblong slot.
41a and rack 41b, slide in X1, X2 directions
It is provided as possible. The inclined oblong hole 41a is
It is fitted to the pin 44 at the end in the Y2 direction. Gear 42 is
Hook 41b. Gear arm 43 is fan-shaped
With a gear 43a and an arm 43b, the center of which is supported
And the sector gear 43a meshes with the gear 42,
43b is engaged with a rack member 92 described later.
You. Further, on the bottom plate portion 22 of the housing 20,
Is a motor 45, a speed reduction mechanism 46 including a plurality of gears, and
A pinion 47 is provided. The pinion 47 is a la
Locking member 94. [Upper assembly] (mainly see FIGS. 1, 4, 5, and 6)
Next, the upper assembly 12 will be described. Upper assembly
The body 12 is, as shown in particular exploded in FIG.
And the clamper mechanism 60 provided on the
It comprises a quick opening mechanism 70 and the like. A clamper mechanism 60 is mounted on the top plate 50.
Opening 51 and a shutter quick-opening mechanism 70
Guide slits 52 and 53 for
You. The first guide slit 52 has a start end 52a and an end 5a.
2b. The starting end 52a is X1, X2
In the direction Y2 from the opening 51
It is a close position. The terminal end 52b is located near the position P1 described below.
It is a side position. This first guide slit 52 is
An opening extends from the end 52a in a direction between X1 and Y1.
A first guide slit extending so as to bypass
Following the second guide portion 52c and the first guide slit portion 52c.
A position closer to the X1 direction than the opening 51 extends linearly in the Y1 direction.
Existing second guide slit portion 52d and second guide slit portion 52d.
The wide opening 52e at the end of the id slit 52d
Become. The second guide slit 53 has a pin 54
Planted position P1 (position near the center in the X1 and X2 directions)
(A position near the end in the Y1 direction).
And formed at a portion closer to the Y1 direction and closer to the X2 direction.
is there. 53a is the start end and 53b is the end end. The clamper mechanism 60 includes an upper surface 50 of the top plate 50.
a, and as shown in FIG. 4 and FIG.
1a, a clamper 61 made of an annular synthetic resin,
Ferromagnetic adsorption plate 6 fixed to the upper surface at the center of the damper 61
2 and the lower surface 50b of the top plate 50,
61 has an opening 63a so as to protrude downward.
The flange of the clamper 61 so that the ramper 61 does not fall down.
A holder 63 having a flange 63b for supporting
A second permanent magnet member 64 as magnet means is fixed to the surface.
And a plate-shaped yoke 65. Holder 63 is in front
It is fitted in the round opening 51 described above. Yoke 65 and holder
63 is screwed to the upper surface 50a of the top plate 50.
The clamper 61 connects the suction plate 62 to the second permanent magnet member 64.
Magnetically attracted and pulled up in the Z1 direction
I have. The clamper 61 is smaller than the lower surface 50b of the top plate 50 by a dimension.
Only law a protrudes. The dimension a of the clamper mechanism 60 is
It is configured to be as small as possible. Also, adsorption
The plate 64 is not in close contact with the second permanent magnet member 64,
The second permanent magnet member 64 is slightly away from the permanent magnet member 64 by a dimension b. Sucking
The mounting plate 62 is easily separated from the second permanent magnet member 64.
To do that. As can be seen from the above, the clamper 61 is supported.
No arms are provided. This allows the clan
The disk mechanism 60 is thin, and thus the disk
The device 10 is thin. Also supports clamper 61
There is no mechanism for rotating the arm to be rotated. Yo
Therefore, the disk device 10 has a simple structure. Incidentally, instead of the second permanent magnet member 64,
Providing a coil, energizing the coil appropriately to form an electromagnet,
The attraction plate 64 is attracted by the magnetic force of the electromagnet.
You may. The shutter quick opening mechanism 70 is shown in FIGS.
(A), as shown in FIG. 4 and FIG.
A second arm 72, a shutter locking roller 73,
From the first torsion spring 74, the second torsion spring 75, etc.
Become. The second arm 72 has a base side portion 72a,
A pin 54 is mounted on the lower surface 50 b of the top plate 50 and pivotally supported.
And is rotatable along the lower surface 50b of the top plate 50.
You. The second arm 72 has a protrusion 7 protruding downward at the tip.
2b. When the second arm 72 rotates, this
The protruding portion 72b at the tip is along the second guide slit 53.
Move. The first arm 71 is substantially U-shaped,
A pin 76 is swaged on the side portion 71a.
1b has a pin 77 caulked, and here a shutter
The locking roller 73 is rotatably supported. Shutter
The locking roller 73 has a diameter d1 and has a stepped shape.
And has a small diameter portion 73a. Shutter locking roller 73
The diameter d1 is larger than the width w of the first guide slit 52.
And smaller than the diameter d3 of the wide opening 52e. Small diameter part 73
The diameter d2 of a is substantially equal to the width w of the first guide slit 52.
New The first arm 71 is a shutter locking roller
73 protrudes toward the lower surface 50 b of the top plate 50, and
3a is movably fitted to the first guide slit 52,
The pin 76 is connected to the protrusion 72 b at the tip of the second arm 72.
The second arm 72 is rotatably connected to the tip of the second arm 72 by being fitted into the hole.
In the connected state, it is provided on the upper surface 50a of the top plate 50.
You. The first arm 71 is a shutter locking roller
73 to the lower surface 50 of the top plate 50 through the wide opening 52e.
It protrudes to the b side and is incorporated into the top plate 50. Second
An ear 72c is provided on the cylindrical base 72a of the arm 72.
The second arm 72 locks and urges the second arm 72 counterclockwise.
Is provided. Base of the first arm 71
The first arm is located between the side of the second arm 72 and the distal end of the second arm 72.
Arm 71 is urged clockwise with respect to the second arm 72.
A first torsion spring 74 is provided. The first twist
The spring force of the spring 74 is greater than the spring force of the second torsion spring 75.
weak. The shutter quick opening mechanism 70 is shown in FIG.
In the state shown. That is, the second arm 72 is
Second guide slit in the counterclockwise direction by the spring 75
The first arm 7 has been rotated to the starting end 53a of the first arm 7.
1 is pushed away by the second arm 72,
The cutter locking roller 73 is located at the beginning of the second guide slit 52.
It is located at the end 52a. The shutter locking roller 73 is
Shutter 30 of disc cartridge 300 to be inserted
At a position facing the first concave portion 301a (see FIG. 14).
are doing. The shutter locking roller 73 is pushed in the Y1 direction.
When the shutter is opened, the shutter early opening mechanism 70
Is rotated clockwise against the second torsion spring 75,
First arm 71 is counterclockwise with respect to second arm 72
And the first arm 71 and the second arm 72
Are bent at the connecting portion 78. Shutter lock
The roller 73 is initially the first guide slit 52
Along the guide slit portion 52c in the X1 direction.
While moving in the Y1 direction, and then the second guide slit portion.
It moves in the Y1 direction along 52d. Shutter locking low
In the process in which the laser 73 moves in the X1 direction,
As shown, the shutter of the disc cartridge 300 is opened.
You. [Tray Assembly] (Mainly FIGS. 1, 3 and
Next, the tray assembly 13 will be described. Tray assembly
The body 13 is shown in FIGS. 1 and 3 (A), (B), FIG. 7 (A),
(B), as shown in FIG.
Sub tray 90 on the tray 80 and the sub tray 90
A sub-tray elevator that moves up and down with respect to the main tray 80
It consists of a structure 100 and the like. The main tray 80 and the sub tray 90 are shared.
Because of the symmetrical structure, the part of the symmetrical structure
Will be described on one side only. The main tray 80 is
Shallow box shape corresponding to disk cartridge 300
And a bottom plate portion 81, a side plate portion 82, and a rear side (Y2 direction).
) And a front edge (Y1 direction)
). The bottom plate 81 has a large opening 81a at the center.
With round holes 81b on both sides on the rear side, and on the X2 side on the front side
Rising wall-shaped locking portion 81d, rising wall on X1 side
Portion 81e, and a rising wall portion near the X2 side on the front side.
81f. The opening 81a is provided with an optical
The head 33 and the turntable 35 are received. Round hole
81b is penetrated by positioning pins 37a and 37b. Standing
In the rising walls 81d and 81e, the sub tray 90 is Y1.
Functions as a stopper when moved in the direction. Locking
The rear surface of the portion 81d on the Y1 direction side is
Projection 72 projecting below the tip of the second arm 72
It has the function of locking b. The side plate portion 82 has a position near the Y1 end and a position near the Y2 end.
Two inclined grooves 82a and 82b are formed at the positions near the ends.
It has been done. The inclined grooves 82a and 82b move in the Z2 direction.
Groove portions 82a-1 and 82 toward the Y1 direction
b-1 and a horizontal groove extending in the Y1 direction from the lower end of the inclined groove portion
The parts 82a-2 and 82b-2. The sub-tray 90 includes the main tray 8
CD-RO with a size that fits within 0 and a diameter of 12 cm
A 12 cm CD-ROM mounting portion 90a on which M is mounted;
8cm CD-R on which a CD-ROM with a diameter of 8cm is placed
It has a concentric circle with the OM mounting part 90b, and has a large center
It has a threshold opening 90c. On the rear side (Y2 direction) of the sub-tray 90,
A long hole 90d, protrusions 90e, 90
f is formed. Front end side of sub tray 90 (Y1 side)
Direction) has a beam-shaped fender portion 90g at the center, and X
2. A rising wall-shaped front edge receiving portion 90 is provided on the end side in the X1 direction.
h, and a spring hook 90i is provided on the inside. H
The end portion 90g is a small distance from the upper surface 90j of the sub-tray 90.
It is located at a position higher by the size c. Fender part 9
0 g is a shutter of the shutter early opening mechanism 70 as described later.
Press the cutter locking roller 73. On both sides of the sub-tray 90, the above-described inclined grooves are provided.
Corresponding to 82a, 82b, cylindrical projections 90k, 90l
Is formed. The sub-tray 90 has a cylindrical projection 90.
k, 90l are fitted into the inclined grooves 82a, 82b.
And is stored in the main tray 80. In FIG. 7 (B)
As shown in FIG.
Between the spring hook 81g of the tray 80
Il spring 91 is hung. The sub tray 90 is pulled
To the main tray 80 by the spring force of the coil spring 91.
On the other hand, the columnar projections 90k, 9
0l is the Y2 direction of the inclined grooves 82a-1 and 82b-1.
It is located at the end and floats by the dimension f from the main tray 80
I have. The fender portion 90g is attached to the shutter locking roller 73.
They are located at opposite heights. In this state, the main tray 80
Rear wall 84 (Y2 direction) and a sub-tray
The dimension L2 between the 90 and the rising wall 90h is
It is slightly shorter than the length L1 of the disc cartridge 300. 92
Is a rack member, and the bottom plate 81 of the main tray 80
On the back side, near the X1 direction, in the Y1 and Y2 directions
It is provided so as to extend and slide in the Y1 direction. here
The rack member 92 is normally wrapped around the back surface of the bottom plate 81.
The stopper 93 provided movably provides an end in the Y1 direction.
The recess 92a is locked so that sliding in the Y1 direction is
It is fixed to the in tray 80. The rack
The locking of the member 92 by the stopper 93 will be described later.
As shown, the main tray 80 is pulled into the housing 20.
The rack member 92 is released when the main tray 8
It can be moved independently of 0. The rack member 92 is located at the end in the Y2 direction.
Has an arm portion 92b extending in the X1 direction. This arm 9
2b, the rack member 92 is connected to the main tray as described later.
When the gear arm 43 moves independently of the
Of the arm 43b is pushed. The rack member 92 has a long hole 92c.
I do. Protruding pillar 90m protruding below sub-tray 90
Passes through the opening 81h of the bottom plate portion 81 of the main tray 80.
And protrudes into the elongated hole 92c. Protrusion 90m and long hole
The relationship between the rack member 92 and the main tray 80
The edge 92c of the elongated hole 92c
-1 presses the protruding column portion 90m. The tray assembly 13 is, as shown in FIG.
Corners at the lower edge of the side plates 82 on both sides of the main tray 80
82c is formed inside the side wall 23 on both sides of the housing 20.
Supported by the step portion 24 and upward by the top plate 50
In the Y1 and Y2 directions with the escape of
It is provided as possible. The rack member 92 is made of the above-described pinion.
It is in mesh with 47. The above-mentioned inclined grooves 82a, 82b, columnar projections
90k, 90l, tension coil spring 91, rack member
92 and the like constitute the sub-tray elevating mechanism 100. Next
Next, the operation of the disk device 10 having the above configuration will be described.
You. The disk device 10 is shown in FIGS. 3A and 3B.
As shown, the tray assembly 13 is out of the housing 20.
It has been. [Operation for Mounting CD-ROM] (Mainly,
(Refer to FIG. 9 to FIG. 13) First, the operation of mounting the CD-ROM will be described.
The operator, as shown in FIG.
00 is placed on the CD-ROM loading portion 90a, and operation buttons (FIG.
Press (not shown). By this operation, as shown in FIG.
Then, the motor 45 starts and rotates forward. Rotation of motor 45
Is decelerated by the speed reduction mechanism 46, and then the pinion 4
7, the pinion 47 is rotated counterclockwise,
As shown in FIG. 12B, the locking member 92 is moved in the Y1 direction.
And the tray assembly 13 (main tray 80)
Is moved in the Y1 direction as shown in FIG.
And enters the housing 20. With main tray 80
The sub-tray 90 and the mounted CD-ROM 200
Moves, and the CD-ROM 200 enters the housing 20.
Embed. As shown in FIG. 13D, the sub-tray 90
The CD is kept horizontally floating from the main tray 80.
-The ROM 200 moves at the height of H1 in a horizontal posture.
The height H1 is equal to the height H1 when clamped, which will be described later.
Disk cartridge having the same height and described later
Height of rewritable disc (PD) when loading 300
It is almost the same height as. The CD-ROM 200 has a turntable 3
5 enters the space 210 between the clamper 61 and
You. The space 210 is a space where the width of the narrowest part is e.
is there. The width e is slightly smaller than the thickness t1 of the CD-ROM 200.
large. The width e is equal to the width of the disc cartridge 300 described later.
Is smaller than the thickness t4. The fender portion 90g of the sub-tray 90 is
Press the shutter locking roller 73 of the shutter
The shutter early opening mechanism 70 is shown in FIG.
The first arm 71 is operated as shown in FIG.
And the second arm 72 are bent, and the second arm 7
The protruding portion 72b at the tip of 2 rises and is proposed on the guide wall 81f.
And is locked to the back side of the locking portion 81d. When the disk drive 10 is in the state shown in FIG.
Then, the stopper 93 is recessed in the side wall 23 of the housing 20.
Portion 25, and up to that point, by the side plate portion 82 of the side wall 23.
The clockwise rotation restriction, which had been
The stopper 93 is rotated clockwise by being pushed by the member 92
Then, the fixing of the rack member 92 is released. Also, Mei
The tray 80 hits a stopper (not shown). Yo
The main tray 80 stops moving in the Y1 direction,
Only the locking member 92 further moves in the Y1 direction. The movement of the rack member 92 at this time causes
First, as shown in FIGS. 11A and 11B,
The edge 92c-1 of the hole 92c pushes the protruding column 90m,
When the ray 90 is opposed to the tension coil spring 91, the main
The cylindrical projection 9 is moved in the Y1 direction with respect to the ray 80.
0k and 90l are guided by the inclined grooves 82a and 82b and move.
Then, as shown in FIG.
No. Second, the arm 92b of the rack member 92 is
A protruding pillar 43b at the tip of the arm 43b of the gear arm 43;
1 and the gear arm 43 is rotated counterclockwise,
The lowering mechanism 40 operates. That is, slide through the gear 42
The member 41 slides in the X2 direction, and the oblong slot 41a is
4, the driver mechanism 30 is rotated in the direction A, and
The turntable 35 is moved upward as shown in FIG.
Is done. The optical head 33 is also moved upward. As shown in FIG. 12, the turntable 35
Moves upward to a horizontal state,
Is fitted to the center hole 200a of the CD-ROM 200.
And the turntable 35 stores the CD-ROM 200
support. Also, the turntable 35 is raised up to a horizontal state.
When the first permanent magnet member 3 moves, as shown in FIG.
5a sucks the suction plate 62, and the suction plate 62
The first permanent magnet member 35a being separated from the stone member 64
And the clamper 61 clamps the CD-ROM 200
Pump. In this state, the motor 32 drives the CD-R
The OM 200 is rotated and reproduced by the optical head 33.
It is. The operation of ejecting the CD-ROM 200 is performed by the motor 4
5 is performed by reversing. Motor 45 rotates reversely
Then, the above mechanisms are reversed in the reverse order
Work in the direction. That is, the slide member 41 moves in the X2 direction.
Sliding, the driver mechanism 30 is rotated in the direction B,
The table 35 moves down, the clamper 61 is separated, and C
The clamp of the D-ROM 200 is released and the sub-tray 9
0 is moved up and the CD-ROM 200 is placed on the sub-tray 90
And the slide member 41 returns to the set position.
Then, the tray assembly 13 is moved in the Y2 direction. tray
As the assembly 13 moves in the Y2 direction, the shutter
The opening mechanism 70 returns to the original state shown in FIG. An 8 cm CD-ROM is also mounted as above.
Is done. [Mounting operation of disk cartridge] (Mainly, FIG.
Next, the operation for mounting the disk cartridge 300 will be described.
Will be described. Here, the disk cartridge 300
explain about. The disc cartridge 300 is shown in FIG.
4, a cartridge provided with a shutter 301
302 has a rewritable disc 303 housed therein.
is there. The shutter 301 moves in the X1 direction and is shown in FIG.
Open as you like. As shown in FIGS. 15A and 15B, the operator
As shown in FIG.
Place on top. This operation is performed as shown in FIGS.
This is performed as shown in FIG. The operator can use the disc cartridge
Cartridge 300 as shown in FIG.
01 facing the front side, holding the front side in an inclined position with the front side lowered,
Touch the front side to the front edge receiving portion 90h,
300 is pushed so as to be pushed into the disk device 10. This
As a result, the sub-tray 90 is
Is moved in the Y1 direction. At this time,
The rising 90k and 90l are guided by the inclined grooves 82a and 82b.
When the sub tray 90 moves, as shown in FIG.
Sinks slowly. The disc cartridge 300 is shown in FIG.
6 (C), the sub-tray 90 is completely sunk.
(See FIG. 21D), the disc cartridge 300
Is completely accommodated in the main tray 80, and
Looking at the front edge receiving portion 90h pushed in the Y1 direction
And a rear edge receiving portion on the rear side (Y2 direction) of the main tray 80
84 with the spring force of the spring 91
In, it is placed. The disk cartridge 300 was placed.
Then, an operation button (not shown) is pressed. By this operation, FIG.
As shown in FIG. 1 (A), the motor 45 starts and rotates forward,
Through the pinion 47, the rack member 92 is
As shown in (B), the tray is driven in the Y1 direction to assemble the tray.
The body 13 together with the disk cartridge 300 is
As shown in (C), the housing is moved in the Y1 direction and
17 into the position shown in FIGS. 17 (A) and 17 (B).
Then, the fixing of the rack member 92 is released, and the rack member 92 is released.
Only the member 92 further moves in the Y1 direction, as shown in FIG.
Move to the position. The rewritable disc 303 is shown in FIG.
As shown, the position of the height H1 is moved while being kept horizontal.
I do. The sub-tray 90 is shown in FIG.
As described above, the main tray 80 is kept sunk.
Disk cartridge 300 enters housing 20
Immediately, the concave portion 301a of the shutter 301
Engage with the shutter locking roller 73 of the opening mechanism 70,
Press the cutter locking roller 73. This allows the shutter to open early
The operating mechanism 70 is operated as shown in FIG.
That is, the first arm 71 and the second arm 72 are bent.
While rotating so that the shutter locking roller 73 is
In the process of moving along the guide slit portion 52c,
The shutter 301 is opened as shown in FIG. FIG.
The middle, between the first guide slit portion 52c and the round opening 51
As can be seen from the positional relationship, the shutter 301
The tip of the cartridge 300 in the insertion direction is
By the time you reach the position, it is fully opened. That is,
The tab 301 is quickly opened. The shutter locking roller 73 is
When moving along the second guide slit 52d
Is the position where the shutter locking roller 73 has moved in the X1 direction.
And the shutter 301 is kept open.
You. In addition, as shown in FIG.
The second arm 72 is bent, and the second arm 72 is
A state in which the protruding portion 72b at the tip is locked on the back side of the locking portion 81d.
State. When the shutter 301 is opened, the cartridge
The bar 304 is exposed on the jig 302. This bar 304
Rewrite smaller than the thickness t4 of the disc cartridge 300
The thickness t3, which is slightly larger than the thickness t2 of the
And located at the center in the height direction of the cartridge 302.
ing. Therefore, as shown in FIG.
Through the space 210 between the table 35 and the clamper 61.
Get through. The rewritable disc 303 following the beam 304 is also empty
Enter within the interval 210. The clamper 61 moves the upper side of the beam 304 relatively.
To expose the upper plate 305 of the cartridge 302.
Relatively into the opening 306. Turntable 3
The fifth hub 35b relatively passes under the beam 304.
The opening 3 of the lower plate 307 of the cartridge 302.
08 relatively. Therefore, the disk cartridge 300 is
Do not collide with the turntable 35 and the clamper 61.
Inserted. Movement of the rack member 92 alone at the final stage
As a result, the lifting mechanism 40 is operated in the same manner as described above.
The driver mechanism 30 is rotated in the direction A,
The bull 35 is moved upward as shown in FIG.
The optical head 33 is also moved upward. Turntable 35 is water
When moving up to the flat state, as in the case described above, FIG.
As shown in FIG. 3, the rewritable disk 303 is
At the position, clamp on the turntable 35 with the clamper 61.
Will be In this state, the rewritable type is
The disk 303 is rotated, and the information is
Information signal is recorded, and the recorded information signal is reproduced.
It is. Also, a pin 3 for positioning the disk cartridge is provided.
7a and 37b pass through the round hole 81b and the long hole 90d.
Fits in positioning hole (not shown) of cartridge 302
Then, the disk cartridge 300 is positioned. As with the CD-ROM ejection operation, the
The operation for discharging the cartridge 300 is performed by the motor 45.
This is done by reversing. Motor 45 reverses
And the above mechanisms are reversed in the reverse order to the above
Operates and the clamp of the rewritable disc 303 is released.
Then, the disc cartridge 300 is ejected.
You. As described above, according to the first aspect of the present invention,
According to Ming, a bare disc is loaded with a disc cartridge.
The same height as the disk in the cartridge when loaded
Under the condition of clamping at the
When the disk is transported into the disk drive,
The sub-tray on which the disc is placed
The bare disk in the sub-tray.
Compared to the configuration that pushes up and clamps more,
Slightly increase the height of the sub-tray when transported into the
The height of the turntable motor
It is possible to make the disk drive thinner
come. Also, the shutter of the disk cartridge is
When there is no shutter opening mechanism that opens early
When the turntable and clamper hit the shutter
Must be located at no height position. Against this
According to the first aspect of the present invention,
Shutter opening mechanism that opens the shutter of the cartridge early.
The turntable and clamper are
Can be arranged without considering the data
Can be moved to a higher position and the clamper
Can be moved to a lower position,
Can be made thinner. The sub-tray has a tray assembly that is bare.
When the disc is loaded or empty
When the shutter is opened, a part of the shutter opening mechanism
Press to update the fender to operate the shutter opening mechanism.
The tray assembly is a bare disk
With the disk mounted or empty.
When opening the shutter, the shutter opening mechanism
I can do it. The main tray is provided with a sub tray
Return the shutter opening mechanism pushed back by the
It is configured to further have a locking part to lock so as not to
The bare disk is placed on the tray assembly.
Is empty and pulled into the disk drive.
So that the shutter opening mechanism does not cause any inconvenience.
You can do it.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a disk device according to an embodiment of the present invention. FIG. 2 is a plan view showing the disk device according to one embodiment of the present invention with an upper assembly and a tray assembly removed. FIG. 3 is a diagram showing a state where the tray assembly of the disk device according to the embodiment of the present invention is pulled out. FIG. 4 is an exploded perspective view of the upper assembly in FIG. FIG. 5 is an enlarged view showing a clamper and a turntable in FIG. 3 (B). FIG. 6 is a view showing a shutter early opening mechanism of the upper assembly. FIG. 7 is an enlarged view of the tray assembly in FIGS. 3A and 3B. FIG. 8 is a sectional view taken along line VIII-VIII in FIG. FIG. 9 is a diagram illustrating an operation of placing a CD-ROM on a tray assembly that has been pulled out. FIG. 10 is a diagram illustrating a state where a tray assembly on which a CD-ROM is placed is drawn into a housing; FIG. 11 is a diagram showing a state where a CD-ROM is clamped. FIG. 12 is an enlarged view showing a state where the CD-ROM is clamped. FIG. 13 is a diagram illustrating the operation of each unit of the disk device when a CD-ROM is mounted. FIG. 14 is a perspective view of a disk cartridge containing a rewritable disk (PD). FIG. 15 is a diagram illustrating a state where the disk cartridge is placed on a tray assembly from which the disk cartridge is pulled out. FIG. 16 is a diagram illustrating an operation when the disk cartridge is placed on the tray assembly that has been pulled out. FIG. 17 is a diagram showing a state where a disk cartridge is mounted. FIG. 18 is a diagram illustrating a state where a shutter of the disk cartridge is opened. FIG. 19 is a diagram illustrating a state in which the disk cartridge with the shutter opened has entered between the clamper and the turntable. FIG. 20 is an enlarged view showing a state where the disk in the disk cartridge is clamped. FIG. 21 is a diagram illustrating the operation of each unit of the disk device when a disk cartridge is mounted. FIG. 22 is a diagram showing a conventional disk device. DESCRIPTION OF SYMBOLS 10 Disk device 11 Main assembly 12 Upper assembly 13 Tray assembly 20 Box-shaped housing 21 Step 22 Bottom plate 23 Side wall 24 Step 25 Depression 30 Driver mechanism 31 Base plate 32 Motor for turntable 33 optical head 34 optical head moving mechanism 35 turntable 35a first permanent magnet member 35b convex hub 36 leaf springs 37a, 37b pin for disc cartridge positioning 40 elevating mechanism 41 slide member 41a inclined long hole 41b rack 42 gear 43 Gear arm 43a Sector gear 43b Arm 43b-1 Protrusion 44 Pin 45 Motor 46 Reduction mechanism 47 Pinion 50 Top plate 50A Upper surface 50b Lower surface 51 Round opening 52 First guide slit 52a Start end 52b End 52c First guide slit 52d 2nd mo Id slit 52e Wide opening 53 Second guide slit 53a Start 53b End 60 Clamp mechanism 61 Clamp 61a Flange 62 Ferromagnetic attraction plate 63 Holder 63a Open 63b Flange 64 Second permanent magnet member 65 Plate-shaped yoke 70 Shutter quick opening mechanism 71 First arm 72 Second arm 72b Projection 73 Shutter locking roller 73a Small diameter portion 74 First torsion spring 75 Second torsion spring 76, 77 Pin 80 Main tray 81 Bottom plate Part 81a Large opening 81b in the center Round hole 81d Standing wall-shaped engaging part 81e Standing wall part 81f Standing guide wall part 81g Spring hook part 81h Opening 82 Side plate parts 82a, 82b Inclined grooves 82a-1, 82b-1 Inclined groove part 82a −2, 82b−2 Horizontal groove 84 Standing wall-shaped rear edge receiving part 85 Beam part 90 Sub Lay 90a 12cm CD-ROM mounting portion 90b 8cm CD-ROM mounting portion 90c Large opening 90d Long holes 90e, 90f Projection 90g Center beam-shaped fender portion 90h Center wall-shaped front edge receiving portion 90i Spring hook portion 90j Upper surface 90k, 90l Cylindrical projection 90m Protrusion column 91 Tension coil spring 92 Rack member 92a Recess 92b Arm 92c Long hole 92c-1 Edge 200 12cm CD-ROM 210 Space between turntable 35 and clamper 61 Disk cartridge 301 Shutter 301a Recess 302 Cartridge 303 Rewritable disc 304 Bar 305 Upper plate 306 Opening 307 Lower plate 308 Opening

Claims (1)

(57) [Claim 1] A disk device having a tray assembly on which a bare disk can be mounted and a disk cartridge in which a disk is stored in a cartridge can also be mounted. And a main tray having a trailing edge receiving portion which has a shape substantially corresponding to the disc cartridge and which receives the trailing edge of the disc cartridge. A sub-tray having a bare disk mounting portion, a leading edge receiving portion for receiving a leading edge of the disk cartridge, and a sub-tray moving up and down with respect to the main tray, and In a state where the dimension between the front end receiving portion of the sub-tray and the dimension in the longitudinal direction of the disk cartridge is slightly shorter, the sub-tray is slightly floating from the main tray, and When the sub-tray is moved in the depth direction of the disk device with respect to the main tray, the sub-tray sinks and is supported to move downward with respect to the main tray. A sub-tray moving mechanism for moving the sub-tray with respect to the main tray in a depth direction of the disk device so that the sub-tray sinks with respect to the main tray when the three-dimensional object is drawn into the disk device; The disk cartridge pushes the front edge receiving portion of the sub-tray at the front edge thereof to move the sub-tray with respect to the main tray in the depth direction of the disk device, and to sink the sub-tray with respect to the main tray. Is placed between the trailing edge receiving portion of the main tray and the leading edge receiving portion of the sub-tray, The sub-tray is placed on the bare disk mounting portion of the sub-tray, and the sub-tray sinks with respect to the main tray, and is clamped on the turntable at the height of the original sub-tray slightly floating above the main tray. Being operated by being pushed by the front edge of the disk cartridge drawn into the disk device together with the tray assembly,
A shutter opening mechanism for opening a shutter of the disk cartridge before the front edge of the disk cartridge reaches the position of the turntable and the clamper, wherein the sub-tray is a state where a disk with a bare tray assembly is placed thereon; Or a fender portion for operating the shutter opening mechanism by pressing a part of the shutter opening mechanism when the shutter tray is pulled into the disk device in an empty state, wherein the main tray is pushed and displaced by the fender portion of the sub-tray. A disk device, further comprising a locking portion for locking the shutter opening mechanism provided so as not to return.