JPS6234353A - Disk reproducing device - Google Patents

Abstract

PURPOSE:To execute smoothly loading and recovery of a disk by providing an inclined part for obstructing movement of the disk in the horizontal direction, on a receiving and supporting part of a lift ring for receiving and supporting the disk at the time of loading/recovery of the disk. CONSTITUTION:A lift ring 109 ascends slightly before a disk 3 is drawn out completely from a case by backward motion of a catcher mechanism, and the disk 3 is received and supported by an inclined part 109a of the lift ring 109, by which a shock to the disk 3 caused by a head between the case 2 and a turntable 110 is avoided. Subsequently, the lift ring 109 descends, by which a center hole 3a of the disk 3 is fitted correctly to a disk rotation driving mechanism 10.

Description

[Detailed Description of the Invention] Industrial Application Field The present invention is for disk reproduction! The device, more specifically, has the function of taking out a disc from a disc-stored case inserted into the device and storing it in a predetermined part of the VC device, while also collecting and storing the loaded disc into an empty case inserted into the device. This invention relates to a support structure for a disc playback device that allows loading and retrieval of discs without directly touching the discs.

BACKGROUND ART A conventional lift ring that supports a disk is composed of a smooth part that supports the disk and an inclined part that guides the disk to the center position. It is engaged in a central position and no horizontal movement occurs.

Problems to be Solved by the Invention In such a disk support structure, the disk and indigo are held between the case by inserting the disk-stored case deep into the device, and the disk is held in the vc position by pulling out the case. If it is a conventional playback device that allows you to store the disc by inserting an empty case deep into the device and pulling out the case to retrieve a vcW-completed disc, there will be no problem with the 7 ring. A catcher mechanism is provided for automatically taking out a disc from a disc-stored case inserted into the device and loading it into a predetermined part in the device, and automatically storing a loaded disc in an empty case inserted into the device, Disc playback devices that are capable of automatically loading and retrieving discs suffer from the following problems.

When inserting a sleeve and loading a disc, the Hakama Yatcher mechanism that holds the disc moves backward and raises the lift ring a little before the disc is completely pulled out from the case, supports the disc, and lifts the disc with the lift ring. The disc is completely pulled out from the case while being supported, and the disc is lowered onto the turntable while being engaged with the center cap while being supported. With conventional lift rings, if the disc is supported before it is completely pulled out from the case, it will come into contact with the slope of the ring, making the disc support unstable and the height of the supported disc not determined. Malfunction may occur. In addition, when recovering a loaded disc, the disc loaded on the turntable is supported and raised by a lift ring, the disc is held by the catcher W1 mechanism, the disc is moved forward, and the disc is placed inside the case. Start storing. The disc must be supported up to the height of the case opening until it begins to be stored in the case.

If it is a conventional lift ring, the ring and the disc are completely engaged and cannot be moved horizontally, so the disc cannot be supported and cannot be recovered until the disc begins to be stored in the case. becomes. Even if the disc can move horizontally along the slope of the lift ring, the height of the disc support will become unstable, and the height of the case opening will not match the height of the support disc. If the disc cannot be stored or the disc is inside the case.
Even if the disk starts to be retracted, if the height of the supporting disk is not fixed, there is a risk that the recording surface of the disk will be damaged.

An object of the present invention is to solve the above-mentioned problems, and to make it possible to pull out a disc from a case and place it on a turntable smoothly and reliably.

It is an object of the present invention to provide a disc playback device that can smoothly and reliably store a played disc in a case.

Means for Solving the Wide Problem The present invention takes out a disc from a disc storage case inserted into a device and automatically places it in a predetermined part of the device! [
On the other hand, Kifture I! automatically stores the 11-completed disc in the empty case inserted into the device. The fEll! disc playback system is equipped with a mechanism that allows you to load and retrieve discs without touching them directly. When loading the disk and when recovering the disk, the receiving portion of the lift ring that supports the disk is provided with a smooth part that allows the disk to move in the horizontal direction, and the disk is preset on the lift ring. This disc playback device is characterized in that it is provided with an inclined portion that prevents movement in the horizontal direction within a range.

Function According to the present invention, when a disc is loaded, a smooth part is provided in the support part of the lift ring that supports the disc when the disc is loaded, and when the disc is recovered, the disc is provided with a smooth part that allows the disc to move in the horizontal direction. Since we have provided a sloped part that prevents horizontal movement within the area where the disc is located, it is possible to insert the sleeve, pull out the disc from the case, and place the disc on the turntable smoothly. , the loaded disc can be stored smoothly in the case, and the catcher mechanism releases the disc and lifts the horizontal movement due to inertia when the disc tries to follow the catcher mechanism and retreats further. 7) The disc is supported by the ring and can be loaded securely into the center cap without damaging the disc recording surface and with a minimum number of parts. It can be effective.

Embodiment An embodiment of the present invention will be described in detail below based on FIGS. 1 to 14.

FIG. 1 is a partially cutaway perspective view of a sleeve 1 applied to the disc playback device of this embodiment, and the sleeve 1 is connected to a case 2 and an i! - Consists of a lead disc 3 and a lid 4 that covers the opening of the case 2. The above case 2 is made of plastic etc.
The opening side 1111M of the 6 case 2 is formed into a rectangular bag shape with an opening at one end, and the lid 4 is removably attached to the opening (-gA in Fig. 1).
Engagement recesses s2a are formed in the case 2 (only the edge is shown), and engagement protrusions 4 formed on both side edges of the case 4 (only one side edge is shown in FIG. 1) are formed in the case 2. By engaging with the corresponding engagement recesses 2a of the case 2,
The lid 4 is attached to the opening of the case 2, and the disc 3 is thereby housed in a fixed position within the case 2.

The engagement between the cases 2 and 14 in the sleeve 1 is
Case 2 is installed in the disc playback device of this embodiment, which will be explained next.
is inserted and the disc is released only when a predetermined lock hv of the disc playback device operates, and the disc 3 can be taken in and out of the case 2 only by the action of a predetermined fi MY in the disc playback device. If the lower part of the disc 3 is touched directly by the hand, then it is time ii! be done.

As schematically shown in a plan view in FIG. 2, the disc playback device of this embodiment has an opening 8 that allows insertion of the sleeve 1 and enlarges the opening of the case 2. Key 7 to take out the structure 5, the lid 4 and the disc 3 from the teeth 2
A rail W1 structure 7 that suspends the catcher mechanism 6 so as to be movable in the longitudinal direction of the device.
, a drive mechanism 8 for moving the catcher mechanism 6 forward and backward, a lifting mechanism 9 for lifting and lowering the disk 3, and a disk rotation drive mechanism 10 for supporting and rotating the disk 3.
It is composed of. Each of these mechanisms is configured as described below.

[11 Opening mechanism 5 r53 FIG. Sleeve guides r12 and 13 for guiding the inserted sleeve 1 are respectively formed in the sleeves.

Also, at positions that are left and right at a predetermined distance from the middle position on the rear edge side of the opening chassis 11, opening levers 14 and 15 that act on the opening of the case 2 are respectively mounted on shafts 16 and 16.
．． It is pivotally mounted via 17 so as to be swingable.

An opening connecting bar 18 is disposed on the opening chassis 11, and an opening connecting bar 18 is provided to protrude from the opening chassis 11 through long holes 18a and 18b formed at both left and right ends of the opening connecting bar 18.
．． 20 are engaged with each other. As a result, the opening connecting bar 18 is only allowed to move to the left and right, and is urged rightward in FIG. 3(a) by the tension spring 21 connected between the opening connecting bar 18 and the opening chassis 11. An idle roller 23 is rotatably mounted on the upper surface of the opening connecting bar 18 via a shaft 22.

At both left and right ends of the opening connecting bar 18 corresponding to the disposed portions of the opening levers 14, 15, working bins 24, 25 are protruded horizontally so as to allow the opening connecting bar 18 to move from side to side. Accordingly, the tail ends 14a of the opening levers 14.15 to which the working bins 24.25 respectively correspond;
15g to swing the opening lever 14.15.

In addition, a sleeve lock lever 27 is pivotally attached to an intermediate position of the sleeve 11 via a sleeve 26 so as to be able to swing up and down, and a torsion lever f228 wrapped around the sleeve 26 Above sleeve lock lever 27
is biased towards the upward swinging side.

[2] Catcher Mechanism 6 In FIG.
Rollers 33, 34, and 35 are rotatably mounted on the upper surface of the chassis 29 via sleeves 30, 31, and 32, respectively. When these a-ra 33, 34, and 35 engage with the aforementioned rail mechanism 7, the catcher mechanism 6 moves to the rail 8! It is suspended from the structure 7 so as to be movable along it.

An upper clamper 36 having a roughly 7-oak shape is integrally formed on the front edge side of the intermediate portion of the catcher chassis 29. Further, a lower clamper 37 having almost the same shape as the upper clamper 36 is arranged below the upper clamper 36.
Arms 8s37 and 37b formed on both sides of the rear end of the catcher chassis 29 are pivotally connected to left and right bent portions 29m and 29b integrally formed on the catcher chassis 29 via pongee strings 38 and 39, respectively. As a result, the lower kuhunpa 37 is made to be able to swing up and down, and is urged upward by a tension spring 41 that connects a pin 40 protruding from one of the arms 37m to the catcher shaft 29. ing. A roller 43 is rotatably attached to one arm portion 37m of the lower clamper 37 via a separate shaft 42.

Further, on both the left and right ends of the front edge side of the two catcher chassis, there are operating claws 29c and 29d that can enter into the engagement portion between the case 2 and the lid 4 of the sleeve 1 mentioned above.
e, 29d, the left and right swing portions closer to the center l1l) portion are located at contact claws 29e, 29 that can abut against the front end surface of the ri4.
Furthermore, supporting claws 29gf29h, which can enter into the lower surface side of the lid 4, are integrally formed at positions closer to the middle portion of the hit claws 29e and -29F.

Furthermore, a catcher lever 45 is pivotally mounted on the catcher chassis 29 via a sleeve 44 so as to be able to swing in the horizontal direction.
It is biased clockwise in FIG. 3 (&) by a tension pin 46 connecting between the two. A roller 48 is rotatably attached to the upper surface of the catcher lever 45 via a sleeve 47, and four belt locking plates fixed to a timing belt 76, which will be described later, are locked to the pongee 47. In particular, according to 1, the catcher lever 45 is connected to a part of the timing belt 76.

Mtj Kikanayare Ii 45 lower ff11m1
The second uppermost bottle 5o is vertically installed, and this pin 50 is connected to the pin 50 shown in FIG.
) As shown in the lower cranno<37 bend 67 part 3Tel
By abutting the two, the swinging of the lower crank 1 (37) is restricted within a predetermined range.A pin 51 is provided protruding from the upper surface of the tip of the catcher lever 45. is configured to restrict the swinging of the catcher cam 52 by coming into contact with the catcher cam 52, which will be described next.

The catcher cam 52 is pivotably mounted on the catcher shear 29 via a port 53, and a tension spring 54 connects the catcher cam 52 and the catcher chassis 29 as shown in FIG. (Kaede) is biased counterclockwise.

A pin 55 is provided protruding from the upper surface of one end of the catcher cam 52, and its protrusion is such that the pin 55 can come into contact with a notch 77b of a connecting par 77, which will be described later, and which is arranged above the catcher cam 52. A lily is set. On the upper surface of the other end of the catcher cam 52'', a release lever 57 is swingable via a shaft 58 so as to be able to engage with a protruding pin 56. A tension spring 59 connects the tail end of the release lever 57 to the pin 55 of the catcher cam 52, so that the release lever 57 is rotated counterclockwise in FIG. The lever 57 and the pin 56 are biased toward the side where the engagement between the lever 57 and the pin 56 is released.

Also, on the lower surface of one end of the catcher cam 52 -
A pin 60 is vertically provided, and the pin 60 is positioned so as to come into contact with a bent portion 61a of a lid hanger connecting bar 61, which will be described below, by the swinging of the catcher cam 52.

Lid handles ff-64 and 65 are pivotably pivoted via tabs 62 and 63 at positions that are a predetermined distance from the middle part of the lower surface of the catcher chassis 29, respectively. Riffed Hand FF-64.6
5 are connected to each other via a connecting bar 61. That is, one end of the γ handle connecting bar 61 is pivotally connected to the tail end of the lid handle 64 via a pongee 66, while the other end of the lid hanger connecting bar 61 is connected via a shaft 67. It is pivotally connected to the other lid handle ff-as, and when one of the lid handles If-64 and 65 swings clockwise with the movement of the lid hanger connection bar 61, the other one swings counterclockwise. It is configured as follows. The connecting bar 61 of the lid 11 is biased to the right in FIG. These tip portions are regulated in a state in which they swing toward the center relative to each other. On the lower surface of the right side of the catcher chassis 29, there is a roller 69 that acts on the outer mechanism 9, the glue 7, and the tare par 93, which will be described later.
It is rotatably pivoted via 0.

[3 Rule structure 7] The rail IfivI7 is equipped with a rail 71 extending from the opening mechanism 5 arrangement part at the front of the device to the rear of the device as shown in FIG. The rollers 33, 34, 35 are attached to the track edges 71 on both sides of the rail 71.
By engaging with the rails 71a and 71a, the catcher mechanism 6 is suspended so that it can run freely in the longitudinal direction of the device along the rail 71.

As shown in FIG. 3(a), a timing belt pulley 73 is rotatably mounted on the front lower surface of the rail 71 via a shaft 72, while a third timing belt pulley 73 is rotatably mounted on the rear lower surface of the rail 71.
As shown in figure (b), another timing belt pulley 7
4 is rotatably connected via a sleeve 75, and a timing belt 76 is connected between these timing belt pulleys 73 and 74.
The stake has been passed. Further, an interlocking bar 77 is supported on the lower surface side of the rail 71 so as to be freely displaceable back and forth. For its support, as shown in FIG.
3(b), one end of an interlocking cam 81 pivotally attached to the rear lower surface of the rail 71 via a sleeve 80, and the rear of the interlocking bar 77. This is accomplished by pivotally connecting the end portions of the interlocking bar 77 through sleeves 82, which allows the interlocking bar 77 to move approximately linearly in the front-rear direction, while restricting its backward movement within a predetermined range. Also, the above is linked. Further, the interlocking bar 77 and the rail 71 are connected by a tension spring 84.
is biased before the ylcl prefix.

[4] Drive rock structure 8 Main chassis (Symbol 83 in Figures 10 and 11)
A drive gear 86 is rotatably attached to a predetermined position corresponding to the rear part of the rail 71 on the upper part of the rail 71 via a sleeve 85. The gear part 74 is configured to mesh with a gear part 74a formed at the lower end part of the gear part 74. A pulley gear 88 is rotatably mounted on the fin chassis 83 via a shaft 87, and a gear portion 88a of the pulley gear 88 is configured to mesh with a large diameter gear portion 86b of the drive gear 86. There is. A drive motor 89 is separately installed on the main shaft 83, and this drive motor 89
The brake 90 attached to the output shaft and the pulley gear 88
A drive transmission belt 91 is passed between the two.

[5] Elevating and lowering mechanism 9 At a predetermined position corresponding to the rear right edge of the rail 71 on the main chassis 83, a 7-turret par 93 is pivotally mounted via a sleeve 92, and this 7-tall par 93 A part of a connecting rod 95 is pivotally attached to one end of the connecting rod 95 via a pongee 94.

[6] Disk Rotation Drive Mechanism As shown in FIG. A DD motor 10'7 is installed.A cylindrical lift ring 109 is fitted into the outer periphery of the upper half of the cylindrical base 108, which rotates together with the Kaisho Tsumugi 10 (3), so that it can freely move up and down. At the upper end of the lift ring 109, three branch pieces 109a for supporting the disc 3 are formed inwardly.A turntable 110 is fixed at the upper end of the cylindrical base body 108, while A truncated conical center cap 111 that can be fitted into the center hole 3a of the disk 3 is fitted into the rotating shaft 106 so as to be movable up and down, and is interposed between the center cap 111 and the upper end of the cylindrical base 108. The turntable 110 has a notch 11 that avoids each branch piece 109a of the lift ring 109.
It has a center hole 113 formed with a diameter of 3a, and
Projections 110m and 110b for supporting the disk 3 are provided on the upper surfaces of the outer circumferential portion and the inner circumferential portion, respectively.

In addition, at the upper end of the cylindrical base body 108, disk holding levers 114 are pivotally mounted at positions corresponding to the portions 109a of the lift ring 109 so as to be able to swing up and down. ing. Then, there are defects s111a formed around the periphery of the center cube 111.
- Each of the above-mentioned disk presser levers 11 protrudes further upwards.
The presser claws 114a of 4... are formed in an inverted shape facing in the circumferential direction, and these discs are held by a compression spring 115 installed on the Nissin 108a at the upper end of the cylindrical base 108. The presser lever 114 is biased toward the upward swinging side.

As shown in FIG. 3(b) and FIG.
are pivotally connected to be able to swing up and down via a sleeve 118, and support pins 119 and 120 for lifting the lift ring 109 are installed horizontally at the tips of these seven levers 116° and 11°, respectively. . Also, one glue 7 Trevor 116
The proximal end of is pivoted to the aforementioned connecting rod 95 via the shaft 121. Support pin 11 of the lift lever 116
9 is connected to a vertically elongated hole (not shown) of a slider 22 provided to be able to move up and down, and this slider 122 and the support pin 120 of the lever 117 of the other lever 7
t* is set so that the ring 109 can be raised and lowered stably. Sly above! The vertical groove 122m and the vertical hole 122b formed at the -11 part and the other side of the motor chassis 122 are connected to the motor chassis 10.
It is fitted into id pins 123 and 124 protruding from the top of 5 and supported so as to be movable up and down.

Next, the operation of the disc reproducing apparatus of this embodiment will be explained separately for the case in which the disk 3 is loaded and the case in which the disc is removed from the apparatus.

[When inserting the sleeve 1 and loading the disc 3, the disc playback device is
When in the standby state shown in the figure, the groove 12m11 of the sleeve guide 12.13 of the sleeve 1 opening fi structure 5
When inserted along line 3g, sleeve 1 shown in figure #41 will appear.
The front end of the case 2W10 portion corresponding to the notches 4b and 4c formed at the front end of the 'fL4 of
:IIIIII[! Structure 5) [Role levers contact each other at 14° and 15.

If you press sleeve 1 further with your hand, the above dark lore/
f-14115 upper/lower slope fi14b, 14cm15
The opening of the case 2 is expanded vertically along lines b and 15e, as shown in FIG. 6, and the horizontal protrusions 11a and llb integrally formed on the open petri dish 11 are inserted into the opening of the case 2Wi. This and the front end of light case 2 are t53 (&)
The rear part 12b of the sleeve guide 12, 1-3 shown in FIG.
13b, where insertion of the sleeve 1 is prevented.
With the above insertion operation, the front end of the case 2 pushes the tail end 27a of the sleeve lock lever 27 as shown in FIG. 6, so the sleeve lock lever 27 swings downward against the screw spring 28. This moves the sleeve lock
<-27f) 9c The end WS 27b engages with the engagement hole 2b formed on the front upper surface of the case 2 shown in FIG.

On the other hand, the sleeve 1 is inserted into the sleeve guide 12.1.
Just before being blocked by the rear part 12t+, 13b of 3,
A sleeve detection switch (not shown) is activated, and the drive motor 289 begins to rotate counterclockwise. The drive motor 89 rotates by 990°, the drive transmission belt 91, the pulley gear 88, the drive gear 86, and the timing belt pulley 7.
3.74 to the timing belt 76, and the timing belt 76 rotates counterclockwise.

When the timing belt 76 begins to rotate counterclockwise,
The catcher mechanism 6, which is connected to the timing belt 7G via four belt retainers, begins to move forward. Along with this, the catcher lever 45 of the catcher 6 also tries to swing counterclockwise, but since the catcher lever 451 is biased clockwise by the tension spring 46, this swing is prevented. be done.

As the catcher m structure 6 moves forward, the pin 55 of the catcher cam 52 comes into contact with the front edge 771 of the notch 7711 of the interlocking bar 77 as shown in FIG. 8, and the interlocking bar 77 moves forward. Move towards. As the interlocking bar 77 moves forward, its front end crosses over the upper edge 27c of the sleeve lock lever 27 as shown in FIG. It is maintained in a state where it is engaged with the mating recess 2a. Furthermore, when the interlocking bar 77 moves forward, the idle roller 32 is guided by the cam edge 77e formed at its front end, and the opening connecting bar 18 is moved against the tension spring 21 to the left side in FIG. 3(a). Move to.

Along with the movement of the above-mentioned locking lever 18, the left and right locking levers 14.15, which are engaged with the opening connecting bar 18 via the working pins 24.25, are moved from the sleeve 1 as shown in FIG. The disk 3 is swung until it assumes a horizontal position that does not interfere with the insertion and removal of the disk 3. At this time, the lower edge of the opening of the case 2 has entered the lower side of the horizontal protrusions 11a and 11b of the opening shear 11 as shown in FIG. 7, so the opening of the case 2 is expanded vertically. It is kept in the same condition.

Catcher! As the flN 46 moves further forward, the upper clamper 36 is placed on the top side of the lid 4 of the sleeve 1, and the support claw 2 on the front edge of the catcher chassis 29 is placed on the bottom side of the lid 4.
9[1y19h is the notch 4b of the lid 4.

Ridhan in 4c? -64265 respectively enter, and the working claws 29e and 2'Jd formed at both left and right ends of the catcher shear 29 disengage the engagement protrusion 4a of the lid 4 and the engagement recess 2a of the case 2. Enter these darknesses.

When the contact claws 29e and 29f formed on the front edge of the catcher chassis 29 contact the front end of the lid 4 of the sleeve 1, the forward movement of the catcher mechanism 6 is blocked.

Since the drive motor 8 continues to rotate even after the catcher mechanism 6 stops, the catcher lever 45 thereafter swings counterclockwise against the tension spring 46. As the catcher lever 45 swings, one pin on the upper surface of the lever 45 (the removed pin 51 is connected to the catcher cam 52).
Accordingly, the catcher cam 52 is moved counterclockwise by the tension spring 54 to a position where it abuts the pin 51 as shown in FIG. to sway. Also, at this time, the pin 55 on the upper surface side of the catcher cam 52 is connected to the interlocking bar 77.
is disengaged from the notch 77b. The interlocking bar 77 is attached forward by the tension spring 84, and at this time, the pulley a-ra 23 of the opening connecting bar 18 is located at the cam edge 77cLf) of the front end of the interlocking bar 77. Even after the pin 55 is released from the notch 77b, the interlocking bar 77 is not pulled back rearward.

As the catcher lever 45 swings, the pin 50 on the lower surface of the catcher lever 45 separates from the bent portion 37e of the lower clamper 37, so the lower clamper swings upward under the bias of the tension spring 41. , the disk 3 is clamped between the lower clamper 37 and the upper clamper 36.

As the catcher cam 52 swings, the pin 60 on the lower side of the catcher cam 52 is bent at the bent portion 61a of the connected par 61.
3(a), the lid hanger connection bar 61 is pushed to the left in FIG. 3(a) against the tension spring 68.

As the lid hanger series connection par 61 moves, the left and right lid hangers e-64 and 65 swing in opposite directions and engage with the notches 4b and 4c of the M4 of the sleeve 1, as shown in Figure ttS9. match.

Catcher-8! In parallel with the forward movement of the mechanism 6 causing the catcher lever 45 to swing as described above, a front switch (not shown) for controlling the drive motor 89 is activated.
The drive motor 89 shifts to reverse drive. Drive motor 89
As the catcher 8 [6] starts to move toward the rear of the device, the lid 4 of the sleeve 1 and the disc 3 are connected to the catcher mechanism 6 as shown in Fig. It will be taken out from 2.

Shortly before the disk 3 is completely pulled out from the case 2 due to the backward movement of the catcher machine #1116, the lift ring 109 is raised as shown in FIGS. 10 and 10A by the operation described below. ring 1
The re-disk 3 is supported by the support portions 109a .

As the catcher W1 structure 6 moves backward, the roller 69 provided on the catcher chassis 29 comes into contact with the cam edge 93a of the rear lever 93 as shown in FIG.
The lever 93 swings counterclockwise as shown by the imaginary line in the figure. Since the connecting rod 95 moves rearward in conjunction with this moving body, the 7th lever 116 which is pivotally connected to this connecting rod via the shaft 121 and the 7th lever 117 which is integrated with this through the sleeve 118 is connected to the 10th lever. Swing clockwise as shown in the figure. The support pin 119 of this lever 116 lifts the slider 122, and the support pin 120 of this slider 122 and the other 97)k bar 117
As a result, the lift ring 109 is lifted. 7) By the receiving part 109a of the ring 109,
The disk 3 is completely pulled out from the case 2. Furthermore, due to the backward moving load of the catcher-a mechanism 6, the disk 3 is moved back to approximately directly above the center cap 111 of the disk rotation drive mechanism 10, and the lift is continued until the disk 3 is released from the grip by the operation described below. The supporting part 109a of the ring 109 moves in the horizontal direction while being supported on the upper part. As the catcher mechanism 6 moves backward, the 10th
10A, 11, and 11A, the roller 4 is pivotally connected to the arm portion 37m of the lower clamper 37.
3 is a cam edge 7 formed with a new curve on the rear lower surface side of the rail 71
1b, the lower clamper 37 swings counterclockwise, that is, downward, as shown in FIG.
Disk 3 should be released from being held between the two. Catcher!
! 6 releases the disk 3 and retreats further, the inclined portions 109b of the lift ring 109 prevent the disk 3 from following the catcher-IR mechanism 6 due to inertia, and the lift ring 109 described below As a result of the lowering of the disk, the disk rotation drive mechanism 10 is correctly a9II. However, the position of the inclined part 109 of the ring 109 is such that inertial movement is prevented there, and the lift ring 109 descends with the disc 3 supported, and the center hole 3 & of the disc 3 is aligned with the center cap 111. It is molded in a position that allows it to fit into the

When the key 7 chyer mechanism 6 further retreats and moves over the forward slope u 93 al of the cam edge 93a of the 7 tar lever 93 to the backward slope 93a2, the roller 59 on the lower surface of the catcher dish 2a moves to the backward slope 93a2. 116, 117, slider 122, 97, and the weight of the lift ring 109, the lift ring 109 swings back from the state shown by the imaginary line in FIG. 13 to the original state shown by the solid line. and lower to the original position as shown in Figure 11A. Therefore, the disc 3 is supported on the turntable 110 with its center hole 3 tc') inserted into the center cap 111.

When the catcher Iff mechanism 6 retreats to the rearmost part of the device, the roller 48 of the catcher lever 45 moves to the 11th moving bar 7' as shown in FIG. It abuts against the inner cam edge 81m of the interlocking cam 81 pivotally attached to the rear end, and! ! moving cam 81
The interlocking bar 77 swings clockwise as shown by the imaginary line in the figure against the tension spring 84 that urges the interlocking bar 77 forward, thereby causing the interlocking bar 77 to move backward.

With this backward movement of the interlocking bar 77, the idle roller 23 of the opening connecting bar 18, which had been located at the straight IIA portion of the cam edge 77c of the front j11S of the interlocking bar 77, moves to the cam edge 77.
The opening connecting bar 18 is guided by the inclined part e and moves to the right in FIG. As a result, the left and right opening levers 14 and 15 are swung from their horizontal positions to their original vertical positions, that is, to the standby state.
Return.

Further, as the interlocking par 77 moves backward, the front end of the interlocking bar 77 returns from the state shown in FIG. 7 to the state shown in FIG. This causes case 2 to disengage.
can be pulled out from the opening mechanism 5.

When the above-mentioned operations are completed and the catcher fiM6 reaches the rear end, a rear switch (not shown) is activated, and the drive motor 89 is stopped to become ready for regeneration.

E When collecting the disc 3 1 When taking out the disc 3 loaded in the playback device, insert the empty case 2 into the left and right sleeve 1 insertion 12 and 13 of the opening mechanism 5 in the same way as when inserting the sleeve 11. Groove g
When inserted along 12a and 13a, the lit opening mechanism 5
The inclined edges 14b, 14c, 15 of the opening lever 14.15 of
1+ and 15e expand the opening of the case 2 vertically, and the horizontal protrusions 11a and jib of the open chassis 11 enter into the opening of the case 2, as shown in the ttrJG diagram. At this time, the front end of the case 2 pushes the tail end s27a of the sleeve lock lever 27, so the sleeve lock lever 27 swings downward against the torsion spring 28, thereby causing the tip of the sleeve lock lever 27 to swing downward. 9276 engages with the engagement hole 2b of the case 2.

In parallel with this, the front end of the case 2 is connected to the sleeve guide 12.
Slightly before insertion of the empty case 2 is blocked, a sleeve detection switch (not shown) is activated.

By the operation of the sleeve detection switch, the drive motor 89 of the drive mechanism 8 is activated as in the case of inserting the sleeve 1 described above.
rotates counterclockwise. The rotation of the drive motor 89 is transmitted to the timing belt 76, and the timing belt 7G begins to rotate clockwise. As a result, the catcher 8 connected to the timing belt 76! The structure 6 moves forward.

When the catcher mechanism 6 moves forward, the roller 49 provided on the upper surface of the catcher lever 45 moves forward as shown by the solid line in the figure from the previous state shown by the imaginary line in Figure i@12. Accordingly, the interlocking cam 81 has its inner cam edge 81a pushed by the roller 48 and swings counterclockwise. This action causes IS, which had been retreating until then, to
Par 77 moves forward.

As a result of this forward movement of the interlocking bar 77, the front end of the interlocking bar 77 moves upwardly above the sleeve lock lever 27 as shown in FIG.
The sleeve lock lever 27 is prevented from swinging back upwardly, thereby preventing the case 2 from being pulled out.

On the other hand, as the interlocking bar 77 moves forward, the interlocking par 77
The idle roller 23 of the opening connection par 18 is guided by the cam edge 77c at the front end, and in conjunction with this, the opening lever 14.1
5 swings until it assumes a horizontal position that does not interfere with collecting the disc 3 into the case 2. Separately from this, as the catcher mechanism 6 moves forward 61S, the row 269 on the lower surface of the catcher chassis 29, which had been in contact with the cam edge 93a1 of the lever 93, touches the peak of the cam edge 93a. As it crosses over, the 7-turn bar 93 swings counterclockwise as shown by the Vi line in FIG.
This movement is transmitted to the connecting rod 95 and the levers 116 and 117, and the lever 109 is raised. On the way up to 7 Tring 109, until then 7 Tring 1
The disk holding lever 114, whose base end 114b was held down by the receiving portion 109a of No. 09, is compressed by a compression spring.
15 moves upward to release the pressure on the disk 3, and the ring 109 supports and supports the disk 3.
...Catch it on top and lift it up.

Until then, the cam edge 7 of the rail 71 as shown in FIG.
The lower clamper 37, which has been swinging downward by 1b, is moved to the catcher position in parallel with the lifting of the disk 3.
8! As the vI6 moves forward, it swings upward as shown in FIGS. 10 and 10A, and the disk 3 is clamped by the upper clamper 36.

As the catcher mechanism 6 continues to move forward, the disc 3 sandwiched between the upper and lower clampers 36 and 37 moves horizontally on the smooth part of the lift ring 109, and the disc 3 begins to be inserted into the case 2, and the center of the disc 3 Before the hole 3a and the inclined portion 109 of the lift ring 109 come into contact with each other, the lift ring 109 is lowered by the operation described below, and the movement of the disk 3 and the catcher mechanism 6 cannot be prevented.

Roller 69 of catcher mechanism 6 Beam 7 Tar lever 93
Moving to the front inclined portion 93a of the cam edge 93a, the lever 93 swings clockwise from the state shown by the imaginary line in FIG. This movement is transmitted to the levers 116 and 117 via the connecting rod 95, and the lift ring 109 begins to descend, so that the lift ring 109 is connected to the catcher mechanism 6.
does not impede forward movement.

When the catcher tfiM6 holding the disc 3 moves further forward, the tip of the release lever 57 engages with the pin 56 on the open chassis 11, so that the catcher tfiM6 further moves forward. 6 moves forward, the catcher cam 52 swings clockwise from the state shown in FIG. 9, and the pin 51 on the upper surface of the catcher lever 45 separates from the side edge 52b of the catcher cam 52. Further, due to the above-mentioned swinging of the catcher cam 52, the pin 60 on the lower surface side of the catcher cam 52 is moved to the bent portion 6 of the lid hanger connecting bar 61.
1a, the lid hanger connecting part 61 moves to the right in FIG. Unraveled.

On the other hand, due to the swinging of the catcher cam 52, the pin 55 on the upper surface side of the catcher cam 52 moves into the notch 1i of the interlocking par 77 as shown in Figure #IJ9. 7b. By the operations up to this point, the lid 4 and the disc 3 are completely inserted into the case 2.

When the catcher mechanism 6 reaches the frontmost position and its forward movement is blocked, and the catcher lever 45 further swings counterclockwise against the tension spring 46, a front switch (not shown) operates and the drive motor 89 is activated. begins to reverse, and the catcher fivet6 moves to the rear i side of the device.

Before the catcher mechanism 6 retreats due to the reversal of the drive motor 89, the pin 5 on the upper surface side of the catcher lever 45
The catcher lever 45 swings clockwise under the bias of the tension spring 46 until the catcher lever 45 comes into contact with the side edge 52a of the catcher cam 52, and after this operation, the catcher lever 45
Structure 6 begins to retreat.

As the catcher lever 45 swings, the pin 50 on the lower surface side of the catcher lever 45 comes into contact with and pushes the bent portion 37c of the lower clamper 37.
resists the tension bone 41 and swings downward as shown in FIG. 14, and the disk 3 is released from being held.

When the L4 rising disk 3 is inserted into the case 2 and the catcher mechanism 6 moves to the rear of the device, the catcher cam 52 tries to swing counterclockwise due to the bias of the tension spring 54. Time catcher lever 45
The pin 51 on the top side is connected to the side edge 52 of the catcher cam 52.
Since it is in contact with b, further swinging is prevented.

As the catcher mechanism 6 moves further backward, the pin 55 on the upper surface side of the catcher cam 52 comes into contact with the rear edge 77b2 of the notch 77b of the interlocking parr 77. It moves backward against the tension spring 84.

With the regression of linked par 77,! ! The swinging restriction of the sleeve lock lever 27 due to the front end of the IJ par 77 is released, and the sleeve lock lever 27 returns to its original upward swinging position as shown in FIG. The idle roller 23 of the opening connecting par 18, which was located on the straight part of the edge 77c, is guided by the cam edge 77e, and the opening connecting par 18 is biased by the tension spring 21 to the position shown in FIG.
) and move to the right. In conjunction with this, the left and right opening levers 14 and 15 return to their vertical positions, the opening of the case 2 is released from its expanded state, and the sleeve 1 can be pulled out.

Catcher fiN! When the disc 16 is retracted to the normal position fff, an intermediate switch (not shown) is activated to stop the drive motor 89, returning to the initial standby state 6. Thus, the disc 3 is recovered into the case 2.

Effects As described above, according to the present invention, when performing RAJt on a disk and when recovering a disk, a smooth portion that allows the disk to move in the horizontal direction is provided on the support portion of the lift ring that supports the disk, and Since the 7 ring has a sloped part that prevents horizontal movement within the range where the disc is, it is easy to insert the disc smoothly, pull the disc out of the case, and place the disc on the turntable. It also allows you to store the disc in the case smoothly, and also has a catcher.
1 (! When the mechanism releases the disk and moves backward, the horizontal movement of the disk due to inertia that tries to follow the catcher mechanism is blocked by the inclined part of the 97 ring, so the disk is supported by the lift ring. Since the disk can be reliably loaded into the center cap, the recording surface of the disk will not be damaged, and the effect can be achieved with a minimum number of parts.

[Brief explanation of the drawing]

Fig. fIS1 is a partially cutaway perspective view of a sleeve used in the disc playback device of the present invention, Fig. 2 is a schematic plan view of the main part showing one embodiment of the present invention, and Figs. 3 (a) and 3 (b) are respectively FIG. 4 is a vertical sectional view of the embodiment, FIG. 5 is an explanatory diagram showing the case being inserted in the middle, and FIG. 6 is an explanatory diagram showing the case insertion completed state. pp87
The figure is an explanatory diagram showing the locked state of the case, Figure 8 is a plan view showing the movement of the catcher cam when the catcher mechanism reaches the frontmost part, and Figure 9 is a diagram showing the catcher mechanism holding 6 and the disc. FIG. 10 is a vertical sectional view showing the state in which the disk is lifted onto the disk rotation drive mechanism by the lift [11], FIG. 10A is a partially enlarged view of FIG. 10, and FIG. The R sectional view and tlSIIA diagram showing the loaded state in the disk rotation drive mechanism are the first
A partially enlarged view of Fig. 1, Fig. 12 is an explanatory drawing showing the forward and backward movement of the interlocking bar, Fig. 13 is an explanatory drawing showing the movement of the lift 1i + free time M and the disc guide lifter, and Fig. 14 is an explanatory drawing showing the movement of the lower clamper. FIG. 1...Sleeve, 2...Case, 3...Disc, 6...Catcher-8! Structure, 7...Rail fi structure, 9...Furiisokare, 10...Disc rotation drive mechanism, 81...Interlocking cam, 109...S7 ring, 1
09a...Receiving branch, IQ9b...Slope branch agent Patent attorney Number of strokes Keiichi part 12 figure 13

Claims (1)

[Claims] While taking out a disc from a disc storage case inserted into the device and automatically loading it into a predetermined part in the device,
A disc playback device that is equipped with a catcher mechanism that automatically stores a loaded disc in an empty case inserted into the device, and that enables loading and retrieval of discs without directly touching the discs. , When loading the disk and when recovering the disk, a smooth part is provided on the receiving part of the lift ring that supports the disk, and the disk can be moved in the horizontal direction,
A disc playback device characterized in that a lift ring is provided with an inclined portion that prevents the disc from moving in the horizontal direction within a predetermined range.