JPS60236154A - Reproducing device of recording disk - Google Patents

Abstract

PURPOSE:To automatically take out a recording medium from its case, by providing a means which controls a cover locking means to unlocking condition in a segment of its carrying route when the cover locking means is carried in one direction by a carrying means. CONSTITUTION:In a recording disk reproducing device, cover locking members (cover locking means) 99 and 100 are controlled to an unlocking condition in the extent of a segment of the carrying route of the members 99 and 100, when a movable base (carrying means) carries the members 99 and 100 in one direction. Namely, the cover locking members 99 and 100 are respectively supported by pins 105 and 106 so that they can make horizontal rotation to the movable base. Under a ''cover and disk holding condition'', the following terminals 115 and 116 of the cover locking members 99 and 100 are respectively guided by cam grooves 113 and 114 and the members 99 and 100 are set to positions which control the cover. Therefore, a disk holding mechanism 90 can take three different conditions of ''cover and disk holding condition'', ''cover holding condition'', and ''non- holding condition'' and a recording medium can automatically be taken out from its case.

Description

[Detailed Description of the Invention] Industrial Application Field (1) This invention relates to a disk-shaped recording medium (hereinafter referred to as a disk).
Remove the disc from the disc case containing it, and
The present invention relates to a recording disk reproducing device that automatically reproduces data.

Conventional configurations and their problems Traditionally, in playback devices for high-density recording discs, such as video discs, as in Japanese Patent Application Laid-open No. 111158, the disc in a cylindrical disk case has been manually inserted into the back of the playback device. There are many playback devices that use a so-called semi-automatic loading method, in which the empty case is inserted until the empty case is inserted and the empty case is manually removed.

However, with this semi-automatic loading method,
There are various problems such as the need to move the case back and forth significantly when manually inserting and removing the case, and the difficulty of configuring a loading mechanism that operates perfectly even under severe user use. There was a problem.

Therefore, a lid release means for releasing the lid of the disc case,
The present invention proposes a playback device equipped with a means for pulling a disc from a disc case into the main body of the playback device (2). According to this, the user only needs to slightly insert the case, and the disk is automatically attached to the case, allowing playback. However, there was a problem with reattaching the lid to the case.

Purpose of the Invention This invention enables the user to automatically take out the recording medium from the case and enable playback by simply inserting the case slightly into the main body of the playback device. It is an object of the present invention to provide a recording disk reproducing device that can be smoothly reinstalled.

Composition of the Invention The recording disk reproducing device of the present invention includes a case main body which has a storage space capable of storing a disk-shaped recording medium therein and has an opening at one end for taking out the recording medium, and a case body which can be attached and detached from the opening. An apparatus using a disc case comprising a lid that can be engaged with the player, the player body having a playback means, and a lid release means for releasing the engagement between the opening of the case body and the lid; a latch (3) means for removably locking the lid; a transport means for reciprocating the latch and the recording medium within the main body of the playback apparatus; and a regulating means for regulating the latching means to a non-latching state in a part of the transfer route when the latching means is transferred in one direction.

With this configuration, when the user only slightly inserts the disc case into the main body of the playback device, the lid is released from the case by the lid release means, the lid is latched by the lid 11 locking means, and the disc is removed by the transporting means. It is pulled together with the lid to the playback position of the playback device. When playback is completed and the disk and lid are returned to their original positions by the transfer means, the latching means is regulated to an unlatched state by the regulating means near the end of its transfer path. Therefore, the lid can be reattached to the case.

Description of examples Embodiments of this invention are shown in FIGS. 1 to 24.

First, the outline will be explained. As shown in FIG. 6, the playback device main body 50 includes a chassis 40, an exterior case (4) 50a, a turntable 130, and an arm housing +20. The arm housing 120 mounts a reproducing head.

A movable base 91 moves back and forth on the chassis 40 (arrow x1
．． x2 direction), and a pair of claw-shaped release members 107 and 108 are provided at both ends of the movable base 91 to serve as a lid release means.
and a pair of lid retaining members 99 and 100 serving as a retaining means. The lid T++ stop members 99, 100 are horizontally rotatable. The movable base 91 is driven by a motor 114, and is further attached with an upper clamp arm 95 and a lower clamp arm 96 that clamp the lid 3 and the disc 6. These movable bases 91 and motor]1
4 and the clamp arms 95 and 96 constitute a transport means for transporting the lid 3 and the disc 6. The lid stop members 99 and 100 are slidable on the movable base 91 (Yl,
cam groove 11 of the sliding member 102 installed in the Y2 direction)
3,114 (FIG. 7), and the sliding member 102
rotation is regulated. This sliding member 102 constitutes a regulating means for regulating the latch (5) members 99, 100 to a non-latched state within a part of the transfer route. Next, the whole will be explained in detail.

FIGS. 1 to 4 respectively show the configurations of a disc and a disc case that can be used in the recording disc reproducing apparatus according to this embodiment. In Figure 1, disk 6
has a center hole 34 and a bank-like outer group guard 33
An inner group guard 32 is provided. In FIG. 2, a rectangular disk case 1 has a disk case main body 2 (hereinafter referred to as the case) and a lid that is removably connected to an opening 7 provided on the front side of the case 2 in the insertion direction XI into the device. 3.

The case 2 and the lid 3 are made of styrene resin, for example. The interior of the case 2 is a flat disk storage space 5 over its entire width and length, and a disk 6 is stored within this space 5. This space 5 has the opening 7 on the insertion direction X1 side, and is closed on the remaining three sides. As shown in the figure, the case 2 consists of a flat plate (6) part 8 having groove-like recesses 17 on the left and right sides, and protrusions 9, 10, and 11 along this three-sided edge. An engagement hole 13 is formed in the center near the opening 7, into which a protrusion of the lid 3, which will be described later, engages, and on the left and right sides of the opening 7, engagement holes 16, into which projections of the lid 3 engage, are formed. is formed.

The end of the lid 3 is provided with a flange portion 18 that closes the opening 7 of the case 2 when the lid 3 is engaged and fixed to the case 2.
A notch 19 is provided symmetrically about the center line (7) into which an expanding member, which will be described later, can enter.

A leaf spring 25 is further provided at the end of the lid 3 and has a protrusion 24 at its tip that engages with the aforementioned engagement hole 16 and fixes the lid 3 to the case 2 . The tip of the protrusion 24 is provided with an inclined portion 26 that engages with the release member of the lid 3.
The figure shows a state in which the disk 6 and the lid 3 are assembled into the case 2, and the disk 6 is locked in the depth and width directions. Furthermore, since the lid 3 engages with the case 2 to close the opening 7, the disc 6 is housed without falling out of the case 2.

FIG. 4 is a detailed view of the lid 3, and the shape of the lid 3 facing the disk 6 (7) is, for example, a circular arc with the gaps at both ends being thicker than the gap a in the center. This is to ensure stable operation even if the relative positions of the lid 3 and the disk 6 are slightly shifted in the Z direction during a playback operation to be described later.

FIGS. 5 and 6 show the recording disk reproducing apparatus of this embodiment. FIG. 5 is an external view of the recording disk reproducing apparatus, and as shown in the figure, a case insertion opening 51 is provided in the outer case 50a of the reproducing apparatus main body 50. Figures 6(A) to 6(C) show the basic configuration of a recording disk reproducing apparatus. 6th
In the figure (A), 130 is a turntable on which the disc 6 is placed and brought into playback mode. Reference numeral 131 has a center boss, which centers the disc 6 placed on the turntable 130.

Reference numeral 132 denotes a clamp, which presses the disc 6 placed on the turntable 130 into contact with the turntable 130. 40 is a chassis to which guides 52 and 53 for guiding the case 2 into the playback device main body 50 are fixed. Guides 52(8) a and 53a are guide grooves thereof. Reference numeral 60 denotes a case expansion mechanism, which is fixed on the chassis 40 near the case insertion opening 51. Reference numeral 66 denotes an expansion member supported by the fixed base 80 so as to be movable up and down, and the case 2 is expanded by the support member 61 fixed to the fixed base 80 . Fixed base 80 is fixed to chassis 40. Engagement member 6
2 is a fixed base 80 with a shaft 74. It is rotatably supported by a bearing 63 and functions to engage with the case 2 engagement hole 13. 90 is a disk holding mechanism. 95 is an upper clamp arm, which is formed integrally with the movable base 91. A lower clamp arm 96 is supported by a bearing 97 so as to be movable up and down, and the disc 6 is clamped between these arms. 99, 100 is a stopper member for the lid, and the bottle 105
．． 106, it is horizontally rotatably supported with respect to the movable base 91, and engages with the notch 19 of the lid 3 to lock the lid 3. A leaf spring 94 is attached to the movable base 91 at a position where it comes into contact with the lid 3.

Reference numerals 107 and 108 are claw-like release members formed integrally with the movable base 91 (9), and the slant 2 of the protrusion 24 of the lid 3
6 to release the engagement between the lid 3 and the case 2.

The movable base 91 of the disk clamping mechanism 90 has rails 45,
46.47, it is supported so as to be movable in the front-rear direction (X1, X2 directions). The rail 45 has grooves on both sides as shown in FIG. 6(B), and a roller 92 rotatably provided on a movable base 91 fits into the groove of the rail 45. Therefore, the disk holding mechanism 90 is
It never deviates from 6.47. The movable base 91 is fixed to the belt 111 by a connecting piece. belt 111
is hung between gears 112 and 113, and a motor 114 with a speed reducer drives the belt 111 to transport the disk holding mechanism 90. 120 is an arm housing, which includes a rail 126 and a shaft 122;
It is supported so as to be movable in the left and right directions (Yl, Y2 directions) on the turntable 130. Arm housing 12
Similarly to the disk holding mechanism 90, the motor 124 and the
10) The disc 6 is transported in parallel by a rotor (not shown) over the disc 6 placed on the turntable 130-H, and the signal from the disc 6 is picked up.

In FIG. 6(C), 180 is a support that supports the disk 6, and shafts 181. It is supported by a bearing 182 so as to be able to move vertically (in M, M2 directions). The support 180 is provided in two parts, left and right, as shown in the figure, and supports the disk 6 in the Y, Y2 directions (see FIG. 6(A)) so that it can hold the group guard 33 of the disk 6 by one position. It is configured to be able to hold a larger range than the diameter of the group guard 33. Further, the support 180 is configured to be in a state below the turntable 130 and a state in which it can protrude above the turntable 130 and support the disc 6 held by the disc holding mechanism 90.

Reference numeral 134 denotes a disk elevating mechanism, which is constructed as follows. The lift arm 142 is supported by a shaft 141 and a bearing 138 so as to be vertically movable. By rotating the lift arm 142, the lift ring 136 (see FIG. 24) supported by the lift arm 142 and located at the lower part of the lifting ring 135 is raised and lowered, and the lift ring 136 (see FIG. 24) is raised and lowered. Placement ring 133 fixed to T-ring 135
As a result, the disc 6 is raised and lowered between a state where it is supported above the turntable 130 and a state where it is placed on the turntable I30-1=.

160 is a cam unit, the above-mentioned support 180,
Disc lifting mechanism 134. It drives the case expansion mechanism 60. The cam 161 is horizontally rotatably supported by a shaft 176, and is configured to rotate by the power of a cam drive motor 165 via a worm 166. 162 is a lever, and shaft 179. Bearing 1
63 for horizontal rotation, and is biased by a spring 172 in the P1 direction. The levers 167.1.68 each have a shaft 178. It is rotatably supported by a bearing 170.17]. Each lever 162°167.
168 are interlocked with the cam 161 so as to operate according to the cam diagram of cam +61 (FIG. 15). 19
0 is a reversing lever for switching the operation of the disk holding mechanism 90. The reversing lever 190 is horizontally rotatably supported by a shaft 194, biased in the Q direction by a spring 192, and positioned by a block 191.

140 is a turntable driving motor. Figure 6 (
In A), 200 to 205 are microswitches. The microswitch 200 is a switch for detecting the operation of the case expansion mechanism 60. The microswitch 201 is a switch for detecting the operation of the disk holding mechanism 90. Microswitches 202 to 205 are switches for detecting the position of the disk holding mechanism 90.

The disc holding mechanism 90 will be explained in detail.

7(A)-(C), FIGS. 8(A), (B), FIG. 9, and FIG. 10 are explanatory diagrams of the structure and operation of the disk holding mechanism 90. The movable base 91 is provided with contact portions 91a on the left and right sides that contact the lid 3. 92 is four rollers, rotatably supported by the movable base 91,
The seventh (13) is engaged with the rail 45 as shown in Figure (C). On the opposite side of the movable base 91, a roller 93 is rotatably supported. Reference numeral 94 denotes a leaf spring, which is attached at a position where it comes into contact with the lid 3. Reference numeral 95 denotes an upper clamp arm, which is formed integrally with the movable base 91, and is provided with a claw 95a as shown in FIG. 7(B). The lower clamp arm 96 is rotatably supported by a bearing 97 and biased by a spring 98 in the direction of arrow 98a. Reference numerals 99 and 100 denote lid stop members that engage with the notch 19 of the lid 3 to stop the lid 3 from flowing.

The lid stop members 99 and 100 are for the bottles 105 and 106, respectively.
It is supported so as to be horizontally rotatable relative to the movable base 91. Further, the lid stop member 99° 100 is provided with driven ends 115 and 116, respectively, which are guided by cam grooves 113° and 114 provided in the sliding member 102.

The sliding member 102 is approximately plate-shaped, and has cam grooves 113 and 114.
is guided by the bins 105 and 109 and moves approximately linearly in the direction of arrow Y1 or Y2. A roller 103 is rotatably attached to the sliding member 102 on the left side of the center in the figure.
(14) protrusions 102h are provided, and the opposite side has an abutting portion 102a and a spring (I) holder 110a. The projection 102b is configured so that it can come into contact with the contact portion 101b (see FIG. 7(C)) of the rotating member +01 through a square hole 91b formed in the movable base 91. Also, spring hook 111
The sliding member 102 is moved in the direction of arrow Y2 by the spring 110 applied between the spring 11 and the spring 112 of the movable base 91.
is biased in the direction of Further, the sliding member 102 is provided with a wedge-shaped portion 102c, as shown in FIG.
As shown in (B), the wedge-shaped portion 102c and the lower clamp arm 9
It is configured so that it can abut with the abutting end 96a of No. 6. l
The movable member 101 is horizontally rotatably supported by a movable base 91 by a fulcrum] 01a, and is rotated horizontally by a spring 104.
4a (FIG. 7(A)). Further, as described above, the rotating member 101 is formed with an abutting end 101c that can abut the lid 3 in addition to the abutting portion 101b. The contact portion 101b has a sloped shape as shown in the figure.

Reference numerals 107 and 108 are release members provided at both ends of the movable base 91, which engage with the oblique portion 26 of the protrusion 24 of the lid 3 to release the engagement between the lid 3 and the case 2.109
is a contact plate, which is provided at a position where it can come into contact with the microswitches 202-205. A connecting piece 110' connects the belt 111 and the disk holding mechanism 90.

The operation of the disk holding mechanism 90 will be explained. The disk holding mechanism can take the following three states.

The first state is the "lid/disc holding state".

This is a state in which the lid 3 is not hooked and the disc 6 is clamped as shown in FIG. 7 (A>. In this state, the sliding member 10
2 is the most right side of the figure (direction of arrow Y2) among the three states.
It is located close to. The latching members 99 and 100 are in a position where the lid 3 is restricted as shown in the figure by having driven ends 115 and 116 guided by cam grooves 113 and 114, respectively.

The leaf spring 94 is in contact with the lid 3 as shown in the figure, and is in a state where the lid 3 is biased forward (arrow X, force direction). The lower clamp arm 96 is in a state where the group guard 33 of the disc 6 is clamped as shown in FIG. The contact end 96a is in a position where it contacts the group guard 33.

Further, as shown in FIG. 10(B), the contact end 96a contacts the wedge-shaped portion 102c, and the sliding member 102 is urged to the right side of the figure (arrow Y, force direction) by the biasing force of the spring 110. As a result, the lower clamp arm 96 is biased in the direction of arrow 98b in FIG. 7(B) and clamps the group guard 33.

The second state is a "differential hold state." This is shown in Figure 8 (
As shown in A), the lid 3 is closed and the disc 6 is not clamped. In this state, the sliding member 102 is in an intermediate position among the three states.

The latch members 99 and 100, the leaf spring 94, and the rotating member 101 are all in the same state as the [lid/disk holding state], and the lid 3 is not hooked as shown in FIG. . However, in this state, the sliding member 102 has moved from the "lid/disk holding state" to the left side ('+'+ direction) in the figure, so it is no longer wedged as shown in Fig. 10 (B) (17). The shaped portion 102c and the contact end 96a are not in contact with each other. Therefore, the lower clamp arm 96 is moved by the arrow 98 as shown in FIG. 8(B) due to the biasing force of the spring 98.
It is open in the direction a, and is in a state in which the disc 6 is not clamped.

The third state is a "non-retention state." This state is the 9th
As shown in the figure, the lid 3 is not hooked and the disc 6 is not clamped. The sliding member 102 is in the position closest to the left side (Y+ direction) of the three states. Lid T
1) The stop members 99 and 100 are connected to the driven ends 115 and 11, respectively.
6 is guided by the cam grooves 113 and 114 and is in an open state as shown in FIG. The lower clamp arm 96 is in the same state as in FIG. 8, and is open and does not clamp the disk 6. The rotating member 101 is in a position as shown in the figure, the contact portion 101b and the protrusion 102b of the sliding member 102 are in contact with each other, and the sliding member 102 is slid to the right (Y2 direction) in the figure by the biasing force of the spring 110. It is regulated not to do so.

In this way, the disk holding mechanism 90 can take three states: "lid/disk holding state", "lid holding state", and "non-holding state". These three states are all regulated by the position of the sliding member 102 in the sliding direction (Yl, Y2 direction). That is, by changing the position of the sliding member 102 in the Yl and Y2 directions, the "lid/disk holding state" and the "lid holding state" can be achieved.

The disk holding mechanism 90 can be changed into three states including a "non-holding state". However, among the three states above, "
The "lid holding state" can be held when the sliding member 102 is regulated to the state shown in FIG. 8 by some means against the force of the spring 110.

The case expansion mechanism 60 will be explained in detail.

11(A)-(C), FIG. 12(A)-(C), and FIG. 13(A)-(C) are explanatory diagrams of the structure and operation of the case expansion mechanism 60. Reference numeral 80 denotes a fixed base of the case expansion mechanism, which is fixed to the chassis 40 of the playback device and is located near the insertion opening 51 as described above. The support member 61 is fixed to a fixed base 80. Reference numeral 62 denotes an engaging member, which is supported by a bearing 63 and a pin 74 fixed to the fixed base 80 so as to be vertically movable. Further, the retaining member 62 is biased by the spring 72 in the direction of the arrow W1 in FIG. 11(B). The expansion member 66 is attached to the support member 61 as shown in the figure.
It is supported by a bearing 67 fixed to a fixed base 80 so as to be vertically movable. The expanding member 66 is formed with an arm 64 and an abutment end 68 . A slider 65 is slidably attached to the fixed base 80, as shown in FIG. 11(C). The slider 65 is provided with elongated holes 65a, 65t), and pins 71 and 70 are engaged with each of them, and the arrow Y in the figure
It is configured to slide linearly in the l and Y2 directions.

Also, due to the contact portion 63a of the bearing 63, as shown in FIG.
As shown in the figure, the slider 65 is restricted at the center and is configured to bend only slightly downward. Further, the slider 65 is provided with two engaging portions 69, and with this configuration, the expanding member 6G is rotated in the direction of arrow ■2 in the figure by the slider 65 acting on the right side (direction of arrow Y2) in the figure. However, by acting on the left side of the figure (direction of arrow Y), it will rotate in the direction of arrow 1. Additionally, a spring 73 is connected between the slider 65 and the fixed base 80 as shown in the figure.
is applied, and move the slider 65 to the right side of the figure (arrow Y2
direction). Further, the slider 65 is provided with an abutting end 76 and a notch 65c. 75 is a case guide, which serves as a guide for case 2;
It is fixed to a fixed base 80.

The following is the configuration of the case expansion mechanism 60.Next, how does the case expansion mechanism 60 expand the case 2 and engage the case 2 to substantially fix it to the playback device? Explain. When the case 2 is not inserted into the playback device, the case expansion mechanism 60 is in the state shown in FIGS. 11(A) to 11(C).

That is, the notch 65 of the slider 65 and the engaging member 62 come into contact with each other, and the slider 65 is regulated in the state shown in the figure against the biasing force of the spring 73. Therefore, the expanding member 66
It is regulated to the positions shown in Figures (B) and (C). The case 2 is guided by the case guide 75 and inserted into the case expansion mechanism 60 in this state through the insertion opening 5I of the playback device main body 5 (21) 0.

FIGS. 13A to 13C show the process of inserting the case 2 into the case expansion mechanism 60.

FIG. 13(A) shows the case expansion mechanism 60 in the same state as FIGS. 11(A) to (C).

When the case 2 is inserted into the case expansion mechanism 60 in this state while being guided by the case guide 75 in the direction of arrow 2 is expanded as shown in FIG. 13(B). Then, when the case 2 is further inserted, the engaging member 6
The contact end 62a of the case 2 contacts the open end of the case 2, the engagement member 62 rotates in the W2 direction in the figure, and the engagement end 62b of the engagement member 62 rotates as shown in FIG. 13(C). Engagement hole 1 of case 2
3. In this case, the notch 65 of the slider 65
c and the engaging member 62 are no longer in contact with each other, and the slider 6
5 slides to the right (Y2 direction) as shown in FIG. 12(B) by the biasing force of the spring 73. In the state shown in Fig. 12 (B), as shown in the figure, the case 2 is expanded (22) fll (4', t66 is rotated in two directions, and the case 2
The state is such that the removal of the disk 6 from the disk is not hindered. Figures 12 (A) to (C) show Case 2 at this time.
The state of case 2, that is, the state of expanded case 2, is shown by a dashed line. In this state, the engaging member 62 is restricted by the slider 65 so as not to rotate in the W1 direction as shown in FIG. 12(B). Next, for example, slider 65
If the abutting end 76 of the slider 65 is moved to the left side (y+ direction) in the drawing by some means, the slider 65 moves in the direction of arrow Y1, and the notch 65c moves into the engaging member 62 as shown in FIG.
When the engagement member 62 reaches the position shown in FIG.
The engagement between the engagement member 62 and the engagement member 62 is released.

As described above, the case expanding mechanism 60 of this embodiment has a means for expanding the case 2 as well as a means for engaging the case 2, and moreover, by moving the slider 65, the case 2 can be easily engaged with the case 2. can be canceled.

Further, in this embodiment, as shown in FIGS. 11 and 12, a microswitch 200 is placed at a position where it can come into contact with the slider 65.
Therefore, when the case 2 is inserted into the expansion mechanism 60, the case 2 is engaged, and the slider 65 is operated, the microswitch 200 can detect that the case 2 is expanded and engaged. The structure is as follows. Further, when the case 2 is engaged with the engagement member 62, the movement of the engagement member 62 is regulated by the slider 65 as described above, so the case 2 does not come off easily.
It is in a state where it is substantially fixed to the playback device 50.

Further, the microswitch 200 detects whether or not the case 2 is engaged with the engagement member 62, and a lamp 500 serves as a notification means to notify this detection state.
(FIG. 5) is provided on the front of the playback device main body 50. Therefore, the user can easily check whether the case 2 is engaged or not. The lamp 500 is connected to remain lit while the engagement member 62 is in the engaged state. Note that a buzzer may be used as this notification means. In the case of a buzzer, it should sound when the state changes from the engaged state to the disengaged state.

The cam unit 160 will be explained in detail.

14 and 16 are operation explanatory diagrams, and FIG. 15 is a timing chart diagram illustrating the movement of the lever. In FIG. 14, cam 161 is horizontally rotatably supported by shaft 176, and heald 175. The power of the cam drive motor 165 is transmitted through the worm 166, and the cam drive motor 165 can rotate in both forward and reverse directions.

The lever 162 is connected to the shaft 179, and the levers 167 and 168
are rotatably supported on shafts 178, and cams 1
An interlocking member (not shown) that engages with the cam groove 400 of 61 is provided, and when the cam 161 rotates, the cam groove 400
They operate in conjunction with each other. The lever 167 is connected to the elevating mechanism 134 via a connecting member 173, and operates the elevating mechanism 134. The lever 168 is connected to a connecting member 184 fixed to the shaft 181 via a connecting member 174 (not shown in FIG. 14, see FIG. 6 fc), and rotates the shirt 181 (25). ) to raise and lower the support 180. The lever 162 is biased in the P1 direction by a coil spring 163, and therefore the interlocking member 404 provided on the lever 162 is always in the cam groove and biased in the P direction. The engagement pin 169 is connected to the slider 6 described above.
the lever 1 so as to abut against the abutting member 76 provided on the lever 5;
62. The lever 162 is rotated by the cam 161, moves the slider 65 in the Y1 direction against the spring 73, and returns the slider 65 to the state shown in FIG. 14(A).

The cam groove 400 will be explained using FIG. 16(A). The cam groove 400 has cam paths 405a and 405b.

It is composed of 405c and 405d. Cam groove diameter
, is greater than 7!2. Lever 167,]6
The cam grooves 400 that drive the cam grooves 8 are provided so as to operate according to the timing chart shown in FIG. 10, respectively.

Next, the operation of the cam unit 160 will be explained with reference to FIG. 8 (26) and FIG. 16, focusing on the operations of the cam 161 and the lever 162. FIG. 14 shows a state in which the case 2 is not inserted into the grouping device, and the corresponding cam 16] and interlocking member 404 are in the state shown in FIG. 16(A). When the case 2 is inserted, the slider 65 moves and the abutment member 76 moves the engagement pin 169, resulting in the state shown in FIG. 9. The slider 65 is shown in FIG.
As shown in B), it is stopped by a stopper 410 and will not move beyond that point. This state is shown in Figure 16 (B).
It is in a state of The engagement pin 169 is urged by the coil spring 163 to contact the contact member 76, and the interlocking member 404 is in a neutral state without contacting the inner wall surface of the cam groove 400. This state is the t1 state in FIG. 15 (hereinafter, the state will be indicated as tx in the timing chart of FIG. 15).

The microswitch 200 detects this state, and the disc clamping mechanism 90 clamps the disc 6 and starts pulling it out from the case 2. The motor 165 is energized and the cam 16
1 is rotated in the A2 direction shown in FIG. 14(B), and the lever 167.
168 is pulled in the B2 direction shown in FIG.
．． t3 state). This state is the state shown in FIG. 16(C).

At this time, the cam groove diameter j! 2 is 1. Lever 1 because it is smaller
62 moves in the B2 direction. Slider 65 is stopper 4
10, it does not move, and only the lever 162 moves. Further rotation of the cam 6 results in the state shown in FIG. 16(D). When the cam 161 rotates further from FIG. 16(C), the interlocking member 404 moves to the 16th
As shown in Figure (D), the lever 162 is located at the branch point between the cam paths 405a and 405C, and the lever 162 is urged to rotate in the B1 direction by the spring 163, and in this state, the abutment member 76 is engaged. The engaging pin 169 is in a state where it can be rotated further in the B1 direction as shown in FIG. 16(D). Therefore, the interlocking member 404 is urged into contact with the inner wall surface of the cam path 405a by the coil spring 163, and when the cam 161 rotates in the A2 direction in this state, the interlocking member 404 enters the cam path 405a. When the cam 161 further rotates, the lever 162 moves in the B1 direction shown in FIG. 14, and the lever 68 moves in the B1 direction. By moving the lever 162 in the B1 direction, the slider 65 is moved to the state shown in FIG. 14(A), and the state in which the engagement member 62 engages the case 2 is released (ta state).
. At the same time, the lever 168 moves in the B1 direction shown in FIG. 14, and the support 180 descends (state t4).

When the cam 161 further rotates, the lever 167 moves to the 14th position.
It moves in the B1 direction in the figure, lowers the elevating mechanism 134, and places the disc 6 on the turntable 130 (state t6).

When the cam 161 further rotates, it enters the t6 state, its position is detected by a rotary switch (not shown), and the motor 165 is de-energized, thereby stopping the cam 161 (t6 state). In the states shown in FIG. 16A and FIG. 16A, the cam 161 has rotated 360 degrees.

After this, when the playback switch is turned on, playback starts.

(29) After the playback is finished, the turntable 130 stops and becomes ready for removal, and when the case 2 is inserted into the case expansion mechanism 60, the engagement state of the slider 65 is released in the same way as described above, and the case 2 is almost fixed to the expansion mechanism (
t7 state). This is the state shown in FIGS. 9 and 16(B). The microswitch 200 detects this state,
The motor 165 is energized so that the cam 161 rotates in the A1 direction, which is the opposite direction to that described above. When the cam 161 rotates, the lever 167 is first pulled in the direction B2 in FIG.
Support above 0. The lever 168 is pulled and the support 180 rises to support the disk 6 (tg state). When the cam 161 further rotates, the lever 167 moves to B.
move in one direction and lower the lifting mechanism 134 (tlO
Status! 13). Thereafter, the disk 6 is recovered into the case 2 by the disk holding mechanism 90. During this operation, the cam 16] rotates, the lever 168 moves in the B1 direction, and the support 180 descends (state t11). Furthermore, the cam (
30) When 161 rotates, the interlocking member 404 faces the branching member 403b and then enters the cam path 405b, as described above.
The state shown in FIG. 16(A) is reached, the lever 162 moves the slider 65, and the substantially fixed state of the case 2 is released, resulting in the states shown in FIGS. 8 and 16(A).

To briefly summarize each state in Fig. 15, tO is the standby state, tl is the case inserted state, t2 is the lift raised position, t3 is the support raised position, t3' is the start of slider movement, and t4 is the slider lock (case removed). , t5 is the lift lowered position, t6 is the standby state, t7 is the case inserted state, t8 is the lift 1-J-raised position, tO is the support raised position, tlo is the lift lowered position, tll is the support lowered position, tl2 is the slider lock (Case withdrawal) is shown respectively.

Operation Next, how the entire reproducing apparatus according to this embodiment operates according to the following two configurations will be explained step by step. Figures 17 to 22, and Figure 23 (A).

24(B) and FIGS. 24(A) to 24(C) are all schematic explanatory diagrams showing how the operations of each part of the reproducing apparatus are performed in conjunction with each other.

First, FIG. 17 shows the state before the case 2 is inserted into the playback device main body 50. At this time, the disc holding mechanism 90 is located slightly in front of the center of the turntable 130 as shown in the figure.

The disk holding mechanism 90 is in the above-mentioned [non-holding state-]. Further, the support 180 is in a downward position as shown in FIG. 23(A).

Next, the case 2 passes through the insertion opening 51 and moves to the guide 52°53.
When the case 2 is guided and inserted into the case expansion mechanism 60, the opening of the case 2 is expanded by the expansion member 66, and in this state, the engagement hole 13 is engaged by the engagement member 62, and the playback device main body 50 is opened. It is approximately fixed at .

Next, in this state, the microswitch 20 shown in FIG.
0 is detected, the motor 114 operates, and the disk holding mechanism 90 is moved forward (in the figure) by driving the heald 111.
X, direction).

Then, as shown in FIG.
contact, the restriction on the sliding member 102 is released, the sliding member 102 slides to the right (arrow Y2 direction), and the disc holding mechanism 90 enters the "lid/disk holding state" as described above. At this time, the contact portion 102a of the sliding member 102 contacts the microswitch 201, and it is detected that the disc holding mechanism 90 is in the "lid/disk holding state" at this position. Then, the motor 114 rotates in reverse, and the disk holding mechanism 90 begins to be moved backward in the figure (in the X2 direction). At this time, the roller 103 provided on the sliding member 102 and the slope 190b of the reversing lever 190 come into contact with each other, but since the reversing lever 190 is rotatable in the direction of arrow R2 in FIG. There is no problem in transferring the disk holding mechanism 90 just by doing so.

Next, FIG. 19 shows the state during the transfer.

As shown in the figure, the lid 3 and the disc 6 are held by the disc holding mechanism 90 and pulled out from the case 2 (33). Now, when the disk 6 is pulled out halfway as shown in this figure, the sabot 180 rises as shown in FIG. 23(B) and holds the group guard 33 of the disk 6.

At this time, since the support 180 only contacts the group guard 33, it does not damage the signal surface of the disk 6.

When the disk holding mechanism 90 is further moved rearward (X2 direction), the center boss 131 at the center of the turntable 130 and the center hole 34 of the disk 6 are
and come to approximately corresponding positions.

Even in this state, the support 180 is configured as shown in the figure so as to hold the group guard 33 of the disk 6.

Next, the center mounting ring 133 is attached to the cam unit 160.
It rises by the action of , and holds the center of the disk 6.

FIG. 24(A) is a diagram explaining this state from the side. Next, as shown in FIG. 24(B), the support 180 is lowered by the operation of the cam unit 160. Next, when the disk holding mechanism 90 is further moved backward (in the X2 direction), (34) the roller 103 provided on the sliding member 102 of the disk holding device ti90 and the slope of the contact member 43 come into contact with each other, and the sliding The movable member 102 works to the left (Y direction), resulting in the above-mentioned one-lid holding state. In other words, the disk 6 is held by the disk holding mechanism 90.
is in a state where it is not clamped, which is the state shown in FIG. In this state, the disk 6 is held by the mounting ring 133 in the center as shown in FIG. 24(C). After this, the placement ring 1 is moved by the operation of the cam unit 160.
33 descends, the disc 6 is placed on the turntable 130.
placed on top. Next, the cam unit 160 operates to release the engagement between the engagement member 62 of the case expansion mechanism 60 and the case 2, and the case 2 is emptied from the playback device.
can be removed.

In this state, the turntable 130 rotates, the arm housing 120 scans over the disk 6, and reproduction is performed. At this time, since the lid 3 is held from below by the mold holding members 41 and 42 as shown in FIG. 21, it does not hang down and come into contact with, for example, the arm housing 120 while traveling.

When the playback is completed and the user inserts the empty case 2 into the playback device, the engaging member 6 of the case expansion mechanism 60
2 is engaged with the case 2, and the case 2 is connected to the playback device main body 50.
It is in a state where it is approximately fixed to . The microswitch 200 detects this state in the same manner as described above, and this time the cam unit 160 operates to raise the mounting ring 133.
The state shown in FIG. 24(C) is reached.

Next, the motor 114 drives the heald 111, and the disk holding mechanism 90 is now moved forward (in the direction of arrow X1), shifting to the state shown in FIG. 24(B). Then, the support 180 is raised by the operation of the cam unit 160,
The state shown in FIG. 24(A) is reached. After this, place ring 1
33 is lowered by the operation of the cam unit 160, and the disc holding mechanism 90 moves the motor 114.33 forward (in the X+ direction) while holding the lid 3 and the disc 6. It is transported by belt 111. In other words, the state shown in FIG. 20 shifts to the state shown in FIG. 19.

When the disk holding mechanism 90 is further moved forward (X+ direction), the roller 103 provided on the sliding member 102 and the slope 190a of the reversing lever 190 come into contact. At this time, since the reversing lever 190 is restricted from rotating to R1, the roller 103 climbs the slope 190a, and the sliding member 102 moves to the left (in the Y+ force direction) to the above-mentioned "non-holding state". As shown in FIG. 22, the lid 3 is pushed into the case 2 by the biasing force of the leaf spring 94.

Then, the motor 114 rotates in reverse again, and the disk holding mechanism 90 is moved rearward (X2 direction) and returns to the position shown in FIG. 17. After this, the cam unit 160 also operates, and the engagement member 62 of the case 2 and the case expansion mechanism 60
The case 2 is disengaged from the case 2, the disc 6 is stored in the case 2, and the case 2 can be taken out from the playback device main body 50 with the lid 3 engaged with the case 2.

In this way, the user attaches the case 2 to the playback device main body 50.
By just slightly inserting the disc 6, the disc 6 is automatically taken out from the case 2 (37) and playback becomes possible, and the disc 6 is also automatically stored in the case 2. Therefore, there is no need to manually move the case 2 back and forth, which is convenient for use, and reliable operation can be expected even under severe use by the user. In addition, the entire case 2 is attached to the playback device main body 50.
Since only the disc 6 and lid 3 are pulled in without being pulled in, the playback device body 5 is smaller than when the entire case 2 is pulled in.
This has the advantage that it can be made thinner.

The reproducing apparatus of this embodiment operates in this manner, and these operations can be controlled by, for example, a microcomputer. In other words, the disk holding mechanism 9 is controlled by a microcomputer and a normal control circuit.
0 and the arm housing 120.
The above operations can be performed by sequentially operating the motor 124 that drives the cam drive morph 165 and the cam drive morph 165.

In addition, the disk holding mechanism 90 may be configured as shown in FIG.
9, 20, 21, and 22, the disk holding mechanism 9 is connected to the microswitches 202 to 205 shown in FIG. 6(A).
This is possible by detecting that the abutting plate 109 attached to the morph 114 has come into contact with the morph 114 and then programming the morph 114 to stop.

Effects of the Invention In the recording disc playback device of the present invention, when the user slightly inserts the disc case into the main body of the playback device, the recording medium is automatically taken out from the case and playback becomes possible. Another advantage is that the lid can be reattached to the case smoothly after the playback is completed.

[Brief explanation of the drawing]

Figures 1 (A) and (B) are a plan view and a sectional view, respectively, of a disk that can be used in an embodiment of the present invention, and Figures 2 and 3 are exploded perspective views, respectively, of a disk case that accommodates the disk. 4(A) to 4(C) are respectively a front view, a plan view, and a side view of the lid of the disc case. FIG. 5 is an external perspective view of an embodiment of the present invention. 6(A) is a perspective view of its schematic configuration, FIG. 6(B) is a sectional view of the rail portion of the movable base, and FIG. 6(C) is a perspective view of the cam unit and lifting mechanism. FIGS. 7(A) to (C) are a plan view, a sectional view, and a front view of the lid/disk holding state of the disk holding mechanism, respectively, and FIGS. 8(A) and (B) are the same disk holding mechanism. 9(A) and (B) are respectively a plan view and a sectional view of the disk holding mechanism in the non-holding state, and FIGS. 10(A) and (B) are An operation explanatory diagram showing the relationship between the sliding member and the clamp arm of the disk clamping mechanism,
Figures 11 (A) to (C) are a plan view, cross-sectional view, and front view of the case expansion mechanism in the state where the case is not inserted, and Figures 12 (A) to (C) are the case expansion mechanism. A plan view, a sectional view, and a front view of the mechanism in the case insertion state, FIGS. 13(A) to (C) are also explanatory diagrams of the operation of the case expansion mechanism, and FIGS. 14(A) and (B) are the same. Figure 15 is a time chart of the cam unit, Figures 16 (A) to (D) are diagrams explaining the operation of the cam unit, and Figures 17 to 22 are reproduction diagrams. Operation explanatory diagram of the entire device viewed from above, No. 23
FIGS. 24A and 24B are operation explanatory diagrams showing the relationship between the support and the disc, and FIGS. 24A to 24C are operation explanatory diagrams showing the longitudinal side view of the playback apparatus. 1... Disc case, 2... Case body, 3...
- Lid, 6... Disk (recording medium), 13... Engagement hole, 40... Chassis, 50... Playback device main body, 5
1...Case insertion port, 60...Case expansion mechanism, 6
2... Engaging member, 65... Slider, 80... Fixed base, 90... Disk clamping mechanism (retracting means),
91... Movable base (transfer means), 95... Upper clamp arm, 96... Lower clamp arm, 99,100.
... Latching member (stopping means), 102... Sliding member (regulating means), 107°108... Release member (lid release means), 120... Arm housing, 134...
Disc lifting mechanism, 160...cam unit, 180
...Support, 200-205...Micro switch (41)

Claims (1)

[Claims] A disk case consisting of a case body that has a storage space inside which can store a disk-shaped recording medium and has an opening at one end for taking out the recording medium, and a lid that is removably attached to the opening. The recording disk reproducing apparatus used includes a reproducing apparatus main body having a reproducing means, a lid releasing means for releasing the connection between the opening of the case main body and the lid, and a releasable lid. a latching means for stopping the latching means; a transporting means for reciprocating the latching means and the recording medium within the main body of the playback apparatus; and a transport path when the transporting means transports the latching means in one direction. A recording disk reproducing apparatus characterized by comprising: means for restricting the locking means to a non-latching state in a part of the range.