JPS5832270A - Reproducer for recording disc - Google Patents

Abstract

PURPOSE:To simplify the operation of loading of a recording disc, by providing a matching mechanism operating a recording disc from a loading position to a reproducing position or from the reproducing position to the loading position, in response to a mobile body having a signal detector. CONSTITUTION:A mobile body 9 having a signal detector 10 detecting a signal of a recording disc 1 is moved in the radial direction of the recording disc along a guide rod 8 with the driving of a mobile drive device 13. When a cartridge contained with the recording disc is loaded from an insertion inlet 7a of a chassis 7 and the mobile body drive device 13 is operated, and the mobile body 9 is shifted right, the recording disc is moved from the loading position to the reproducing position in repsonse to this movement, the recording with the signal detector 10 is reproduced, and when the mobile body 9 is in turn shifted left, the recording disc is correspondingly moved from the reproducing position to the loading position.

Description

DETAILED DESCRIPTION OF THE INVENTION This invention is a method for mounting a recording disk on a reproducing device. This type of recording disk can be stored in a cartridge because touching it with one hand will reduce the reproducing ability. has been
A method is used in which the recording disc remains inside the reproducing apparatus by inserting and removing a cartridge containing the recording disc into the reproducing apparatus. The movement from the second position, which is the insertion position of the recording disk, to the first position, which is the reproduction position of the recording disk, is performed by a mechanism that responds to one manual operation.

For this reason, after inserting the recording disk, it is necessary to operate a lever or the like to move the recording disk from the second position to the first position, and even after playback is finished, the lever or the like must be operated. After moving the recording disk from the first position to the second position,
It is necessary to insert the cartridge and retrieve the recording disk, which has the disadvantage that the operation is cumbersome.

The present invention aims to eliminate the above-mentioned drawbacks, and aims to provide a recording disk reproducing device that is easy and simple to operate.

An embodiment of the present invention will be described below with reference to the drawings. l
In Figure 1, (I) is a recording disk, (2) is a cartridge that houses this recording disk (11), and (3) is a cartridge half that is fitted into the opening (2a) of this cartridge (2). (3a) is a locking part that acts to prevent this cartridge half (3) from coming off from the cartridge (2), and (3b) is engaged when the cartridge half (3) remains inside the reproducing device. The hook is part,
(4) is a cartridge guide device that translates with the cartridge (2) when inserting the +1 screw (2) into the playback device, (4a) is the right slider, (4b) is the left slider, and (40) is the upper The beam, (4d) is the lower beam. (5) is the right guide, (6) is the left guide.
Although not shown, when inserting the cartridge (2) into the playback device, the upper beam (4c) and lower beam (4d) open due to the unevenness provided on the right guide 15) and the left guide (6). As shown in FIG. 2, the cartridge (2) is inserted in an open state by the action of an attached claw (not shown).

Next, in Figures @3 to Figures 9, (7) is the chassis,
(7a) is an insertion opening for the cartridge 12), (8) is a guide rod fixed to the chassis projections (7o) and (7c), and (9) is a moving body equipped with a signal detector uQ. (A bearing part (9a) forming a part of 92 is slidably supported by the guide rod (81). Uυ is a roller pivotally supported by the moving body (91), and (78) fixed to the guide rod (13
It is possible to rotate on the top. αJ is the above moving body (9)
I is a moving body drive device that operates along the guide rod (8), where I is a motor attached to the housing α, (US is a fixture attached to the chassis (7), and αη is a motor mounted on this) The housing α ri is pivotally supported on this bin riη. as is a mounting fixture;
(18a) is a bottle that is set upright therein, and is engaged with the elongated hole (15a) of the housing. (II is a tension spring hung between the housing α and the fitting σ barrel, (2G
is a bottle set upright in housing t19, and wheel tooth I
Can and Binion gear @ are fixed coaxially to each other,
It is pivotally supported by the above bottle. (to) is a fixture attached to the housing a, and (24) is a bin pivotally supported by this fixture, and the worm (g) and pulley (to) are fixed to this bin. The punishment is this pulley ■ and the output shaft of motor Q4 (not shown)
It is a belt that is hung between the pulleys (to) that are fixed to the. The rack plate is a rack plate attached to the side surface (9b) of the movable body (91), and the rack teeth (29a) mesh with the above-mentioned binion gear @. (7) A motor fixed to the beamer ν-17); CIυ is this motor shaft (30a
) is attached to the turntable, (to) is a recording disk centering tool that is slidable on the motor shaft (30a), and 0 is attached to the turntable.
3 is the elevating body, and (to) is the pantograph mechanism that supports this elevating body. The installation ICI is link A, @ is link B, and link A (
(to) is pivotally supported at one end by a pin (38a) to the fixture (to).

The other end is the bin C38b> is the elongated hole (37a) of the attachment (to)
is engaged in. One end of the link B@ is pivotally supported by the bin (39a) to the fixture l37), and the other end is pivoted to the fixture l37) by the bin (39b).
is engaged with the long part (35a) of the fixture (to), and is supported by the link A (to) by a pin. IAD value ν-+7) l':.

It is a rotating lever that is pivotally supported by the attached brackets (6) and (43), and (41a) is the inclined part of this, (
44) Hako (') times a L/par (41) and ν ding - ν -
The spring hung between (7), (45) is a rotating rod, and the brackets (46), (47), (4
8). (49) is a rotating pipe, and the rotating pipe (49) is pivotally supported by the rotating rod (45), and (50) and (51) are rotating pipes (
49), the arm (50a) is fixed to the arm (
50) is a bottle set upright and engaged with the long (35b) of the fixture (35). (52) is chassis −(
7), the bracket (52a) is a part of the stopper that forms part of the bracket (52), and
The rise of the mounting A (35) is a part of the stopper (52a).
), (53) is a link A fixed to the rotary pipe (49), and the bottle (53a) planted upright at its lower end and the rotary lever (41)
A connecting plate (54) is pivotally supported between the bottles (410) planted vertically on the lower end (41b). , (55) is fixed to the rotating rod (45), or link B, (56)
) is in a position to engage the rack plate (to) with a roller pivotally supported thereon. (57) is the above rotation, moving rod (45)
The lever C1 fixed to the arm (51) is in a position to engage with the arm (51). (58) It is a tension spring.

FIG. 6 shows the clamping device (60) for the recording disk (1), (61) is a link fixed to the rotating rod (45), and (62) is the elongated hole (62) of the link (61). 61
1) Two engaging cylinders, (63) is a link plate,
A bottle (62) is engaged with this long part (63a),
This bottle (62) and the tip end of the link plate (63) (
63b), a tension spring (64) is hung between them. (65) is an upper finger, and (66) is a lower finger, which are pivotally supported on the play plate (6B) by a rod (67). The above link board (0) is attached to the lower finger (66
), and the rotation of the lower finger (66) is controlled by the side part (66a) of the single finger (66).
61:+) is stopped by contacting a part of the stopper (6g&). In addition, (69) is the hook of the cartridge half (3) that is combined with the part (3b) when the recording disk (1) is held by the clamp device (60). ) is also to be held at the same time.

Next, the operation will be explained. Figure 3 shows the state before the cartridge (2) containing the recording disk (11) in Figure 1 is inserted into the playback device, and shows the state before the cartridge (2) containing the recording disk (11) is inserted into the playback device.
! ) in the figure due to the tension of the tension spring (59).

Torque is applied in the clockwise direction, and as shown in FIG.
b) is in contact with. At this time, one rotation play) (41)
Torque is applied in the counterclockwise direction in the figure by the tension of the tension spring (44), and this torque becomes a tension force on the connecting plate (54), which causes the link A (53) and the rotating pipe fixed to it to (49), the arms (50) and (51) are urged counterclockwise, and the mounting fixture (35) and the elevating body (33) are urged upward; however, this movement is caused by mounting A (35) being the bracket). It is stopped by coming into contact with a part of the stopper (52a) of (52). Therefore, Ah Mu (57
) is not in contact with the arm (51), leaving a gap of approximately 2 to 3 meters. In addition, Figure 6 shows the water damage caused by a bottle (
62) is biased downward by a tension spring (C2), this bottle (62) has a two-long slot (
It is pressed against the lower end surface of the elongated hole (63a) and is located in the middle of the elongated hole (63a).

The F finger (66) part (66a) is pushed upward by the load from the tension spring (64), and this rotational force causes the side part (66b) of the lower finger (66) to push part of the stopper ( 68a). In other words, the height of the lower finger is not affected by the error in the rotation position of the rotation rod (45), and is determined by the relative positional relationship between the stopper part (SSa) and the side part (661:+). Depends on the situation.

In this state of one positional relationship, the recording disk (1)
The cartridge (2) containing the
is inserted through the insertion port (7a). At this time, as shown in Fig. 2, the cartridge is inserted with the cartridge guide device (41) engaged and the opening (2a) enlarged. A roller (not shown) pivotally supported by the guide device (41) comes into contact with the inclined part (41a) of the rotating lever (41), and the tension spring (44)
The rotation lever (41) is rotated clockwise in FIG. 6 by overcoming the torque caused by the rotation. This rotational force causes the connecting plate (
54) is moved to the left in the figure, link A (53)
, rotating pipe (49), arm (50m, (51)
is rotated clockwise. The above operation causes the pantograph mechanism (34) to move downward, and the lift plate (36)
And the elevating body (33) supported by this lowers while maintaining a parallel attitude. Cartridge (2) is created by the above operation.
is inserted without colliding with the elevating body (33).

When the cartridge (2) is connected to the clamp device (60), the lock part (3a) 1 lock release tool (not shown)
As a result, the locking action between the cartridge (3) and the cartridge (2) is released, and the hook is released from the metal A (6).
9), but the cartridge half (3) is caught in the part (3b).
By engaging with the cartridge 8-713), the cartridge 8-713) is held by the clamping device (60), and the recording disk 1
11 too.

It is held in the clamping device (6o) by the suppressing action of the upper finger (65) and lower finger (66).

After the J-clamp action is performed in this way.

The cartridge (2) is extracted, and at some point in the process, the cartridge guide device (41) pivotally supported by the low J!
ta), the Igl movement lever (41) is rotated counterclockwise in FIG. 6 by the urging force of the pulling p (44), and the elevating body (33) rises. The recording disc (1) is supported on the upper surface (33a) of the cartridge (33).
The height is the same as before insertion, and the installation percentage (35) is the bracket)
Needless to say, it is in contact with a part of the stopper (52a) of (52).

Next, in response to a signal instructing the start of the reproducing operation, the movable body driving device u3 operates, and the movable body +91 moves to the right in FIG. 86. The rotation rod (45) has a tension spring (59).
), as shown in FIG. 9, the rack board fixed to the movable body (9;) moves in the right direction in the figure, causing the roller (56) to move against the rack board. (
2) from the lower parallel part (29b)' to the inclined part (29c
), and this causes the link d(
55), the rotating rod (45) starts rotating clockwise in FIG. At this time, the arm (57) fixed to the rotating rod '1' (45) and the arm (51) fixed to the one-turn pipe (49) come into contact with each other.

The clockwise torque of the rotating rod (45) caused by the tension spring (59) (hereinafter referred to as I11 torque) is greater than the counterclockwise torque of the rotating pipe (49) caused by the tension spring (44) (hereinafter referred to as I11 torque). 2), the arm (51) is pushed up by the arm (57).

Lift play) (36), the elevating body (33) supported by this, and the recording disk (1) are lowered. Next, the recording disk (11 is the upper end surface (31a) of the turntable (31)
), and the elevating body (33) also touches the turntable (Jl
) (not shown) and stops descending. The lift play (36) then descends a further 2 to 3 inches and comes into contact with a portion (not shown) of the chassis (7), stopping its descent. Then, when the movable body (9) moves to the right, the roller (58) separates from the inclined part (21c) of the rack plate [4] and moves into the groove (t4a), as shown in FIG.
go inside. However, as mentioned above, the lowering of the lift plate (36) is stopped at a part of the chassis (7), so the roller (56) does not touch the upper side (29e) of the groove of the rack plate (29). ”>. With the above operation, the mounting operation of the recording disk +111 is completed, the movable body +91 moves further, and at the same time, the recording disk (!1) rotates and moves by the drive of the motor (30). The signal detector (IQ) mounted on the body (97) is located at the recording position E of the recording disk (1), and the recording is reproduced in succession.

Next, the operation after the reproduction is completed will be described, but this is the reverse operation of the above operation. Namely.

When the reproduction is finished, the movable body driving device 113 is driven in the opposite direction, and the movable body (9) is moved to the left in FIG. 3. When the movable body (9) reaches the predetermined position, the roller (56) moves to the inclined part (290) of the rack plate (to) as shown in figure s9.
), the arm (55), the rotating rod (45),
The arm (57) rotates counterclockwise I, and the tension spring (
44), arm (57) and arm (51)
The arm (501 rotation pipe (49) also rotates counterclockwise and lift play) while the drag between
(36), the recording disk (1) rises. This rise is due to the installation wind (52a) of the placket (52).
The roller (56) stops when it comes into contact with the roller (56).
) is still at the inclined part C290) of the rack plate (to), the rotation rod (45) and arm (57) are still rotated, and the a-ra (56) is at the lower parallel part of the rack plate (to). (29b
), the rotation of the rotation rod (45) and arm (55) stops. Want arm (57) and arm (
51), a gap of 2 to 3 ■ is maintained.

Said rotation rotation F (45) 11. Even after the arm (55) stops rotating, the moving body (91) continues to move to the left, and the roller (56) continues to move.

The movement of the movable body (9) stops when the movable body (9) reaches a midway position of the parallel portion (29b) of the rack plate (2).

Due to the above operation, the recording disk 1jl is located at the same position as the cartridge insertion slot (7a), and although detailed explanation is omitted, the recording disk 1jl and the car 1717 Tsuji8-
By inserting the empty cartridge (31) from the cartridge insertion slot (7a), the recording disc (1
) and cartridge head (3). It should be noted that at this mid-insertion position, the recording lift plate (36) is lowered by the action of the rotary lever (41) in order to avoid collision between the cartridge (2) and the elevating body (33). Not even.

In addition, in the above embodiment, the inclined part (29C) of the rack board
By locking the arm (55) and roller (56), the movement of the movable body T97 was caused to raise and lower the recording disk (11), but this can also be predicted by other locking mechanisms, i.e., Figs. The figure shows another embodiment, and (55) is a rotating rod F (4
5) Binion gear fixed to the end, (290) is a rack tooth provided on a part of the rack plate, and the pinion gear *
(55) and the rack tooth (29a) are in a positional relationship that does not interfere with each other. In the device configured as shown in Figures 1K11 to 12, when reproducing the recording disk (1),
Since both pinion seats (55) are in the non-contact range (29d), the rotating rod (55) is stopped, but the moving body (9
When the car returns to the standby position, the fifth and first rotating rods (45
) rotates, and the recording disk (1) is raised and lowered.

Further, in the above embodiment, the torque obtained from the drive of the moving body (91) is applied to the rotating rod (45) and the rotating pipe (49).
) The recording disk (1) is raised and lowered by the coupling action of the moving body +91, which rotates the cam plate, and the cam plate is provided with a lift play (36) and a lower finger (66). The same operation as in the above embodiment can also be obtained by engaging the .

As described above, the present invention allows the recording disk (1) to move up and down by engaging with the movement of the movable body (9) at necessary times. Since it is not necessary, the cost is low, and there is no need to operate a lever or the like when installing or retrieving a recording disk, which has the effect of providing good operability.

[Brief explanation of the drawing]

Figure 1 is a perspective view showing the recording disk and the cartridge that stores it, and Figure 2 is a perspective view showing the state when the cartridge is inserted. A perspective view common to a reproducing apparatus and an embodiment of the present invention; FIG. 3 is a perspective view showing a recording disk reproducing apparatus according to an embodiment of the present invention; Figures 4 to Wg6 are detailed views of the arrows ■ to ■ in Figure 183, and Figures 7 to 10 are detailed views of the main parts of Figure 3 to show the operation.8188! a is the m view of Fig. 7, @ 11
~Figure 12 is a diagram showing another embodiment of the present invention, 81
Figure 2 is a side view of Figure 11. (1)...Recording disc, (2)...Cartridge, (
9]...mobile body, aO...signal detector, (13-...
・Moving body drive device, +21...Rack plate, (33)
... Elevating body, (34) ... Pantograph mechanism,
(41)... Rotating plate, (45)... Rotating rotary l', (44)... Rotating pipe, (60)...
In the clamp mechanism, the same reference numerals in Figure 1 indicate the same parts. Makoto Kazuno - Figure 1, Figure 2, Figure 4, Figure 5, Figure 6, Figure 7, □ Figure 9, Figure 10

Claims (1)

[Claims] A moving body equipped with a recording disk, a signal detector for detecting a signal from the recording disk, a moving body drive device for moving the moving body in the radial direction of the recording disk, and the signal detector. A moving body drives a first position of the recording disk where a signal can be detected and a second position separated from the $1 position from the outermost recording position of the recording disk to a standby position in the outer circumferential direction. When the moving body moves from the first position to the second position in response to the moving body, when the moving body moves from the standby position to the outermost recording position, the recording disk moves from the first position to the second position in response to the moving body. - An engagement mechanism for moving the recording disk from the second position to the first position in response to a moving object.