JPS60197975A - Automatic reproducing device of video disk - Google Patents

Abstract

PURPOSE:To attach and detach automatically a contained desired disk to and from a player, by simple constitution, by moving freely a carriage provided with a holding arm, between a video player and a disk store shelf in a case body. CONSTITUTION:A lifting member 24 ascends and descends electrically along a guide, etc. of a support 22 through a feed screw 14, etc. in a case body 1. A carriage which is driven electrically, moves freely and can hold a disk 5 by opening and closing is provided on this member 24, and the carriage moves freely between a shelf 9 of video players 11, 12 and a shelf 5 of the disk 5 in the case body 1. According to a simple constitution by the carriage used in common to many disks and plural video players, a desired disk can be installed automatically to the video player by operating an operating button 140.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a video disc automatic playback device that is capable of automatically playing a plurality of video discs.

(Prior Art) Conventionally, when a worker wants to play back desired information recorded on a video disc, he or she first searches for the video disc from a storage shelf and manually plays it with a playback device (
player) and by a display device such as a television receiver connected to the playback device.

The desired information was displayed as an image.

However, manually searching for a video disc from a storage shelf and setting it on a playback device is complicated and troublesome.

Also, in hotels, etc., movies etc. recorded on video discs are continuously played back and transmitted to the TV receivers in each room, and in department stores, etc., advertising images recorded on video discs are played back. In the past, when it was desired to broadcast the video continuously on a suitable display device, all the work of replacing video discs had to be done manually, which had the disadvantage that the replacement work was complicated.

Furthermore, when playing audio-only records or music tapes, it is not a big concern if the audio is interrupted, but in the case of video equipment, the playback image is mainly displayed by the television receiver. Therefore, if the playback image is interrupted due to the work of replacing the video disc, the screen of the display device will be distorted, causing considerable discomfort.

(Object of the Invention) The first object of the present invention is to automatically take out a desired video disc from among a plurality of video discs stored in a storage shelf and load it into a playback device, thereby enabling automatic continuous playback of video discs. ,
An object of the present invention is to provide a video disc automatic playback device that enables automatic recall of necessary data.

A second object of the present invention is to provide a video disc automatic playback device that can reduce as much as possible the interruption time of images due to video disc replacement work, etc.

A third object of the present invention is to provide video disc automatic playback with a simpler structure than the conventional one by sharing a single disc transport device for a plurality of video disc playback devices. The goal is to provide equipment.

(9! Structure and effect of light) The present invention includes a box, a storage shelf provided in the box for storing a plurality of video discs, and a storage shelf provided in the box and with a video disc playback function. A pair of gripping arms capable of gripping a video disc are attached to a carriage provided inside the box so that the video disc player can be moved between the video disc player and a storage shelf, By including a disc transport device capable of transporting video discs from a storage shelf to a video disc player and vice versa, automatic continuous playback of video discs and automatic recall of necessary data are made possible.

Further, the present invention provides the above-mentioned apparatus, in which a plurality of video disc players are arranged in parallel, and switching means is provided for switching and supplying each image signal from the video disc players to an output terminal, and the disc transport device is connected to any one of the video disc players. The disc player also has the ability to supply discs from the storage shelf and return them to their original positions, thereby shortening the interruption time of the image signal and simplifying the structure.

(Example) Hereinafter, one embodiment of the present invention will be described based on the drawings.

In Figures 1 and 2, a plurality of shelves (3) are attached to a pair of left and right columns (2) provided at the front of the box (1).
Storage shelves (4) arranged vertically at appropriate intervals
) is provided. On both sides of the video disks (hereinafter simply referred to as disks) placed on each of the shelf boards (3), image signals of, for example, movies are recorded in a spiral or a perfect circle.

A door (7) having a viewing window (6) fitted with translucent glass or the like is hinged to the front of the box (1) with a hinge (8), and the door (8) can be opened. In this state, the disks (3) can be taken in and out of each shelf board (3) from the outside.

A pair of upper and lower support plates (9) located above the storage tank (4) and fixed to the support column (2) are equipped with a known video disk having a function of reproducing the recorded contents of the disk (5). The player (hereinafter referred to as the player) (11) (12) is
Each is placed there.

Disk positioning devices (13), which will be described later, are provided at the top and bottom of the storage section (4), respectively, and the disks (
5) into each side plate (3), insert the disc (5)
It is designed to perform positioning.

The upper part of the feed screw (14) facing in the vertical direction located at the rear left inside the box body (1) is supported by the upper plate (15a) of the box body (1), and the lower part of the feed screw (14) is mounted on the top plate (15a) of the box body (1). The lower plate (15b) of the body (1) is supported by a fixed bearing (16).

The output shaft of the motor (17) provided on the lower plate (15b) behind the feed screw (14) projects downward into the lower plate (15), and a gear (18a) is fixed to its lower end. has been done. This gear (18a) is connected to the lower plate (15b)
Inside, it meshes with a gear (18b) fixed to the lower end of the feed screw (14).

As shown in FIGS. 5 and 6, this feed screw (14) has a tube shaft (
19a) are screwed together. A roller (21) is pivotally attached to the rear surface of the free end of the bending plate (19b) formed at the front of the bracket (19), and this roller (21) is mounted on the top of the box (1). The outer part (22a) of the vertical support (22) is fixed at each end to the plate (15a) and the lower plate (15b).
) is in contact with the

The bracket (19) has a lifting member (2) facing in the front-rear direction.
4) is fixed by a bolt (20).

A carriage (25) is located behind the storage section (4), as shown in FIGS. 3 and 4. On the outer surface of the side plate (26) of the carriage (25), a plurality of guide rollers (27) are mounted on the shaft (28) with appropriate gaps above and below.
It is pivoted by. This guide roller (27) is
A horizontal guide plate (
29) is held between the top and bottom and rolls.

A plurality of guide rollers (32) are mounted on the back side of the upper plate (31) of the carriage (25). It is designed to roll more tightly.

In the hole (34) drilled in the lower part of the side plate (26), a guide roller (35) whose curved surface is partially in contact with the lower inner surface of the elevating member (24) is pivoted by the shaft (36). It is worn.

In FIGS. 3 and 7, a pair of pulleys (37) (38) around which an endless wire (36) is wound is attached to the front and rear of the lower surface of the elevating member (24), and a shaft (39) (41) They are each pivoted with .

An idler gear (43) meshing with a gear (42) integral with the pulley (37) is pivotally connected with a shaft (45) to a support member (44) fixed to the front outer surface of the carriage (25). ing.

A worm (47) meshing with a worm gear (46a) integrated with the idle gear (46) is fixed to an output shaft of a motor (48) fixed to a support member (44).

A pin (51) whose free end is locked to the wire (36) is fixed to the mounting plate (49) (see Fig. 3) at the bottom of the side plate (26) of the carriage (25). Ori,
By reversing the pulleys (37) and (38), the carriage (25) is guided by the elevating member (24) and moves back and forth.

In FIG. 4, a pair of bearings (52) and (53) are provided on the upper surface of the upper plate (31) of the carriage (25), and these bearings (52 and 53) have a flange at the front end. (5
4) is pivotally supported. A flange (56) and a worm gear (56a) integral with the flange (56) are pivotally supported on the tube shaft (55).

In Fig. 3, the output shaft (57a) of the motor (57) fixed to the lower surface of the upper plate (31) is connected to the upper plate (31).
is loosely inserted, and the worm (58) provided therein meshes with the worm gear (56a).

A tension spring (50
) are respectively locked.

A mouth-shaped rotating member (59) that opens forward is fixed to the front surface of the flange (54).
9) has a pair of gripping arms (61) (62
) are pivoted by shafts (63) (64).

At the free ends of the gripping arms (61) (62), gripping members (67) (68) made of an elastic body having inward mountain-shaped recesses (65) (66) are provided at the free ends of the gripping arms (61) (62). An operating lever (69) facing left and right is inserted into the front part of the fixed six-rotation arm (59) so as to be movable back and forth, and one end is pivotally connected to each end of the lever (69). The other end of the link (71) (72) is a gripping arm (61)
(62).

A pin (73) fixed to the center of the actuating lever (69) and protruding in the vertical direction is loosely inserted into an elongated hole (74) in the longitudinal direction formed in the upper and lower parts of the rotating arm (59).

A support member (77) having bent pieces (75) (76) on the left and right sides is fixed to the upper surface of the upper plate (31) of the carriage (25). teeth,
Slide plates (78) and (79) are inserted in a superimposed manner.

A wire (81), one end of which is locked to the inner end of the slide plate (78), is attached to a shaft (82) that is coaxial with the upper plate (31).
), and after passing through the tube shaft (55), the pin (7
3) is multiplied.

The shaft (63) to which the gripping arms (61) (62) are pivotally connected
(64) is wound with torsion springs (84) (86), one end of which is connected to the gripping arm (61) (62).
), and the other end of the bracket is locked to the inner wall surface of the rotating member (59).

The gripping arms (61) (62) are equipped with torsion springs (84).
Due to the elasticity of (85), the free end tends to open, and the pin (73) contacts the front end of the elongated hole (74) to restrict the opening of the gripping arms (61) and (62). There is.

In Fig. 1θ and Fig. 11, the slide plate (78)
A screw (88) whose end is in contact with the bending piece (76) is screwed into the bending piece (78a) formed on the upper part of the bending piece (78a), and by adjusting this screw (88), , the opening of the gripping arms (61) (62) can be adjusted.

A tension spring (8) is attached to the bent pieces (78b) and (79a) formed at the bottom of the slide plate (78) (79).
o) are respectively locked, and the sliding plate (7
The stopper (79b) provided at the lower part of the slide plate (78) is in contact with the bent piece (78b) of the slide plate (78).

In FIG. 11, the bent piece (76) of the support member (77)
and a support plate (92) attached to the support plate (91) with appropriate cut-up.
) has a detection member (
93), (94), and (95) are fixed respectively.

These are equipped with, for example, a light emitting element and a light receiving element (both not shown), and have a folded piece (7) of a slide plate (78) (79).
8b) Detects the position of (79a).

Further, as shown in FIG. 4, each support plate (96) (97) fixed to the bent piece (76) and the upper plate (31) has a detection member (98) ( 99) is provided. These detect the position of the bent piece (101) provided at the rear of the rotating member (59).

The bent piece (76) of the support member (77) and the U-shaped bent piece (
A top plate (103) is attached to the top plate (102), and a worm gear (105) and a shaft (104) pivotally connected to the top plate (103) and the support member (77) are attached to the top plate (102). A pulley (106) is pivotally mounted.

The other end of the wire (107), which is wound around the pulley (106) and is locked at one end, is connected to the slide plate (79).
It is locked to a downwardly directed bent piece (108) provided at the upper end of the holder. A motor (1
09) is fixed, and a worm (112) provided on its output shaft (111) meshes with a worm gear (105).

FIG. 13 shows details of the disk positioning device (13).

At the front end of the board (113) of the disk positioning device (13), L-shaped leg pieces (114) are provided on the left and right sides for attaching the board (113) to a proper position on the box body (1).

The base of a veneer plate (116) is superposed and fixed to the upper surface of the slide plate (115). Slide plate (115
) and a pair of elongated longitudinal holes (117) bored in the veneer (116), through which a small diameter portion of a stepped shaft (117) co-nucleated in the base plate (113) is inserted, and a snap It is marked by a ring (118).

A tension spring (122) is attached to a pair of bent pieces (119) provided at the rear of the slide plate (115) and a pair' of cut and raised pieces 121) provided at the front of the board (113). ) are locked at both ends. A pair of bent pieces (123) provided at the front end of the slide plate (115) have screws (12
4) are screwed together, and the end of the screw (124) is connected to the board (
A pair of cut-and-raised grooves 125) provided at 113) are in contact with each other.

A pair of positioning levers (1
The mouth-shaped mounting provided in the center of the part (127)
) is pivotally mounted by a shaft (12g).

A pin (132), which corresponds to the inner end of the positioning lever (126), passes through a rectangular hole (133) drilled in the slide plate (115) and abuts against its front track.

The dimensions of the hole (133) are such that the pin (132) can move slightly in the front-back direction.

The short arm (1) whose base is fixed to the positioning lever (126)
34) is provided with an upwardly facing claw (135) at its rear end. A locking member (
An L-shaped leg (137) provided on the inner edge of the locking member (136) is fixed to the inner edge of the stopper (138), which is a downwardly bent piece provided on the outer end of the locking member (136). The outer edge of the claw (135) of the short arm (134) is located in the front part.

At the outer end of the positioning lever (126) is a disc (5).
The lower end of a rod (139) that positions the outer edge of the rod (139) is fixed.

Disk positioning device configured in this way (
13) are provided vertically symmetrically at the upper and lower parts of the box body (1), respectively, and the upper and lower ends of the rod (139) are attached to the outer ends of the positioning levers (126). I support each.

An operation panel (140) is provided at the upper front of the box (1). By operating various operation buttons (140a) provided on this operation panel (140), each of the above-mentioned members is operated as described later by a control device (not shown).

Next, the operation of the video disc automatic playback device configured as described above will be explained.

After setting the continuous playback order of the discs (5) in the storage shelf (4) and other conditions using the various operation buttons (140a) on the operation panel (140), press the start button (not shown). The motor (17) rotates and the elevating member (24) moves up and down to a position corresponding to a predetermined disk.

In FIG. 2, when a switch (not shown) for selecting the disk (5) provided in the disk positioning device (13) is operated, the motor (17) rotates and the elevating member (24) is moved to a predetermined position. It is designed to move up and down to a position corresponding to the disk (5).

Next, the carriage (25) moves forward due to the rotation of the motor (48) shown in FIG. 7, and the gripping members (67) (68)
) are located on both sides of the disk (5), the carriage (25) stops.

In this state, the motor (109) shown in FIG. 4 rotates, rotates the pulley (106) counterclockwise in FIG. 4, and moves the slide plate (79) outward. As a result of this movement, the other slide plate (78) moves in the same direction via the spring (80), pulls the wire (81), and moves the actuating lever (69) backward (downward in FIG. 4). .

By retracting the operating lever (69), the link (71) (7
2), the gripping arms (61) (62) rotate in the direction in which their free ends close, and the gripping members (67) (67) (
68) grips the left and right sides (5a) (5a) of the disk (5), as shown in FIG.

When the gripping members (67) (68) grip the disc (5), the sides (5a) (5b) of the disc (5)
), as shown in FIG.
It is supposed to slide upwards.

By gripping the disc (5) while lifting it slightly in this way, even if the height of the gripping member (67) (6g) is slightly different, the disc (5) can be placed on the shelf board (3).
I press it to make sure it doesn't get damaged.

When the gripping arms (61) (62) close, the video disc (5) is placed on the shelf (3) or in the player (11).
(12), the bent piece (78a) of the slide arm (78) passes through the detection member (94) without stopping at the position shown in FIG. Only the bent piece (79a) is the detection member (95)
Detected by

Therefore, it is possible to detect that the closing operation of the gripping arms (61) (62) was a malfunction. When this malfunction is detected, the carriage (25) and the gripping arms (61) and (62) can be kept on standby at a retreated position behind the shelf board (3) without moving on to the next operation.

Further, in order to place the video disc gripped by the gripping members (67) (68) on the player (TT) (12) or the shelf board (3), the motor (109) is rotated in reverse and the gripping arm (61) and (62) are designed to open.

When the slide arm (78) moves to the left from the position shown in FIG. 12 and its bent piece (78a) is detected by the detection member (93) as shown in FIG. The rotation of (109) is stopped.

When the gripping arms (61) (62) are in the open state as shown in FIG. ), when the motor (109) starts rotating, both slide arms (78) (79) move from the position shown in FIG.
-Move to the right together.

The gripping arms (61) (62) are closed as described above and the recesses (65) (6) of the gripping members (67) (6B) are closed.
6) begins to abut against the side line portion of the disk (5), the bent piece (78a) of the slide arm (78)
As shown in FIG. 12, the detection members (94) are positioned and stopped.

Meanwhile, the motor (109) continues to rotate, and only the slide arm (79) moves to the left in FIG. 11 while resisting the elasticity of the spring (80).

When the bent piece (79a) of this slide arm (79) is detected by the detection member (95), the motor (10
9) is designed to stop rotating.

In this state, the spring (80) is attached to the slide arm (
79), so the slide arm (
78) is urged to the left in FIG. 11 with an appropriate force, thereby applying an appropriate gripping force to the gripping arms (61) and (62) to accurately hold the video disc (5). can be grasped.

When the gripping of the disk (5) is completed, the motor (48) shown in FIG. 7 rotates in the reverse direction, and the carriage (25) retreats to a predetermined position.゛Of the screen recording surface of the disc (5) taken out by the gripping arm (61) (62), the desired recording content is on the opposite side of the pickup head (not shown) of the player (11) (12) For example, if the motor (57) shown in FIG. 3 rotates to move the worm (56) and rotating member (59) to the third
Rotate counterclockwise in the figure. , rotating member (59
) is rotated half a turn, and the bent piece (101) detects the detection member (99).
When the motor (57) stops rotating,
Turn the disc (5) upside down.

When the carriage (25) has retreated to a predetermined position and the desired recording surface is facing in the optimum direction for the players (11) and (12), for example, upward, as shown in FIGS. 2 and 6. The motor (17) rotates to raise the elevating member (24), and the member (24) rises to the position corresponding to either player (11) or (12) where the disc (5) is to be set. When this occurs, the motor (17) is configured to stop.

In this state, the motor (48) shown in FIG. 7 rotates normally again to move the movable member (25) forward and
5) is at a predetermined position on the player (11) or (12), the motor (48) stops and the disc (
5) is made to stand still on the player (11) or (12).

Next, the motor (57) shown in Figure 3 is reversed and opens the gripping arms (61, 62) to release the disc (5).

Set this on the player (11) or (12).

In this way, the player (11) or (12) in which the disc (5) is set operates, and the disc (5) is set in the player (11) or (12).
The recorded content of 5) is played back. During this time, there are 5 played discs on the other player (11) or (12).
) is placed, the regenerated disk (5) is lifted by raising and lowering and moving back and forth the movable member (25) as described above and opening and closing the gripping arms (61) and (62).
can be taken out from the player (11) or (12) and placed back on the shelf (3) in the storage section.

In addition, after flipping the gripping member upside down, press the player (
11) When set to (12), the gripping arm (6
1) After gripping the disk (5) with (62), move the carriage (25) backward and move the gripping arm (61)
(62), then move the carriage (25) again
advance to the same player (11) or (12),
All you have to do is reset the disk (5).

In addition, when returning the disc (5) to the storage section (4), if the disc (5) is placed on the player (11) (12) with its back side (Side B) facing up, the gripping arm (6)
1) (62) is the surface (A side) after inverting the disk (5).
Return it to the storage part (4) with it facing upward.

In this way, the selected desired disc (5) in the storage shelf (4) can be played by an empty player (11) or (12).
), and the played disc (5) is
The storage shelf (4) is automatically returned to its original position on the shelf board (3).

When storing the disc (5) in the storage shelf (4) for the first time,
Or, in order to exchange the already stored disc (5) with another disc (5), if it is not placed in the correct position on the shelf board (3), the gripping arms (61) (62)
Since the disc (5) cannot be gripped accurately by the handle, when placing the disc (5) on the shelf board (3) from the outside, it is necessary to control the position of the disc (5) on the shelf board (3). It is necessary to do it.

1 and 3, when the front door (7) of the box body (1) is opened, the front end (
116a) is a kudzu that protrudes forward from the front plate (1a) of the box body (1).

At this time, the positioning lever (126) of the disk positioning device (13) comes to the operating position for positioning the disk (5), as shown by the solid line in FIG.

That is, the rods (139) of the positioning lever (126) are waiting on both sides of the rear of the shelf board (3), and when the disk (5) is inserted into the storage shelf (4) from the front of the box (1), , the rear left and right edges of the disc (5) are connected to rods (139
), the disc edge (5) comes to a predetermined position on the shelf board (3).

After inserting the disk (5) into the storage shelf (4), when the door (7) is closed, the push rod (
Push in the front end (116a) of the push rod (
116) and the locking member (136) are moved back as shown in FIG.

When the slide plate (115) retreats, the hole (133)
The front edge of the rod (139) suppresses the pin (132) and rotates both the positioning levers (126)' to the retracted position where they are expanded to the left and right and become almost straight. Retract to a position to the side of the disk (5) as shown in the figure.

In this state, it becomes possible to insert the disk (5) into each shelf board (4) of the storage shelf (3) from behind. Its entry and exit have already been described.

In FIG. 13, the stopper (1) of the locking member (136) is
A small gap is provided between the stopper (138) and the claw (135) when the inner surface of the door (38) and the claw (135) of the short arm (134) are moved back to close the door (7). When retracting the slide plate (115) by pressing the claw (135)
the stopper (138) before it reaches the stopper (138) position.
8) is retracted so that rotation of the claw (135) is not blocked.

However, on the contrary, the positioning lever (126)
When attempting to rotate it to the retracted position as shown in FIG. 14, the claw (135) collides with the stopper (138), so
Rotation of both positioning levers (126) is prevented.

That is, the positioning lever (126) is opened only by the back and forth movement of the push rod (116) driven by the door (7), and is not opened by any other external force. for example,
When the disk (5) is strongly pushed into the storage shelf (4) from the front, the positioning lever (126) will not expand even if the disk (5) presses the rod (139).

Figure 15 shows an alternative mechanism for driving the positioning lever (126).

Inverted T-shaped holes (142) are bored on both the left and right sides of the slide plate (142), and the pin (126) of the positioning lever (126) is inserted into the six (142) vertical holes (142a). 132) is inserted.

When the push rod (116) is pushed back by the door (7), the pin (132) is inserted into the side hole (14) of the hole (142).
After coming into contact with the front edge of 2b), the positioning lever (126) rotates while being guided inward.
The rod (139) can be retracted to a released position as shown in FIG.

However, when the door (7) is open and the positioning lever (126) is attempted to be rotated in the state shown in FIG. Since rotation is prevented, it cannot be rotated in the same way as in the case of FIG. 13.

As described above, in the illustrated embodiment, a plurality of video discs are stored in storage shelves that are provided in the box body so that they can be freely taken out in the front and rear directions, and are arranged at appropriate intervals in the vertical direction at the front part of the box body. Above the storage shelf, players for playing the discs are installed in two stages, upper and lower. Inside the box at the rear of the storage shelf, a carriage that can move up and down and back and forth is installed in the middle part, with left and right players installed. A gripping arm is provided whose free ends can be opened and closed, and the left and right free ends can be rotated half a turn in the direction of switching directions, and the vertical movement and back-and-forth movement of the carriage and the opening/closing and half-rotation movement of one gripping arm are provided. Through cooperation, it is possible to automatically exchange the disc on the player with a desired disc and select the recording surface of the disc, which is convenient.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of one embodiment of the present invention, Fig. 2 is a left side view with the side plate removed, Fig. 3 is a view taken along arrow A-A in Fig. 2, and Fig. 4. is a plan view of FIG. 3, FIG. 5 is an enlarged side view of the elevating member drive unit in FIG. 2, FIG. 6 is a view taken along the line B-B in FIG. FIG. 8 is a longitudinal sectional front view showing the relationship between the disk and the gripping member when gripping the disk. FIG. 9 is a plan view as well, and FIG. 11 is a plan view of the first θ view, FIG. 12 is an operational view of FIG. 10, and FIG. 13 is a plan view of the disk positioning device. FIG. 14 is an operational view of FIG. 13, and FIG. 15 is a plan view showing another embodiment of the disk positioning device. (1) Box (1a) Front plate (2) Support (3) Shelf (4) Storage shelf (5) Disk (6) Peephole (7) Door (8) Hinge (9) Support plate (11) ( 12) Video disc (13) Disc positioning device (14) Feed screw (15a) Upper plate (15b) Lower plate Bearing (17) Motor (18a) (18b) Gear (19)
Bracket (20) Bolt (21) Roller (22) Support column (24) Lifting member (25) Carriage (26) Side plate
(27) Idle roller (28) Axis (29) Guide plate (31) Upper plate (32) Guide roller (33) Guide plate (34) Hole (35) Guide roller (36) Wire (37) (3
8) Pulley (39) Shaft (41) Shaft (42) Gear (43) Idle gear (44) Support member (45) Shaft (46) Idle gear (46a) Worm gear (47) Worm (48) Motor (49) Mounted on plate (50) spring (51) pin (52) (53) bearing (54) flange (55) tube shaft (56) flange (56a) worm gear (57) motor (58) worm (59) rotating parts (69) Actuation lever (71) (72) Link (73)
Pin (74) Elongated hole (75) (76) Slide plate (80) Spring (81)
Wire (82) Shaft (83) Guide roller (84) (85) Torsion spring (86) (87) Pin (88) Screw (89) Spring
(91) Cut and raise 92) Support plate (93) (94) (95) Detection member (96) (97) Support plate (98) (99) Inspection
(101) (102) Bent piece (103) Upper plate (104) Shaft (105) Worm gear (106) Pulley (107) Wire (108) Bent piece (109)
Motor (111) Output shaft (112) Worm (113) Board (114) Leg piece (115) Slide plate (116) Push rod (117) Elongated hole (118) Snap ring (119) Bent piece (1
21) Kiri-Oishiku 122) Spring (123) Double folded piece (124) Screw (125) Kiri-Oishiku 126) Positioning lever (127) Installation is on part (12)
8) Shaft (129) Bin (131) Tension spring (132) Pin (133) Hole (134) Short arm (135) Claw (136) Locking member (137) Leg (138) Stopper (139) Rod (140) ) Operation panel (140a)
Operation button (141) Slide plate - (142) Hole (14
2a) Vertical hole (142b) Horizontal hole Fig. 6 Fig. 5 22 Fig. 7 Fig. 8

Claims (4)

[Claims] (1) A box, a storage shelf provided within the box for storing a plurality of video discs, a video disc player provided within the box and having a video disc playback function, and the video disc. A pair of gripping arms capable of gripping a video disc are attached to a carriage provided inside the box so as to be movable between the player and the storage device, and the desired video disc can be moved from the storage shelf to the video disc player. What is claimed is: 1. An automatic video disc playback device comprising: a disc transport device capable of transporting a disc in the forward and reverse directions; (2) a box; a storage machine provided within the box for storing a plurality of video discs; and a plurality of video disc players provided within the box, each having a video disc playback function; , a switching means for selectively switching the image signal of each video disc and supplying it to the output terminal, and a carriage provided in one box so as to be movable between each of the video disc players and the storage shelf. and a disc transport device which is equipped with a pair of gripping arms capable of gripping a video disc, and can transport a desired video disc from a storage machine to each video disc player and vice versa. Disc automatic playback device. (3) The video disc automatic playback device according to claim (2), wherein a storage shelf and each video disc player are vertically arranged in a row. (4) The video disc automatic playback device according to claim (3), wherein the gripping arm is rotatably mounted on the carriage around a horizontal axis.