JPH11176062A - Reproducing device of information recording medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure the positioning of a transporting mechanism of a transporting means for information recording medium by increasing the housing number of information recording media and suppressing the enlargement of the scale of a reproducing device. SOLUTION: The device is provided with a disk holder 120, a reproducing part 300 of information recording medium and a transporting arm 250 for transporting the information recording medium D to the reproducing part of information recording medium, then partition plates 121 for information recording medium nonparallel with each other are radially arranged on the disk holder while being positioned between the information recording medium D to be housed, and the transporting arm 250 is positioned for transportation from the outer peripheral edge side at the upper part of the information recording medium D' adjacent to the information recording medium D at the return transportation place on the disk holder 120 when the information recording medium D is transported to the disk holder 120 from the reproducing part of information recording medium provided at the center part of the inner peripheral side of the disk holder 120, and the outer peripheral edge of the information recording medium D is inserted to the initial housed position from the side 121b of the outer peripheral side having a large distant width of the parting plate for information recording medium.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information recording medium reproducing apparatus capable of accommodating a plurality of information recording media such as CDs in a storage section.

[0002]

2. Description of the Related Art In recent years, in order to increase the storage efficiency of an information recording medium such as a CD, an information recording medium reproducing apparatus which accommodates many information recording media in a rack provided inside the main body of the information recording medium reproducing apparatus has been developed. Widespread. As an information recording medium reproducing apparatus designed to increase the accommodation efficiency of such an information recording medium, Japanese Patent Application No. 8-210 filed by the present applicant has filed.
No. 28310 proposes an information recording medium reproducing apparatus provided with a circular rack as shown in FIG. Further, Japanese Patent Application Laid-Open No. 59-104759 discloses an information recording medium reproducing apparatus as shown in FIGS. 25 and 26.

First, in FIG. 24, reference numeral 1 denotes an information recording medium reproducing apparatus main body constituting an information recording medium reproducing apparatus, and a roulette mechanism is provided on a chassis base 2 of the information recording medium reproducing apparatus main body 1. The part 3 is attached. Then, the roulette base 3 of the roulette mechanism 3
A roulette table 3b having a circular shape is rotatably provided on an upper surface of the roulette table a, and is rotatably moved by the roulette mechanism 3. A lower end of a support shaft 3c is attached to an upper surface of the roulette table 3b, and a lower end of a center post 5 is attached to an upper end of the support shaft 3c. The center post 5 has a center of a plurality of racks 4a to 4e. Hole 4
Are attached at a predetermined interval from each other. A fan-shaped door 6 is supported at the upper end of the center post 5 so as to be rotatable about a rotation shaft 6a.

On the upper surface of the roulette base 3a,
A loading mechanism 7 is provided so as to be able to move up and down. An arm (not shown) for holding an information recording medium (CD or the like) D is provided inside the loading mechanism 7.
And an arm 7a for taking out the information recording medium D stored in the information recording medium storage section 40 of the racks 4a to 4e is attached to the end of the loading mechanism 7 in a horizontal state. It is.

[0005] A casing 8, a back plate 9 and an operation panel 10 are mounted on the chassis base 2. An opening 10 a of the operation panel section 10 through which the information recording medium D is inserted and removed is opened and closed by the fan-shaped door 6.

Further, notches 41 are provided in each of the racks 4a to 4e so that the arms 7a of the loading mechanism 7 do not catch on any of the racks 4a to 4e when the loading mechanism 7 moves in the vertical direction. Have been. An encoder (not shown) having an outer periphery detection plate and an inner periphery detection plate in the circumferential direction is disposed on the back side of the racks 4a to 4e. A sensor (not shown) having a light-emitting unit and a light-receiving unit is positioned at the sandwiched position, and the storage position of the information recording medium D in the racks 4a to 4e is determined by the light detection of the sensor. I have.

[0007] In the information recording medium reproducing apparatus configured as described above, when the information recording medium D to be reproduced is selected by the selection button on the operation panel section 10, the racks 4a to 4a to 4n are displayed.
4e is rotated synchronously by the rotation of the center post 5, and the position of the information recording medium storage section 40 is detected by the encoder and the sensor. Is positioned. When the information recording medium accommodating section 40 is positioned, the arm 7a of the loading mechanism 7 enters from the bottom side of the information recording medium accommodating section 40, and at the same time, the information recording medium D is moved by an arm (not shown) inside the loading mechanism 7.
The information recording medium D is reproduced by inserting it into the loading mechanism 7 side.

FIGS. 25 and 26 show an example of an information recording medium reproducing apparatus, and the same reference numerals are given to the same elements as those in the conventional example. The information recording medium reproducing device is
A frame 12 is provided rotatably provided in a frame 11, and the frame 12 is rotated by a frame rotating device 13. The accommodation table 12 accommodates a plurality of information recording media D. Reference numeral 14 denotes a holding table, on which an information reading / writing device 15 and an arm driving device 17 for driving an arm 16 are attached. . The information reading / writing device 15 is provided with a guide 15a for smoothly inserting the information recording medium D. Reference numeral 18 denotes an insertion port for the information recording medium D, and 19 denotes a screw for driving the arm 16. A claw 16 a is attached to the arm 16.

In the information recording medium reproducing apparatus configured as described above, when one of the information recording media D on the housing table 12 is selected, the selected one of the information recording media D is inserted into the insertion slot of the information reading / writing device 15. It is rotated by the accommodation table rotating device 13 until it is located in front of 18. Next, the arm 16 is moved in the x direction in the figure by the arm driving device 17, and the information recording medium D is moved by the arm 16 to the information reading / writing device 15.
In the state of d shown by the broken line in the figure. Here, after the reading and writing of information are performed, a part of the information recording medium D comes out of the insertion slot 18 by the function of the mechanism of the information reading and writing device 15 itself. So arm 1
The detection means (not shown) provided at 6 detects whether the information recording medium D is in contact with the arm 16. When they are in contact, the claw 1 is moved by a solenoid (not shown).
6a is rotated in the y direction in the figure, and the information recording medium D is gripped. On the other hand, if there is no contact, the arm 16 is moved by the arm driving device 17 in the x direction in the figure until the information recording medium D comes into contact, and when the contact is detected,
The information recording medium D is grasped at a. Next, the arm 16 is moved in the x 'direction in the figure by the arm driving device 17, the information recording medium D is stored at the original position on the storage table 12, and a series of operations is completed.

[0010]

In the conventional information recording medium reproducing apparatus shown in FIG. 24, the racks 4a to 4
e, and the information recording medium D is placed on the information recording medium D by the loading mechanism 7 disposed outside the racks 4a to 4e.
In the above-described information recording medium reproducing apparatus, when a large number of information recording media D are to be further accommodated, for example, racks of the same type are further arranged in multiple stages in the vertical direction of the racks 4a to 4e. Or racks 4a-4e
It is conceivable to increase the number of information recording media D by further increasing the diameter of the device, but in any case, the size of the device and the cost associated with the size of the device are increased, which is uneconomical. Further, since the operations of the loading mechanism 7 and the arm 7a are complicated when the information recording medium D in the racks 4a to 4e is carried out and returned, the mechanism for driving them becomes complicated, and the number of parts increases. However, there is a risk that the cost will increase.

Next, in the information recording medium reproducing apparatus shown in FIGS. 25 and 26, the information reading and writing apparatus 15 and the information recording medium D are positioned by rotating the accommodating base 12, and thereafter the information recording medium D is reproduced. The information reading / writing device 15 reads the information, and reads and writes the information. In the information recording medium reproducing device, if the accommodation efficiency of the information recording medium D is to be further increased, for example,
It is conceivable to arrange a large amount of information recording media D in the housing 12 by enlarging the diameter of the housing 12, but this leads to an increase in the size of the apparatus and an increase in cost associated with the enlargement of the apparatus. It is uneconomical. Further, the information read / write device 15
When the reproduction of the information recording medium D is completed and returns to the original position on the accommodation table 12, it is necessary to move the information recording medium D from the information reading / writing device 15 on the inner peripheral side to the accommodation table 12 on the outer peripheral side. For this reason, it is necessary to increase the positioning accuracy of the arm driving device 17 and the driving screw 19, and there is a possibility that the cost of parts increases.

The present invention has been made in view of such circumstances, and while increasing the number of information recording media accommodated in the information recording medium accommodation means, it is possible to suppress an increase in the size of the apparatus and to reduce the size of the information recording medium. It is an object of the present invention to provide an information recording medium reproducing apparatus which ensures the positioning of the transport mechanism of the information recording medium transporting means when returning the information recording medium into the information recording medium accommodating means.

[0013]

According to one aspect of the present invention, an information recording medium is provided in a housing and is capable of accommodating a plurality of information recording media. Means, an information recording medium reproducing means provided adjacent to the information recording medium accommodating means for reproducing a selected information recording medium, and an information recording medium selected from the information recording medium accommodating means for reproducing the information recording medium. In the information recording medium reproducing device comprising an information recording medium conveying means for conveying the information recording medium, the information recording medium accommodating means has an information recording medium partition plate positioned between the accommodating information recording media and mutually non-parallel. When the information recording medium conveying means conveys the information recording medium from the information recording medium reproducing means to the information recording medium accommodating means, the information recording medium is Contact is characterized in that each other is inserted from the larger side of the spacing width of the non-parallel information recording medium partition plate in the information recording medium accommodating unit.

[0014] The invention according to claim 2 is characterized in that the information recording medium partition plate of the information recording medium accommodating means is radially arranged.

According to a third aspect of the present invention, the information recording medium reproducing means is provided at a central portion of the radially arranged information recording medium partition plates.

[0016]

According to the first to third aspects of the present invention, a plurality of non-parallel information recording medium partition plates are radially provided in the information recording medium storage means, and the information recording medium is stored vertically between the information recording medium partition plates. . An information recording medium reproducing means is provided at a central portion on the inner peripheral side of the information recording medium accommodating means accommodated vertically. The information recording medium accommodated in the information recording medium accommodating means is conveyed to the information recording medium reproducing means by the information recording medium conveying means and reproduced. Then, the information recording medium whose reproduction has been completed is conveyed from the information recording medium reproducing means to the original storage position of the information recording medium storing means by the information recording medium conveying means. At this time, the information recording medium is conveyed and positioned from the upper outer peripheral side of the information recording medium adjacent to the information recording medium at the return conveyance place, and the outer peripheral edge of the information recording medium D has a large separation width of the information recording medium partition plate. Since the information recording medium is inserted into the original storage position from the outer peripheral side, the information recording medium can be reliably and accurately conveyed to the original storage position of the recording medium storage means.

Further, since the information recording medium partitioning plates of the information recording medium accommodating means are arranged radially, the number of sheets accommodated can be increased with a simple structure, and the size and cost can be reduced.

Further, since the information recording medium reproducing means is provided at the center of the radially arranged information recording medium partitioning plate, it is possible to suppress an increase in the size of the entire apparatus and to achieve a lower cost.

[0019]

Embodiments of the present invention will be described below with reference to the accompanying drawings. The same components as those in the conventional example are denoted by the same reference numerals. First, in FIGS. 1 to 6, reference numeral 100 denotes a housing.
A donut-shaped disk holder 120 is provided on a rack base 110, which is a base for
Are provided rotatably. The disk holder 120 has a gentle semi-arc-shaped disk storage portion that is open upward, and a plurality of information recording media D are provided in the disk storage portion so that a plurality of information recording media D can be radially mounted. The medium partition plate 121 is provided non-parallel and radially. More specifically, as shown in FIG. 2, the side view of the information recording medium partition plate 121 is substantially arcuate, and the height of the information recording medium partition plate 121 is
0, the height gradually increases from the bottom surface on the inner peripheral side, so that the outer peripheral side eventually becomes maximum.
As shown in FIG. 5, the thickness of the information recording medium partitioning plate 121 in the longitudinal direction is uniform, and the separation width 121a on the inner peripheral side between the adjacent information recording medium partitioning plates 121 is equal to the information recording medium D. Has a width such that the can be placed vertically and can be inserted. On the other hand, the outer width 121b is slightly wider in the circumferential direction than the inner width 121a. Therefore, the disc holder 120
It is possible to arrange the information recording medium partition plates 121 which are adjacent to each other radially while the longitudinal directions of the information recording medium partition plates 121 are non-parallel to each other. Then, the plurality of information recording media D are placed vertically within the respective intervals of the information recording medium partition plate 121 on the disk holder 120. On the other hand, on a rack base 110 substantially at the center of the disk holder 120, a rotation motor 131 serving as a rotation power source of a rack drive unit 130 for rotating the disk holder 120 is mounted. Pulley 13
2 and the pulley 132 and the rack base 1
A V-belt 133 is stretched between the gear pulley 134 and the gear pulley 134 supported by the shaft 10. A small gear 135 coaxial with the gear pulley 134 meshes with a reduction gear 136 supported by the rack base 110. Are engaged. Drive gear 13
8 meshes with a rack 122 formed on the inner peripheral edge of the disk holder 120, as shown in FIG.

Further, a gear driving unit 140 is provided on the rack base 110 substantially in the center of the disk holder 120.
And a loading motor 151 serving as a power source for loading the information recording medium D, that is, a power source for the drive arm 170 described later and a power source for opening and closing the information recording medium reproducing unit 300 as information recording medium reproducing means. A pulley 152 is attached to an output shaft of the loading motor 151, and a V-belt 153 is stretched between the pulley 152 and a gear pulley 154 supported by the gear holder 150. A small gear 155 coaxial with the gear pulley 154 meshes with a reduction gear 156 supported by the gear holder 150, and a small gear 157 provided coaxially with the reduction gear 156.
Are engaged with a reduction gear 158 which is supported by the gear holder 150, and a small gear 159 provided coaxially with the reduction gear 158 is engaged with a circular drive cam 160 which is supported by the gear holder 150. As will be described later, the protrusion 161 on one side of the circular drive cam 160 is engaged with the cam groove 172 on one side of the drive arm 170 supported by the gear holder 150. A guide pin 181 provided at an end of the slide plate 180 is fitted in the annular groove 162 on the other side of the drive cam 160.

As shown in FIG. 3, the slide plate 180 is located on the rack base 110 substantially on the lower surface side of the disk holder 120. The slide plate 180 is provided in a guide groove 111 provided on the rack base 110. Is reciprocally movable along the insertion groove 112 while engaging with a guide pin 182 projecting from the lower surface side of the. At the other end of the slide plate 180, a concave portion 183 for controlling the movement of the pressing piece 190 is provided upward. A guide pin 191 is provided on a side surface of the pressing piece 190.
The guide pin 191 is loosely attached to the concave portion 183 of the slide plate 180, and the guide pin 192 on the other side of the pressing piece 190 in a direction opposite to the guide pin 191 is described later. The pressing piece holding table 200 is fitted in the shaft hole 201 of the pressing piece holding table 200. Then, as the slide plate 180 reciprocates, the pressing piece 190 is
2 can be partially arcuated. At this time, the pressing piece 190 may have an operation structure capable of performing a parallel sliding motion accompanying the reciprocating motion of the slide plate 180. Then, the pressing piece 190 is wedge-shaped by being driven into a gap between an outer peripheral edge of the V groove 193 for sandwiching the information recording medium D, the information recording medium D, and the information recording medium D ′ adjacent to the information recording medium D. And a side surface 194 for expanding the interval between the outer peripheral edges. Further, the pressing piece 190 has a guide groove 19 of a vertical groove.
5 is provided in the guide groove 195, and a guide portion 25 as a positioning means of a transfer arm 250 described later is provided.
5 is inserted. At this time, a guide groove 195 of the pressing piece 190 through which the guide portion 255 of the transfer arm 250 is inserted may be provided on the pressing piece holding table 200.

On the other hand, the lower end is mounted on the rack base 110 on the outer peripheral surface side of the disk holder 120, and the lower end is mounted on the rack base 110 on the outer peripheral surface side of the disk holder 120. A pair of left and right guides L220 and R230 is attached to the side of the pressing piece holding base 200 so as to straddle the upper part of the disc holder 120. A guide groove 221 having an escape groove (not shown) and having an arc shape is provided on a surface inside the guide L220 facing the guide R230. A guide pin 261 provided at an end of the guide arm 260 is fitted into the guide groove 221, and the guide pin 261 slides along the guide groove 221. Further, a guide groove 231 having an escape groove (not shown) and an arc is provided on a surface of the guide R230 facing the guide L220, and the intermediate arm 24 connected to the distal end of the drive arm 170 is provided.
The guide provided at the other end of the guide arm 260 which passes through the small hole 241 located at the end of the “0” and the small hole 251 located near the middle of the transfer arm 250 as the information recording medium transfer means. The pin 262 is fitted, and the guide pin 262 slides along the guide groove 231.

The transfer arm 250 has transfer engagement portions 252a and 252b at both ends thereof, and the transfer engagement portion 252a has an information recording medium adjacent to the selected information recording medium D. An inclined portion 253 slidingly contacting only the outer peripheral edge of D ′ and a V-groove 254 engaging with the outer peripheral edge of the information recording medium D
Are provided. Then, while holding the information recording medium D by the transport engagement portions 252a and the transport engagement portions 252b, the information recording medium D is rotated sideways and pulled out from the disk holder 120, and a V-shaped groove 31 of a disk guide 310 described later.
1 is slid and sent to an information recording medium reproducing section 300 as information recording medium reproducing means located at the center surrounded by the information recording medium partition plate 121 on the disk holder 120. Further, the transport engaging portion 252
a guide portion 255 as a positioning means
Is provided. The guide portion 255 has a thin plate shape (see FIG. 5). When the information recording medium D is in the unloading state, the guide portion 255 is inserted into the guide groove 195 of the pressing piece 190.

Also, as shown in FIG.
Is the guide pin 2 located at the end of the guide arm 260
Numeral 61 indicates a trajectory that has moved along the guide groove 221 of the guide L220. Further, a two-dot chain line 264 indicates that the guide pin 262 located at the other end of the guide arm 260 moves along the guide groove 231 of the guide R230. The trajectory that has moved is shown.

The trajectory drawn by the transfer engaging portion 252a of the transfer arm 250 pivotally attached to the guide arm 260 is intended to be reproduced by the guide grooves 221 and 231 of the guide L220 and the guide R230. The information recording medium D is constrained to have a substantially circular locus 256 along the outer peripheral edge of the information recording medium D ′ adjacent to the information recording medium D.

A flat drive cam 270 is arranged in the insertion groove 113 on the rack base 110 at a substantially central portion of the disk holder 120 so as to allow only a reciprocating linear movement. The flat drive cam 270 uses the loading motor 151 as a power source, and is operated by a sensor system and a drive system (not shown). On the upper surface of the flat drive cam 270 are formed two guide grooves 271 and 272 for restraining the opening and closing movement of the information recording medium reproducing unit 300 including the clamper holder 280 and the disc tray 290. The clamper holder 280 and the disc tray 290 are pivotally supported by the clamp support 210 so as to be openable and closable.
Guide pins 281, 2 projecting from the lower part of
91 are guide grooves 271, 2 of the flat drive cam 270.
72 so as to slide along.

The disk guide 3 is placed on the rack base 110 substantially at the center of the disk holder 120.
10 and a circular cover 320 are provided. The cover 3
20 is provided with a notch 321, and a portion of the disc guide 310 is positioned so as to be in close contact with the notch 321. When the information recording medium D, which is placed vertically in the disk holder 120, is turned sideways around the center of the rack base 110 and pulled in, the information recording medium D slides into the disk guide 310. A V-shaped groove 311 is provided, and the outer peripheral end of the information recording medium D moves on the bottom surface 312 of the V-shaped groove 311 while sliding.
An inclined portion 313 described later is formed on a part of the bottom surface of the V-shaped groove 311.

Further, a sensor holder 330 and a sensor stay 340 are mounted on the rack base 110, and a sensor (not shown) attached to the sensor holder 330 and a light receiving unit (not shown) attached to the sensor stay 340 allow the disk holder 120 to be mounted. An information recording medium presence / absence detection sensor for detecting the presence / absence of the information recording medium D vertically placed thereon is formed. Incidentally, reference numeral 350 denotes a detection sensor for the address of the disk holder 120, which detects the address of the disk holder 120 based on the width and period of a reflection surface (not shown) provided on the lower surface of the disk holder 120.

Next, the operation state of the information recording medium reproducing apparatus of the present invention will be described with reference to FIGS. In FIG. 7 and subsequent figures, a part of the configuration is omitted in order to explain the operation state of the information recording medium reproducing apparatus.
Please refer to FIG. 2 to FIG. 6 for the omitted part of the configuration. First, FIG. 7 is a side view of the information recording medium D in an unloaded state.
An information recording medium D partitioned by an information recording medium partition plate 121 is placed vertically on the reference numeral 0. The position of the circular drive cam 160 causes the drive arm 170 to maintain its most upright position centered on the pivot 171 that is pivotally connected to the gear holder 150, and moves the guide arm 260 to the right end in the figure along the guide grooves 221 and 231. To be located at At the same time, the slide plate 180 is also positioned at the right end in the figure according to the position of the circular drive cam 160, and the pressing piece 190 fitted in the concave portion 183 of the slide plate 180 is fitted in the shaft hole 201 of the pressing piece holding base 200. The position of the guide pin 192 at the position where it is circularly moved counterclockwise around the guide pin 192 is maintained. The guide portion 255 of the transport engaging portion 252a is in a state of being inserted into the guide groove 195 of the vertical groove of the pressing piece 190. In addition, the clamper holder 280 and the disc tray 290 of the information recording medium reproducing unit 300 keep the state in which the opening operation is performed.

Next, the user selects and instructs the information recording medium D to be selected by using a selection button on an operation panel (not shown). When the operation of selecting the information recording medium D is performed, the rack driving unit 1
30 is driven. That is, the rotation of the rotary motor 131 due to the start is controlled by the pulley 132, the V belt 133, the gear pulley 134, the small gear 135, the reduction gear 136, and the small gear 1
37, the drive gear 138, the rack 122 of the disk holder 120 is rotated, and a sensor (not shown) for detecting the presence or absence of an information recording medium and an address detection sensor 350 are used to move the rack 122 to the front position of the information recording medium reproducing unit 300. When it is determined that the information recording medium D is located, the rotation of the disc holder 120 is stopped. Then, the gear drive unit 140 is driven by the rotation of the loading motor 151 serving as the power source for loading the information recording medium D, that is, the power source of the drive arm 170 and the opening / closing power source of the information recording medium reproducing unit 300, and Loading of D is performed.

The rotation caused by the starting of the loading motor 151 is controlled by a pulley 152, a V-belt 153, and a gear pulley 15.
4, small gear 155, reduction gear 156, small gear 157, reduction gear 158, small gear 159, and circular drive cam 160. When the circular drive cam 160 starts rotating in the counterclockwise direction, the annular groove 162 of the circular drive cam 160 is rotated.
Guide pin 18 of slide plate 180 fitted on
As 1 starts moving leftward in the figure along the annular groove 162, the slide plate 180 starts linearly moving leftward in the figure. Then, the guide pin 191 of the pressing piece 190 loosely attached to the concave portion 183 of the slide plate 180 also starts a linear motion to the left in the drawing, so that the pressing piece 190 is inserted into the shaft hole 201 of the pressing piece holding base 200. A semi-circular movement occurs clockwise about the engaged guide pin 192 (see FIG. 19). At this time, the pressing piece 190 may be capable of performing a parallel sliding movement accompanying the linear movement of the slide plate 180.

When the circular drive cam 160 continues to rotate in the counterclockwise direction, as shown in FIG.
At the same time as the V-groove 193 at the leading end of No. 0 sandwiches the outer peripheral edge of the information recording medium D, the side surface 194 at the leading end of the pressing piece 190 contacts the information recording medium D and the information recording medium D ′ adjacent to the information recording medium D. Between the information recording medium D to be reproduced and the information recording medium D ′ adjacent to the information recording medium D in the circumferential direction of the disk holder 120 (see FIG. 20). In this state, a part of the pressing piece 190 (not shown) is engaged with a part of the disk holder 120 to load the disk,
At the time of unloading and at the time of playing the disc, the disc holder 120 is prevented from slightly moving.

Then, even if the circular drive cam 160 continues to rotate counterclockwise, the annular groove 162 of the circular drive cam 160
With this structure, the position of the slide plate 180 is kept in a state of moving leftward in the figure (see FIG. 21).
At this time, as shown in FIGS. 22A and 22B, the protrusion 161 of the circular drive cam 160 is inserted into the cam groove 172a of the cam groove 172 on the side surface of the drive arm 170, as shown in FIGS. The drive arm 170 does not operate because the locus to be drawn and the cam groove 172a are on the same circle.

Further, when the circular drive cam 160 continues to rotate in the counterclockwise direction, the protrusion 161 of the circular drive cam 160 is brought into contact with the cam groove 172 on the side surface of the drive arm 170 as shown in FIG. Since the insertion of the substantially straight cam groove 172b is started, as shown in FIG.
Starts an arc motion counterclockwise about a pivot 171 that is supported by the gear holder 150. And the drive arm 1
As the arm 70 moves circularly in a counterclockwise direction, the drive arm 170 moves through the intermediate arm 240 to the guide arm 2.
60 and the transfer arm 250 are operated. At this time, the guide pin 261 of the guide arm 260 is
The guide pin 262 of the guide arm 260 operates along the guide groove 231 of the guide R230.

As shown in FIG. 9, the distance between the information recording medium D to be reproduced and the adjacent information recording medium D ′ is increased while the pressing piece 190 is extended in the circumferential direction of the disk holder 120. The guide portion 255 of the transfer arm 250 passes through the guide groove 195 of the pressing piece 190, and the transfer engagement portions 252 a and 252 b of the transfer arm 250 are placed vertically by the information recording medium partition plate 121 of the disk holder 120. As shown in FIG. 10, the information recording medium D is pulled out from the disk holder 120 and is turned sideways, and the V-shaped groove 311 of the disk guide 310 is rotated. Through the
After passing the outer peripheral edge of the information recording medium D over the bottom surface 312 and the inclined portion 313 and moving the information recording medium D to the left in the figure, as shown in FIG.
It is sent to 0. At this time, the positional relationship between the circular drive cam 160 and the drive arm 170 is such that the protrusion 161 enters the cam groove 172b as shown in FIG. Then, after the information recording medium D is sent to the information recording medium reproducing unit 300 and the information recording medium D is placed at a predetermined position, as shown in FIG. 22 (e), the protrusion 161 is inserted into the cam groove 172c. As a result, the drive arm 170 is further operated, and the transfer engagement portions 252a and 252b of the transfer arm 250 are separated from the outer peripheral edge of the information recording medium D as shown in FIG.
The leading end of the guide portion 255 of the information recording medium D maintains the state of being inserted between the information recording media D ′ adjacent to the information recording medium D, and cannot be separated from the information recording medium D ′ adjacent to the information recording medium D. Absent. When the above state as shown in FIG. 12 is reached, the rotation of the loading motor 151 is stopped by a sensor (not shown) and the transfer arm 25 is stopped.
0 operation is stopped.

At the same time, the circular drive cam 160
FIG. 3 shows that the flat drive cam 270 is driven by a drive system (not shown).
The clamper holder 2 which is translated in the middle right direction and fits into the guide grooves 271 and 272 of the flat drive cam 270.
80 and the guide pin 291 of the disc tray 290 are slid, so that the clamper holder 28
0 and the disc tray 290 are closed, and the disc holder 1 is rotated sideways by the transfer arm 250.
The information recording medium D can be reproduced by the information recording medium reproducing unit 300 with both sides of the information recording medium D sent from the terminal 20 being pressed.

On the other hand, when transporting the information recording medium D whose reproduction has been completed to the original position of the disk holder 120,
As shown in FIG. 12 to FIG. 18, the above procedure may be reversed, and first, the transport of the information recording medium D is instructed by a selection button on an operation panel (not shown). When the conveyance of the information recording medium D is instructed, the loading motor 1
By the reverse rotation start of 51, the flat drive cam 270 is linearly moved leftward in FIG. 3 by a drive mechanism not shown. Then, the guide pins 28 of the clamper holder 280 which are fitted in the guide grooves 271 and 272 of the flat drive cam 270 are formed.
1 and the guide pin 291 of the disc tray 290 are slid, and the opening operation of the clamper holder 280 and the disc tray 290 is started. At this time, the circular drive cam 160 also starts reverse rotation at the same time by the reverse rotation start of the loading motor 151, and the protrusion 161 of the circular drive cam 160 is moved to the drive arm 1 as shown in FIG.
70, and starts to be inserted into the cam groove 172c toward 172b. Then, the transfer arm 250 starts to gradually descend from the upper stop position, and then, as shown in FIG. 22D, when the protrusion 161 begins to pass through the cam groove 172b soon, as shown in FIG. As shown, the transfer engaging portions 252a and 252b of the transfer arm 250 are
And the clamper holder 280 and the disc tray 290 are separated from both sides of the information recording medium D, and the clamp of the information recording medium D is released. that time,
The tip of the guide portion 255 of the transport arm 250 divides deeper into the information recording medium D ′ adjacent to the selected information recording medium D. When the circular drive cam 160 continues to rotate in the clockwise direction in the figure, the protrusion 161 operates the drive arm 170 in the clockwise direction in the figure while being positioned at the tip of the cam groove 172b, as shown in FIG. At the same time, the guide pin 261 of the guide arm 260 is aligned with the guide groove 221 of the guide L220, and the guide pin 262 of the guide arm 260 is aligned with the guide groove 2 of the guide R.
Operate along 31. Then, as shown in FIG. 14, the transport arm 250 pulls out the information recording medium D from the information recording medium reproducing unit 300, and slides the V-shaped groove 311 of the disk guide 310 while rotating the information recording medium D sideways. The information recording medium D on the inclined portion 313 and the bottom surface 312.
Is conveyed to the disk holder 120 side through the outer peripheral edge of the disk.

At this time, the guide portion 2 of the transfer arm 250
The leading end of 55 is deeply divided between the information recording media D ′ adjacent to the selected information recording medium D and is electrically connected to the selected information recording medium D. Further, the inclined portion 253 of the transport arm 250 is located outside the upper portion of the adjacent information recording medium D ′. Sliding contact is started along the periphery, and the upper interval between the information recording media D ′ adjacent to the information recording medium D is further expanded in the circumferential direction of the disk holder 120 while the upper portion of the original transport position in the right direction in the figure is expanded. (See FIG. 23). Then, the transfer arm 25 moves within the widened interval.
The information recording medium D engaged with the transport engagement portions 252a and 252b of the information recording medium D is inserted through the outer peripheral edge of the information recording medium partition plate 121 as shown in FIG. It begins to be inserted through the separation width 121b located on the outer peripheral side. Since the width of the separation width 121b is wider than the width of the information recording medium D and has a margin, and the height of the separation width 121b is considerably higher than the height of the separation width 121a on the inner peripheral side, the information recording is surely performed. The medium D is used as the information recording medium partition 12
Guide to the original storage position between 1. Then, the information recording medium D is gradually inserted by the transport arm 250 into the side of the separation width 121a having a small separation width and a small height. Further, since the transfer arm 250 continues to operate, as shown in FIG. 16, the information recording medium D is returned to the original storage position before the transfer by the information recording medium partition plate 121 on the disc holder 120. Completely stored.

The information recording medium D is inserted into the disk holder 120.
When the sheet is stored in the original storage position before the transfer and the transfer is completed, the transfer engaging portions 252a and 252b of the transfer arm 250 are separated from the outer peripheral edge of the information recording medium D as shown in FIG. , Guide part 25 of transfer arm 250
5 is inserted into the guide groove 195 of the pressing piece 190, and the transfer arm 250 stops its operation. Then, the circular drive cam 160 further continues to rotate clockwise, so that the guide pin 181 of the slide plate 180 fitted in the annular groove 162 of the circular drive cam 160 moves rightward in the figure along the annular groove 162. At the start, the slide plate 180 is linearly moved rightward in the figure. Then, FIG.
As shown in FIG.
The guide pin 191 of the pressing piece 190 that is loosely attached also starts moving linearly in the right direction in the drawing, and the pressing piece 190 makes a semi-circular movement counterclockwise around the guide pin 192,
The pressing piece 190 that has entered the wedge shape between the information recording medium D and the information recording medium D ′ adjacent to the information recording medium D
Are separated from the respective outer peripheral edges, and the pressing pieces 190
A part (not shown) of the disk holder 120 is detached from a part of the disk holder 120, and the disk holder 120 becomes rotatable again. When the above state is reached, the rotation of the loading motor 151 is stopped by a sensor (not shown), and the conveyance of the information recording medium D ends.

The pressing piece 190 is connected to the guide pin 19.
Instead of making a circular motion in the clockwise or counterclockwise direction around the center 2, the pressing piece 190 is
An operation structure capable of performing a parallel sliding movement accompanying the reciprocating movement of 0, so that the information recording medium D and the information recording medium D ′ adjacent to the information recording medium D are detached and attached in a wedge shape. Is also good.

[0041]

As described above, according to the first to third aspects of the present invention, a plurality of non-parallel information recording medium partition plates are radially provided in the information recording medium accommodating means, and the information recording medium is interposed between the information recording medium partition plates. The media is stored vertically. An information recording medium reproducing means is provided at a central portion on the inner peripheral side of the information recording medium accommodating means accommodated vertically. The information recording medium accommodated in the information recording medium accommodating means is conveyed to the information recording medium reproducing means by the information recording medium conveying means and reproduced. Then, the information recording medium whose reproduction has been completed is conveyed from the information recording medium reproducing means to the original storage position of the information recording medium storing means by the information recording medium conveying means. At this time, the information recording medium is conveyed and positioned from the upper outer peripheral side of the information recording medium adjacent to the information recording medium at the return conveyance place, and the outer peripheral edge of the information recording medium D has a large separation width of the information recording medium partition plate. Since the information recording medium is inserted into the original storage position from the outer peripheral side, the information recording medium can be reliably and accurately conveyed to the original storage position of the recording medium storage means. Further, since the information recording medium partition plates of the information recording medium accommodating means are arranged radially, the number of accommodated sheets can be increased with a simple structure, and the size and cost can be reduced. Further, since the information recording medium reproducing means is provided at the center of the radially arranged information recording medium partitioning plate, it is possible to suppress an increase in the size of the entire apparatus and to achieve a lower cost.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of an embodiment of an information recording medium reproducing apparatus according to the present invention.

FIG. 2 is a side view schematically illustrating the information recording medium reproducing apparatus shown in FIG.

FIG. 3 is a schematic plan view partially illustrating guides L and R, a drive arm, and the like for explaining the information recording medium reproducing apparatus illustrated in FIG. 1;

FIG. 4 is a schematic explanatory view showing a state where an information recording medium is placed on a partially enlarged view of IV shown in FIG. 3;

5 is an assembling plan view for explaining an information recording medium transport means of the information recording medium reproducing apparatus shown in FIG. 1;

FIG. 6 is a side view showing the trajectory of each end of the transport arm and the guide arm of the information recording medium reproducing device shown in FIG. 1;

FIG. 7 is a side view showing an unloaded state of the information recording medium in the information recording medium reproducing device of the present invention.

FIG. 8 is a side view showing the progress of loading an information recording medium onto an information recording medium reproducing unit by the information recording medium reproducing apparatus of the present invention.

FIG. 9 is a side view showing the progress of loading an information recording medium onto an information recording medium reproducing unit by the information recording medium reproducing apparatus of the present invention.

FIG. 10 is a side view showing the progress of loading an information recording medium onto an information recording medium reproducing unit by the information recording medium reproducing apparatus of the present invention.

FIG. 11 is a side view showing the progress of loading an information recording medium onto an information recording medium reproducing unit by the information recording medium reproducing device of the present invention.

FIG. 12 is a side view showing a state where the information recording medium is loaded on the information recording medium reproducing unit by the information recording medium reproducing apparatus of the present invention.

FIG. 13 is a side view showing a state in which the information recording medium is being conveyed from the information recording medium reproducing section to the information recording medium accommodating means by the information recording medium reproducing apparatus of the present invention.

FIG. 14 is a side view showing a state in which the information recording medium is being conveyed from the information recording medium reproducing section to the information recording medium accommodating means by the information recording medium reproducing apparatus of the present invention.

FIG. 15 is a side view showing a state in which the information recording medium is being conveyed from the information recording medium reproducing section to the information recording medium accommodating means by the information recording medium reproducing apparatus of the present invention.

FIG. 16 is a side view showing a state in which the information recording medium is transported from the information recording medium reproducing section to the information recording medium accommodating means by the information recording medium reproducing apparatus of the present invention.

FIG. 17 is a side view showing a state in which the information recording medium is being conveyed from the information recording medium reproducing section to the information recording medium accommodating means by the information recording medium reproducing apparatus of the present invention.

FIG. 18 is a side view showing a state in which the information recording medium is transported and stored in the information recording medium storage means by the information recording medium reproducing device of the present invention.

FIG. 19 is a schematic side view for explaining an operation of a pressing piece accompanying rotation of a circular drive cam of the information recording medium reproducing apparatus of the present invention.

FIG. 20 is a schematic side view for explaining an operation of a pressing piece accompanying rotation of a circular drive cam of the information recording medium reproducing device of the present invention.

FIG. 21 is a schematic side view for explaining an operation of a pressing piece accompanying rotation of a circular drive cam of the information recording medium reproducing device of the present invention.

FIG. 22 is an explanatory diagram for explaining an operation of a drive arm accompanying rotation of a circular drive cam of the information recording medium reproducing device of the present invention.

FIG. 23 is a plan view for explaining an operation in which the transport arm of the information recording medium reproducing device of the present invention returns the information recording medium.

FIG. 24 is a perspective view showing a conventional disk player provided with a circular rack.

FIG. 25 is a perspective view showing a conventional large-capacity information holding and searching device.

FIG. 26 is a schematic side view of FIG. 25.

[Explanation of symbols]

 D Information recording medium D ′ Information recording medium adjacent to information recording medium D 100 Housing 110 Rack base 120 Disk holder 121 Information recording medium partition plates 121a, 121b Separation width 130 Rack drive unit 140 Gear drive unit 150 Gear holder 160 Circular drive Cam 170 Drive arm 180 Slide plate 190 Pressing piece 200 Pressing piece holding stand 210 Clamp support 220 Guide L 230 Guide R 240 Intermediate arm 250 Transfer arm 252a, 252b Transfer engagement section 253 Inclined section 255 Guide section 256 Almost arc-shaped trajectory 260 Guide arm 270 Flat drive cam 280 Clamper holder 290 Disc tray 300 Information recording medium reproducing unit 310 Disc guide

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Atsushi Yamane 4-2610 Hanazono, Tokorozawa-shi, Saitama Prefecture Pioneer Corporation Tokorozawa Plant

Claims (3)

[Claims] 1. An information recording medium accommodating means provided in a housing and capable of accommodating a plurality of information recording media, and information provided adjacent to the information recording medium accommodating means for reproducing a selected information recording medium. An information recording medium reproducing device comprising: a recording medium reproducing unit; and an information recording medium conveying unit that conveys an information recording medium selected from the information recording medium storing unit to the information recording medium reproducing unit. Has a non-parallel information recording medium partition plate located between the information recording media to be accommodated,
When the information recording medium conveying means conveys the information recording medium from the information recording medium reproducing means to the information recording medium accommodating means, the information recording medium is non-parallel to each other adjacent to the information recording medium accommodating means. An information recording medium reproducing device, wherein the information recording medium is inserted into the information recording medium accommodating means from a side of the information recording medium partition plate having a large separation width. 2. The information recording medium reproducing apparatus according to claim 1, wherein said information recording medium partition plate of said information recording medium accommodating means is radially arranged. 3. The information recording medium reproducing apparatus according to claim 2, wherein said information recording medium reproducing means is provided at a central portion of said radially arranged information recording medium partition plate.