JPH08293149A - Housing and ejecting device for recording medium - Google Patents

Abstract

PURPOSE: To evade a problem of deviation due to roller pressure with simple constitution. CONSTITUTION: An MD 11 is dealt with in the state of being housed in a casing of a roughly rectangular and planar shape, and a roller 12 of a tip of a rocking arm 15 is pressed to one side surface of the casing. By rotation driving the pressed roller 12, the MD 11 is transferred. For making the roller 12 displaceable to a pressed state and a released state, a window 14 is formed on a housing part 13. The rocking of the rocking arm 15 is performed by a roller press/ release means 17. The rotation of the roller 12 is performed by a roller rotation drive means 18. A signal from a roller position detection means 19 for judging whether the roller 12 is in the state of pressing the MD 11 or releasing the pressing is inputted to a system controller 20 to control the roller press/release means 17 and the roller rotation drive means 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage medium for storing or pulling out a plurality of recording media prepared in advance for recording or reproducing information on a disc-shaped or cartridge-shaped recording medium. And a drawer.

[0002]

2. Description of the Related Art Conventionally, so-called compact discs (hereinafter abbreviated as "CD") and mini discs (hereinafter referred to as "CD")
Abbreviated as "MD"), laser disk (hereinafter "L"
A disk-shaped recording medium such as D)) or a cartridge-shaped recording medium such as a cassette tape or a video tape is used for recording or reproducing various information, particularly audio music. In order to effectively use such a recording medium, a plurality of recording media are prepared in advance,
A recording medium storing / drawing device such as a changer which is exchanged for recording or reproducing is convenient. In particular, in a car audio system or the like, it is preferable that a plurality of CDs or MDs be set in advance in the changer, and the CDs or MDs be sequentially exchanged and reproduced during operation.

In a recording medium storing / pulling-out device such as a changer, a plurality of recording mediums are stacked and stored with a slight space therebetween, and one of them is selected and taken out to record or reproduce. Subject to. In order to store the recording medium at a high density, it is necessary to adopt a method that does not require much space around the recording medium when it is taken out.

FIG. 7 shows a simplified structure of a changer on which the present invention is based. FIG. 7A is a plan view and FIG.
(B) shows a side view, respectively. In this configuration, the roller 2 is pressure-bonded from one side of the recording medium 1 having a substantially rectangular plate shape, and the roller 2 is rotationally driven, so that the recording medium 1 is rotated.
Transfer for storage or crimping. A plurality of storage units 3 are provided so that the recording media 1 can be stacked with a slight space therebetween.
Is provided. A window 4 is formed on one side of each of the storage portions 3 so that the roller 2 can be inserted and withdrawn. Further, each of the storage portions 3 is opened at one side in the transfer direction of the recording medium 1, and the elevator portion 5 faces the opening portion. The elevator section 5 is movable in the stacking direction of the recording media 1. In a state where the elevator section 5 faces a specific storage section 3 and is stopped, the recording medium 1 is transferred to and from the storage section 3 to be stored or pulled out. Further, the elevator unit 5 can move to a device for recording and reproducing the recording medium 1 while holding the recording medium 1, and also transfers the recording medium to be recorded and reproduced.

[0005]

In order to smoothly store and pull out the recording medium 1 in the storage unit 3 with the configuration as shown in FIG. 7, the recording medium 1 and the storage unit 3 must be provided with a certain amount of space between them. It is necessary to provide a gap. However, roller 2
When pressure is applied from the side of the recording medium 1 by a swinging mechanism or the like, the storage position of the recording medium 1 shifts from the state shown by the solid line to the state shown by the phantom line due to the contact pressure of the roller 2. In this state, even if the pull-out command for the recording medium 1 is withdrawn and the pressure-bonded state of the roller 2 is released, the misalignment of the storage position of the recording medium 1 remains. When a part of the recording medium 1 is projected from the opening of the storage part 3 and the movement of the elevator part 5 is started in relation to the other storage parts 3, the recording medium 1 and the elevator part 5 which are misaligned are displaced.
May interfere with normal operation and adversely affect normal operation.

[0006] The operation of attempting to change the schedule of another recording medium 1 while starting to pull out one recording medium 1 is often necessary for the user of the apparatus. If such an operation is prohibited, the above-mentioned problem does not occur, but the usability of the device deteriorates. Further, if the space between the storage section 3 and the elevator section 5 is increased, the possibility of interference is reduced, but the time required to transfer the recording medium 1 is increased, the apparent recording medium replacement speed is reduced, and the apparatus is large. Turn into.

SUMMARY OF THE INVENTION An object of the present invention is to provide a storage and drawing device for a recording medium which has a simple structure and can avoid the problem of displacement due to roller pressure bonding.

[0008]

SUMMARY OF THE INVENTION According to the present invention, a rectangular plate-shaped recording medium is transferred in parallel with one side to a plurality of storage portions that can be stored at intervals in the thickness direction.
In a device for storing and drawing out a recording medium, a roller that is in contact with one side surface of the recording medium and rotationally drives the recording medium to move the recording medium in parallel to the one side surface, and one side of the recording medium inside the storage section. From the above, the roller is pressure-bonded to one side or released from the pressure-bonded state, and the pressure-release means rotates and drives the roller to rotate when the roller is pressure-bonded to the recording medium.
The recording medium, which faces the downstream side of the recording medium in the pull-out direction and should be stored in the storage unit or holds the recording medium pulled out from the storage unit,
The moving means movable in the arranging direction of the storage portion and the crimp releasing means, the rotation driving means and the moving means are controlled in response to an external command to store or draw out the recording medium in the storage portion instructed. When receiving a command to stop the withdrawal of the recording medium during the withdrawal of the recording medium from the accommodating portion, the recording medium is returned to the accommodating position of the accommodating portion by the rotation driving means, and then the roller is released by the pressure release means. And a drawing-out device for releasing the recording medium from a pressure-bonded state in which the recording medium is pressure-bonded to one side surface of the recording medium. Further, the present invention is characterized in that the pressure contact releasing means and the rotation driving means are provided on the moving means.

[0009]

According to the present invention, the rectangular plate-shaped recording medium can be accommodated in a plurality of accommodating portions at intervals in the thickness direction by moving the recording medium in parallel with one side thereof. The roller is brought into contact with one side surface of the recording medium and is rotationally driven to transfer the recording medium parallel to the one side surface. The pressure-bonding releasing means pressure-bonds the roller to one side surface from one side of the recording medium in the storage portion, or releases the pressure-bonded state. The rotation driving means rotationally drives the roller when the roller is being pressure-bonded to the recording medium by the pressure release means. The means of transportation is
The recording medium, which faces the downstream side of the recording medium in the pull-out direction and should be stored in the storage unit or holds the recording medium pulled out from the storage unit,
It is movable in the arrangement direction of the storage section. The control means controls the pressure release means, the rotation driving means, and the moving means in response to an external command to store or draw out the recording medium in the instructed storage portion.

Further, when the control means receives a command to stop the pulling out of the recording medium in the middle of pulling out the recording medium from the storage part, the control means returns the recording medium to the storage position of the storage part by the rotation driving means. Then, the roller is released from the pressure-bonded state in which the roller is pressure-bonded to one side surface of the recording medium by the pressure-bonding release means. As a result, the recording medium whose pull-out schedule has been changed does not protrude from the storage portion, and a reliable operation can be continued.

Further, according to the invention, since the pressure contact releasing means and the rotation driving means are provided on the moving means, they can be moved together with the moving means and can be shared by the respective accommodating portions. The configuration of the entire apparatus can be simplified as compared with the case where the crimp releasing means and the rotation driving means are individually provided in all the storage portions.

[0012]

1 shows a simplified system configuration of an embodiment of the present invention. The present embodiment constitutes a part of the changer of the MD playback device. The MD 11 is handled in a state of being housed in a substantially rectangular and plate-shaped casing, and the roller 12 can be pressure-bonded to one side surface of the casing. By rotationally driving the pressure-bonded roller 12, the MD 11 can be transported in the storage portion 13 in parallel to the side surface to which the roller 12 is pressure-bonded. A window 14 is formed in the storage portion 13 so that the roller 12 can be displaced between the pressure-bonded state and the released state. To displace the roller 12 through the window 14,
The roller 12 is pivotally supported on the tip of the swing arm 15.
The swing arm 15 is capable of swinging displacement about a swing coaxial 16. The swinging of the swinging arm 15 is performed by the roller pressure release device 17. The rotation of the roller 12 is performed by the roller rotation driving means 18. Roller 12 is MD
Whether the pressure-bonded state 11 or the pressure-released state is determined based on the data detected by the roller position detecting means 19. A signal from the roller position detecting means 19 is input to the system control device 20 to control the roller pressure contact releasing means 17 and the roller rotation driving means 18, respectively.

FIG. 2 shows the operation of the system controller 20 in the embodiment of FIG. The operation is started from step a1, and at step a2, the completion of release of the roller 12 is waited by the output from the roller position detecting means 19. At step a3, it is determined from the command given to the system control device 20 whether or not the crimping is to be performed. When the pressure bonding is not performed, the process returns to step a2. When performing the pressure bonding, the pressure bonding is started from step a4, and in step a5, the pressure from the roller position detecting means is monitored and the pressure bonding is completed.

When the pressure bonding is completed, it is determined in step a6 whether the schedule is changed and the roller 12 is released. If not released, the process proceeds to step a7, the roller 12 is driven to rotate, and the transfer of the MD 11 is started.
Return to When it is determined in step a6 that the roller 12 is to be released, the process proceeds to step a8, and it is determined whether the transfer of the MD 11 is completed. If not completed, the roller 12 is rotationally driven in the direction opposite to the direction rotationally driven in step a7, and the MD 11 is returned to the basic position at the time of storage. When the roller 12 is released from the pressure bonding immediately after the pressure bonding is completed, the roller 12 is driven for a certain period of time, and M
The deviation of D11 is eliminated. The direction in which the roller 12 is rotationally driven is determined according to the direction of displacement when the roller 12 is pressed against the MD 11. When the step a9 is completed or the transfer of the MD 11 is completed in the step a8, the release of the roller 12 is started in the step a10.

FIG. 3 shows an MD reproducing device 21 related to the present invention.
4 is a plan view with the top plate of FIG. 4 removed, and FIG.
FIG. 5 is a cross-sectional view as seen from the position A, and FIG. The MD playback device 21 is generally configured by housing an elevating device 23, a magazine 24, a playback device 25, and the like in a housing 22. Case 22
Side walls 27 and 28 and a back wall 29 are erected from the bottom plate 26 of the above, a top plate 30 is attached to the upper surface, and a front plate 31 is M-shaped.
An insertion / ejection port 32 for inserting and ejecting D11 is provided.

The lifting device 23 comprises a lifting member 33 and a pair of lifting levers 34 and 35. The elevating member 33 includes a storage part 36 for storing the MD 11 inserted in the MD playback device 21, and a side wall 2 from the storage part 36.
Support pieces 37, 38 extended to the 7 side and the other side wall 28
And a support piece 39 extending to the side. An erroneous insertion prevention lever 40 is provided on the support piece 37, and a pressing portion 41 of the lever 40 is inserted through the side wall 42 of the elevating member 33 and faces the storage portion 36. A switch 43 is provided on the support piece 38, and an actuator 44 of the switch 43 is inserted through the side wall 42 and faces the storage section 36.

The erroneous insertion prevention lever 40 has both ends of a spring 47 hooked on a hooking piece 45 formed on the erroneous insertion prevention lever 40 and a hooking piece 46 formed on the support piece 37. And the storage portion 3 indicated by the arrow 48a.
Spring biased in 6 directions. In addition, the wrong insertion prevention lever 40
Since a pair of pins 50 erected on the support piece 37 are fitted in the pair of guide grooves 49 formed in the above, the misinsertion preventing lever 40 is inserted in the arrow 48a direction and the opposite direction 4 thereof.
Displacement is allowed in 8b.

The support piece 39 has an erroneous insertion prevention lever 51,
Switches 52, 53, 54, motors 55, 56, gear trains 57, 58, roller crimping lever 59, etc. are provided. The incorrect insertion prevention lever 51 is the incorrect insertion prevention lever 4
Similarly to 0, when the pin 61 is fitted into the guide groove 60, the pressing piece 62 is attached to the accommodating portion 36 so as to be projectable or retractable, and the erroneous insertion prevention lever 5
Both ends of the spring 65 are hooked by the hooking piece 63 formed on the No. 1 and the hooking piece 64 formed on the support piece 39, respectively, and the springs are biased in the direction of the arrow 48b. A switch 52 is provided on the other side wall 28 side of the erroneous insertion prevention lever 51.

When the MD 11 is inserted into the storage section 36, M
The erroneous insertion prevention lever 40 is pressed and displaced in the direction of arrow 48b by D11, and the erroneous insertion prevention lever 51 is moved.
Is pressed and displaced in the direction of arrow 48a, and the actuator 66 is pressed by the pressing piece 67, whereby the switch 5
2 conducts. The support piece 39 is provided with a motor 55 driven by a conduction signal of the switch 52. The output of the motor 55 drives the gear 70 via the worm 69 attached to the tip of the output shaft 68, and further the gear train 5
After being decelerated via 7, the rollers 71 and 12 are moved to the arrow 73.
Rotate in the direction indicated by.

The roller 71 and the gear 74 are rotatably supported by a roller holder 75 formed in a substantially U shape by shafts 71a and 74a, and the roller holder 75 swings on the support piece 39 by the shaft 74a. It is supported for dynamic displacement. A roller pressing spring 77 is wound around the shaft 71a and the fixed shaft 76 erected on the support piece 39 via the shaft 74a. The roller pressing spring 77 is attached so that a spring force acts in the direction in which the roller 71 indicated by the reference numeral 53 is projected into the housing portion 36. As a result, the roller 57 can be rotationally driven while being pressed against the MD 11 inserted into the storage section 36.
Can be reliably sent into the storage section 36.

Similarly, a spring force in the direction indicated by the arrow 82 is applied between the swing shaft 16 and the fixed shaft 81, which is erected on the swing arm 15 that covers the roller 12 and the gear 79, between the swing shaft 16 and the fixed shaft 81. The generated roller pressure spring 83 is wound. As a result, the roller 12 is also attached to the side wall 8 of the magazine 24.
4 is projected into the magazine 24 from the window 14 formed in
It can be rotationally driven while being pressed to D11.

The motor 56 is provided on the back wall 29 side of the support piece 39, and its output is transmitted to the gear 87 via the worm 86 attached to the tip of the output shaft 85. further,
After being decelerated by the gear train 58, the roller pressing lever 5
The gear 89 that meshes with the rack 88 of No. 9 is driven. Since the follower 93 provided upright on the support piece 39 is fitted in the long hole 92 formed in the falling piece 91 of the roller pressing lever 59, the displacement of the roller pressing lever 59 is indicated by arrows 94a, 94.
It is restricted in the direction shown in b. Roller pressure lever 59
When the roller pressing lever 59 is displaced to the position closest to the back wall 29, the rising piece 95 formed on the switch
The actuator 96 of No. 3 is pressed. As a result, the drive of the motor 56 is stopped.

The roller crimping lever 59 is provided with an inclined portion 97. When the roller crimping lever 59 is driven in the direction of arrow 94a, it is guided by the shaft 12a so that the swing arm 15 can move.
Is displaced in the direction shown by the arrow 82 along the inclined portion 97, and the roller 12 projects from the window 14 to a position where it abuts against the side surface of the MD 11. Also, the roller crimping lever 59
Is driven toward the arrow 94b, the swing arm 15 is displaced in the direction opposite to the arrow 82, and the roller 12 returns to a predetermined position by the spring force of the roller pressure spring 83. At this time, the actuator 98 of the switch 54 is pressed by the swing arm 15 and the opening of the roller 12 is detected. That is, the switch 54 constitutes the roller position detecting means 19 of FIG. 1 together with the above-mentioned switch 53. Further, the motor 56, the gear train 58, the roller crimping lever 59 and the like constitute the roller crimping and releasing means 17. The motor 55, the gear train 57, and the like constitute the roller rotation driving means 18.

A positioning piece 99 is also formed on the roller pressing lever 59, and correspondingly, a guide piece 100 is extended on the side wall 84 of the magazine 24 so as to correspond to each storage portion 13 described later. In the guide piece 100, the guide groove 10 formed to be wider toward the lifting member 33 side.
It has 0a. Therefore, as described above, when the roller pressing lever 59 is displaced in the direction of the arrow 94a until the switch 53 becomes conductive, the guide piece 99 is fitted into the guide groove 100a, and thus is moved up and down while the MD 11 is inserted into and ejected from the magazine 24. It is possible to accurately position the member 33 in the vertical position.

On the bottom plate 26, a motor 101 and a gear train 102 are provided below the storage section 36. When the motor 101 is driven, its output is the output shaft 103
Lifting lever 3 that meshes with gear 105 after being decelerated via worm 104 and gear train 102 attached to
4 is transmitted to the rack 106. The elevating lever 34 and the elevating lever 35 connect the connecting levers 107, 10 at one end and the other end in the longitudinal direction of the elevating levers 34, 35.
8 are connected. Guide lift grooves 109 and 110 are formed in the elevating levers 34 and 35, respectively, and followers 111 protruding from the support piece 38 are formed in the guide recess grooves 109.
And the follower 125 formed in the support piece 39 is fitted in the guide groove 110. As a result, the lifting levers 34 and 35 are moved by the motor 101 to the arrow marks 94a and 9a.
The elevating member 33 can be displaced up and down by being driven in the 4b direction.

The magazine 24 is provided above the reproducing device 25, which will be described later, and generally, the top plate 112 and the bottom plate 113.
Three partition plates 114 are arranged between the two, and four storage parts 13 are formed as a storage space, so that four MDs 11 can be stored. In each storage unit 13, a switch 115 is provided on one side wall 84 of the magazine 24 at a position close to the back wall 29, and the actuator 116 thereof is provided.
Penetrates through the side wall 84 and projects inward of the storage portion 13. When the MD 11 is inserted into the space of the storage portion 13 by the roller 12, the actuator 116 is pressed by the corner 117 of the MD 11 and the switch 115 is turned on.

When the storage of the MD 11 in the magazine 24 is detected in this way, the drive of the motor 55 is stopped and the rotation of the roller 12 is stopped. Each storage 13 also has
A leaf spring member 118 is formed on the side wall 84 so as to project inward of the magazine 24.
8 is a casing 1 of the MD 11 housed in the housing section 13.
Press 19 against the other side wall 120. By this, M
Rattling of the D11 with respect to the magazine 24 is prevented.

The MD 11 is constructed by housing a disc 121 capable of recording or reproducing optically and magnetically in a casing 119, and the disc 121 is clamped at its center by a turntable 134 described later. A plate 122 is provided, and the drive hole 1 is provided in the casing 119 corresponding to the clamp plate 122.
23 is formed.

Correspondingly, a leaf spring member 124 formed by cutting and raising the partition plates 114 and the bottom plate 113 is provided at the center of each partition plate 114 and the bottom plate 113, and enters from the drive hole 123 of the inserted MD 11. , The clamp plate 122 attached to the center of the disc 121 is pressed toward the top plate 112. This prevents the disc 121 in the casing 119 from rattling.

FIG. 6 is an exploded perspective view of the reproducing device 25. The reproducing device 25 generally includes a holder 131,
The elevation mechanism 132 and the reproduction mechanism 133 are provided. In the reproducing mechanism 133, the turntable 134 is fitted into the driving hole 123 with respect to the MD 11 loaded in the reproducing mechanism 133 by the holder 131, the clamp plate 122 is sucked to rotate the disk 121, and the pickup is performed. The recorded contents recorded on the disc 121 are read by the 135, thereby reproducing the recorded contents.

The holder 131 can be displaced by the elevating mechanism 132 between a raised position shown by a solid line in FIG. 4 and a lowered position shown by an imaginary line. In the raised position, the lifting member 3
The MD 11 in 3 can be taken in or ejected, and in the lowered position, the MD 11 can be loaded on the turntable 134 to be reproducible. Holder 131 is MD1
1 is composed of a substantially U-shaped frame body 141 surrounding the
Guide pins 144, 145; 146, 147 are erected on both side walls 142, 143 of the frame body 141, respectively. A guide piece 148 similar to the guide piece 100 is formed on the side of the side wall 143 on the elevating member 33 side, and a through hole 149 corresponding to the through hole of the window 14 is formed. Furthermore, the side wall 142 has the leaf spring member 118.
Is formed, and the casing 119 of the MD 11 taken into the frame body 141 is held by the plate spring member 150 without rattling.

The elevating mechanism 132 generally includes a lever 151.
, The motor 152, the gear train 153, and the regulation plate 154-
And 156. Restriction plates 154-15
6 is erected from the bottom plate 26, and the regulation plates 154-1
Guide grooves 164, 165; 166, 16 formed in 56
The guide pins 144, 145; 146, 147 are fitted into the guide frame 7, respectively, so that the frame body 141 can be displaced only in the vertical direction.

The guide pins 144 and 145 are also fitted into the guide grooves 161 and 162 formed in the lever 151 after being inserted through the guide grooves 164 and 165, respectively. These guide grooves 161 and 162 are formed in a direction intersecting with the guide grooves 164 to 167 formed in the vertical direction. The lever 151 is horizontally displaced by inserting the guide pin 168 formed on the mount 160 and the guide pin 169 formed on the regulation plate 154 into the long holes 170 and 171 formed in the longitudinal direction of the lever 151. It will be possible.

A rack 173 is formed on one side surface 172 of the lever 151. The driving force from the motor 152 attached to the mount 160 is transmitted to the rack 173 via the gear train 153. Furthermore, in the lever 151, the rising piece 1 is provided near both ends in the longitudinal direction.
74 and 175 are formed respectively, and these rising pieces 174 and 175 are actuators 1 of limit switches 176 and 177 attached to the mount 160.
78 and 179, respectively.

The motor 152 is driven and the lever 15
1 makes horizontal displacement, and the rising piece 174 or 175
Contacting the actuator 178 or 179 respectively, the drive of the motor 152 is stopped, and thus the lever 151 can be displaced within the range of the limit switches 176 and 177.

With the displacement of the lever 151, the guide grooves 161 and 162 guide the guide pins 144 and 145, respectively, so that the frame body 141 can be vertically displaced as described above. A switch 180 is provided at an end portion of the frame body 141 on the back wall 29 side. Like the switch 115, the switch 180 is provided in the frame body 14.
It is used to detect the presence / absence of the MD 11 within 1.

The lever 151 also has a guide groove 16
Bias pieces 181 and 182 are attached so as to face 1, 162, respectively. The bias pieces 181 and 182 are located near both ends of the guide grooves 161 and 162, that is, the frame body 141.
A pair of abutting pieces 183 abutting on the guide pins 144 and 145 in a state where they are in a predetermined raised position or lowered position.
184 and the contact pieces 183, 184 of the lever 15
1 and the attachment piece 185 for fixing to 1. Therefore, by the bias pieces 181 and 182, the frame body 141 is held in the raised position or the lowered position without rattling.

MD playback device 21 configured as described above
When the switch 52 detects that the MD 11 is inserted from the insertion / ejection port 32, the motor 55 is driven, and the MD 11 is taken into the elevating member 33 until the completion of the intake is detected by the switch 43. After that, the motor 10 is operated in response to an input operation to an operation means (not shown).
1 is driven and the elevating member 33 is displaced so as to face the reproducing device 25 or a predetermined storage portion 13 of the magazine 24.

Next, the motor 56 is driven to displace the roller crimping lever 59 in the direction of arrow 94a to position the elevating member 33 by the guide piece 99, and the roller 12 in the magazine 24 or the reproducing device 25. Frame 1
41 is projected into. When the MD 11 is thus ready for transfer, the motor 55 is driven again and the MD 11 is taken into the magazine 24 or the frame 141. Switch 1
When it is detected by 15 or 180 that it has been taken up to a predetermined take-in position, the motor 55 is stopped, and when reproduction is performed, the motor 152 is driven and the MD 11 is loaded at a predetermined reproduction position. It

The MD 11 which has been reproduced is stored in a predetermined storage portion 13 in the magazine 24 in response to the input operation or the like, or by the reverse operation to the insertion / ejection opening 32.
Is discharged from the outside.

[0041]

As described above, according to the present invention, the rectangular plate-shaped recording medium can be stored in a plurality of storage portions at intervals in the thickness direction. The rotation driving means drives the roller to rotate when the roller is pressed against the recording medium. The moving means faces the downstream side in the drawing direction of the recording medium, and holds the recording medium that should be stored in the storage section or is pulled out from the storage section and is movable in the arrangement direction of the storage section. The control means
In response to a command from the outside, the pressure release device, the rotation driving device, and the moving device are controlled to store or pull out the recording medium in the instructed storage unit. Furthermore, when receiving a command to stop the pulling out of the recording medium in the middle of pulling out the recording medium from the storage section, return the recording medium to the storage position of the storage section, and then place the roller on one side of the recording medium. Release from the crimped state. As a result, the recording medium whose pull-out schedule has been changed does not protrude from the storage portion, and a reliable operation can be continued.

Further, according to the present invention, the pressure-bonding releasing means and the rotation driving means can be moved together with the moving means and can be shared by the respective storage portions. The configuration of the entire apparatus can be simplified as compared with the case where the crimp releasing means and the rotation driving means are individually provided in all the storage portions.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic configuration of an embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the embodiment of FIG.

FIG. 3 is a plan view of the MD playback device 21 related to the present invention with the top plate removed.

FIG. 4 is a cross-sectional view of FIG. 3 taken along section line AA.

5 is a perspective view of the MD reproducing device 21 of FIG. 3 with a top plate removed.

6 is a perspective view of a reproducing device 25 in the MD reproducing device 21 of FIG.

7A and 7B are a simplified plan view and a side view showing a technique on which the present invention is based.

FIG. 8 is a partial plan view showing a problem of the base technology of FIG.

[Explanation of symbols]

 11 MD 12 Roller 13 Storage Section 14 Window 15 Swing Arm 16 Swing Shaft 17 Roller Pressure Release Unit 18 Roller Rotation Drive Unit 19 Roller Position Detection Unit 20 System Control Device

Claims (2)

[Claims] 1. A storage / drawing-out device for storing or pulling out a recording medium in the form of a rectangular plate, which is stored in or pulled out from a plurality of storage portions that can be stored at intervals in the thickness direction by transferring the recording medium in parallel to one side. In, a roller that is brought into contact with one side surface of the recording medium and is driven to rotate so as to transfer the recording medium parallel to the one side surface, and a roller is pressure-bonded to the one side surface from one side of the recording medium in the storage portion. Alternatively, when the roller is pressed to the recording medium by the pressure releasing means and the pressure releasing means, the rotation driving means for driving the roller to rotate, and the recording medium facing the downstream side in the drawing direction, the storage section is provided. Hold the recording medium that should be stored or pulled out from the storage section,
The moving means movable in the arrangement direction of the storage portion and the crimp releasing means, the rotation driving means and the moving means are controlled in response to an external command to store or pull out the recording medium from the storage portion instructed. When receiving a command to stop the withdrawal of the recording medium during the withdrawal of the recording medium from the accommodating portion, the recording medium is returned to the accommodating position of the accommodating portion by the rotation driving means, and then the roller is released by the pressure release means. And a pull-out device for the recording medium, the control means for releasing the pressure-bonded state of the recording medium from one side surface of the recording medium. 2. The apparatus for storing and withdrawing a recording medium according to claim 1, wherein the pressure release means and the rotation drive means are provided on the moving means.