WO2007046421A1

WO2007046421A1 - Transfer device and disc device

Info

Publication number: WO2007046421A1
Application number: PCT/JP2006/320749
Authority: WO
Inventors: Eiji Hoshinaka; Yoshihiro Ichikawa; Yosuke Amitani
Original assignee: Pioneer Corporation
Priority date: 2005-10-19
Filing date: 2006-10-18
Publication date: 2007-04-26
Also published as: JPWO2007046421A1; JP4357566B2

Abstract

A transfer means (30) transfers an optical disc by holding the optical disc on three parts, which are; a disc guide mechanism (41) which advances and retracts to and from a transfer path of the optical disc and guides the optical disc by abutting to the periphery of the optical disc, a load arm (421) which pushes the optical disc onto a turntable (23) from a slot (11) while guiding the optical disc by advancing and retracting to and from the transfer path and abutting to the periphery of the optical disc, and an inject arm (432) which advances and retracts to and from the transfer path and transfers the optical disc to the slot (11) by advancing to the transfer path. The transfer means (30) is provided with a slide stopper (424) which shifts as needed in accordance with shift status of the load arm (421) which shifts corresponding to the diameter dimension of the optical disc to be inserted and regulates shift of the disc guide mechanism (41) and the inject arm (432) in accordance with the diameter dimension of the optical disc. The transfer device is composed of the mechanically simple constitution.

Description

Specification

Conveying device and disk device

Technical field

The present invention relates to a conveying device for conveying a recording medium between an opening through which a disk-shaped recording medium having different diameters can be inserted and a turntable that rotatably holds the recording medium, and a disk Relates to the device.

Background art

Conventionally, in a configuration capable of reading information recorded on a disc-shaped recording medium having different diameters, a configuration for determining the diameter of a recording medium from which this information is read is known (for example, (See Patent Document 1).

In the device described in Patent Document 1, the gain of the amplifier of the spindle servo circuit is set to a gain that can be rotated by a 12 cm CD (Compact Disc), and the servo is turned on. Furthermore, when the CD is rotated at the same rotation speed regardless of the disk diameter and the subcode synchronization signal is detected, the servo is turned off and the acceleration of the spindle motor is started by the acceleration pulse. Then, the timer is started, and when the next subcode synchronization signal is detected, the timer is stopped and the servo is turned on again. After this, when the timer value is longer than the reference time, it is determined that CD is 12 cmCD, and the gain of the amplifier is set to a gain for 12 cmCD. On the other hand, when the timer value is shorter than the reference time, it is determined that CD is 8 cmCD, and the gain for 8 cmCD is set.

[0004] Patent Document 1: Japanese Patent Laid-Open No. 9128877 (Page 3, left column, page 6, left column)

Disclosure of the invention

Problems to be solved by the invention

However, in the configuration as described in Patent Document 1 described above, since the diameter of the CD already held on the turntable is determined, the diameter cannot be determined when the CD is inserted. As an example, there is a problem that the inserted CD may not be properly held and may deviate from the transport path and cannot be properly transported to the turntable.

In view of such circumstances, the present invention provides disc-shaped recording media having different diameters. Means for Solving the Problems with the Purpose of Providing a Conveying Device and a Disk Device Appropriately Conveyed

[0007] The conveying device of the present invention is provided in an apparatus main body having a slit-like opening through which a disk-like recording medium having a different diameter can be inserted, and the recording medium inserted in the opening is used. A conveying device that is arranged in the apparatus main body and conveys the recording medium to a position held by a turntable that rotatably holds the recording medium, and is conveyed at a position held by the opening and the turntable. A guide member provided in the main body of the apparatus so as to be capable of moving back and forth in a direction intersecting the conveyance path of the recording medium, and abutting and guiding the periphery of the recording medium conveyed along the conveyance path; and the conveyance path And is provided in the apparatus main body so as to be able to advance and retreat in a direction crossing the transport path and located on the opposite side to the guide member, and abuts on the periphery of the recording medium to guide the recording medium to the guide Part The opening force while being guided by a material, and a carry-in member that feeds to a position held by the turntable; and a carry-in member that is provided in the apparatus main body so as to be able to advance and retreat in the carrying path, and is inserted from the opening. An unloading member that abuts on the periphery of the recording medium fed in and moves backward into the transport path and advances into the transport path, and is inserted from the opening. The apparatus can be moved according to the moving state of the carry-in member moved according to the diameter of the recording medium, and can be attached to and detached from at least one of the guide member and the carry-out member. And at least V of the guide member and the carry-out member by engaging with and disengaging from at least one of the guide member and the carry-out member according to the moving state. One and Sutotsuba portion for regulating in accordance with the diameter of the recording medium or move, and characterized in that ingredients Bei the.

[0008] The disc device of the present invention has an apparatus main body having a slit-like opening through which disc-shaped recording media having different diameters can be inserted, and the recording medium disposed in the apparatus main body. A turntable that is rotatably held; a recording process that records information on the recording medium that is disposed in the apparatus main body and is held by the turntable; and a reading process that reads information recorded on the recording medium. Information to implement at least one of them A processing unit and the above-described transfer device of the present invention disposed in the apparatus main body are provided.

Brief Description of Drawings

FIG. 1 is a plan view showing the inside of an apparatus main body of a disk apparatus according to an embodiment of the present invention.

FIG. 2 is a partially enlarged view showing an outline of the vicinity of an arm position detection switch in the embodiment.

FIG. 3 is a partially enlarged view schematically showing the vicinity of a clamp detection switch in the embodiment.

FIG. 4 is a partially enlarged view showing a state in the vicinity of an arm position detection switch when a large-diameter disk is inserted in the embodiment.

FIG. 5 is a plan view showing the inside of the main body of the disk device in a state where about half of the large-diameter disk is inserted when the large-diameter disk is inserted in the embodiment.

FIG. 6 is a plan view showing the inside of the main body of the disk device when the disk insertion is completed when a large-diameter disk is inserted in the embodiment.

FIG. 7 is a plan view showing the inside of the main body of the disk device when the large-diameter disk is clamped in the embodiment.

FIG. 8 is a partially enlarged view showing a state in the vicinity of an arm position detection switch when a small-diameter disk is inserted in the embodiment.

FIG. 9 is a plan view showing the inside of the main body of the disk device in a state where about half of the small-diameter disk is inserted when the small-diameter disk is inserted in the embodiment.

FIG. 10 is a plan view showing the inside of the main body of the disk device when the disk insertion is completed when a small-diameter disk is inserted in the embodiment.

FIG. 11 is a plan view showing the inside of the main body of the disk device when the small-diameter disk is clamped in the embodiment. Explanation of symbols

[0010] 1 Optical disc as recording medium

1A: Large-diameter disk as a recording medium IB: Small-diameter disk as a recording medium

100 disk units

10 Main unit

11 Slots that are openings

23 Turn tape glue

24f Blueprint Processing Department

30 Transport means as a transport device

31 Conveyor motor as an electric motor

41 Disc guide mechanism as a guide member

414A …… Arm regulating pin as a second locking part that can also function as the first locking part

421 Load arm as loading member

423C …… Engagement protrusion as third locking part

424 Slide stopper as stopper

424A …… Inclined contact part to be an inclined edge

424B …… Third engaging recess as third engaging part

424C …… Regulation strobe as a second engagement portion that can also function as a first engagement portion 424F …… Agitator restriction window 424F1 as a first engagement portion that can also function as a second engagement portion 424F1 as a restriction portion Ejecting restriction groove for large-diameter discs that is also the first engaging part that can function

424F2 Ejection restriction groove for small-diameter disc that is also the first engagement part that can function as a restriction part

424F3 ... Moving groove as moving part

424G1 ... Relief part for large diameter disc as escape part

424G2 ... Relief groove for small-diameter disk as relief

432 Eject arm as unloading member

431A …… Iditate control pin as the first locking part that can also function as the second locking part

44 cam first drive cam

Second drive cam which is 45 cam 48A …… The first switch which is a switch

48B …… The second switch that is a switch

48C …… Third switch that is a switch

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a plan view schematically showing the inside of a disk device according to an embodiment of the present invention. FIG. 2 is a partially enlarged view showing an outline of the vicinity of the arm position detection switch. FIG. 3 is a partially enlarged view showing an outline of the vicinity of the clamp detection switch.

[Configuration of Disk Device]

In FIG. 1, 100 is a disk device according to an embodiment of the present invention, and this disk device 100 is an optical disk 1 as a disk-shaped recording medium as a disk-shaped recording medium that is detachably mounted. Are read processing that is information processing for reading information recorded on a recording surface (not shown) provided on at least one surface, and recording processing that is information processing for recording various information on the recording surface. The disk device 100 is a power that is exemplified by a so-called thin slot-in type that is mounted on an electric device such as a portable personal computer. For example, the disk device 100 performs processing for recording and reproduction such as recording of game machines and video data. A single unit such as a playback device may be used. Further, the disk device 100 can store a large-diameter disk 1A having a diameter of 12 cm and a small-diameter disk 1B having a diameter of 8 cm as the optical disk 1. The disc-shaped recording medium is not limited to the optical disc 1, but can be a disc-shaped recording medium having a discrepancy between! / ヽ, such as a magnetic disc and a magneto-optical disc. The disc device 100 includes a substantially box-shaped device body 10 made of, for example, metal and having an internal space. In this apparatus main body 10, the lower side in FIG. 1 is the front 10A of the apparatus main body, the left side wall of the apparatus main body 10 in FIG. 1 is the left wall 10B, the right side wall of the apparatus main body 10 in FIG. The side opposite to the front surface 10A of the apparatus body 10 is appropriately referred to as a back surface 10D.

[0013] Inside the apparatus main body 10 are a disk processing unit 20 called a so-called traverse mechanism, a conveying means 30 that also functions as a conveying device for conveying the optical disc 1, and an illustration as a drive control unit. And a control circuit unit that does not. Then, on the front surface 10A of the apparatus body 10, there is a slit-like opening for inserting and ejecting the optical disc 1. Slot 11 is formed extending in the left-right direction in FIG.

[0014] The disk processing unit 20 includes a pedestal portion 21 that is formed in a substantially plate shape by, for example, a metal plate and is supported on the apparatus main body 10 so that one end thereof is swingable. The pedestal portion 21 is formed in a longitudinal direction from the front surface 10A side of the left wall 10B of the apparatus body 10 toward the center position. The pedestal 21 has a longitudinal processing opening 21A cut out in the approximate center along the longitudinal direction. The disk rotation driving means 22 is disposed at one end of the processing opening 21A of the pedestal 21, that is, at a substantially central position of the apparatus main body 10. The disk rotation driving means 22 includes a spindle motor (not shown) and a turntable 23 provided integrally with the output shaft of the spindle motor. The spindle motor is connected to the control circuit section so as to be controllable, and is driven by electric power supplied from the control circuit section. The turntable 23 is a drive unit that is provided at a substantially central portion inside the apparatus main body 10 and that rotationally drives the optical disc 1.

In addition, an information processing unit 24 is disposed on the pedestal unit 21. The information processing unit 24 is supported so as to be bridged between the pair of guide shafts 25, and is closely spaced from the turntable 23 in the processing opening 21A by a moving mechanism (not shown). The information processing unit 24 includes a pickup having a light source (not shown), a pickup lens 24A for converging light from the light source, and an optical sensor (not shown) for detecting emitted light reflected by the optical disk 1.

The conveyance means 30 includes a conveyance motor 31 that is disposed in the apparatus main body 10 and that is controlled in operation by, for example, a control circuit unit, and a link mechanism unit 32 that is linked by driving the conveyance motor 31.

[0017] The link mechanism section 32 includes a disk guide mechanism 41 as a guide member provided inside the apparatus main body 10 and on the left wall 10B side of the slot 11, and a link guide section 32 inside the apparatus main body 10 and the slot 11 A disk diameter detection mechanism 42 that also functions as a loading member provided on the right wall 10C side, a disk discharge mechanism 43 that also functions as a discharge member that discharges the optical disk 1 disposed on the turntable 23, and a pedestal 21 A first drive cam 44 and a second drive cam 45 which are swing cams.

[0018] The disc guide mechanism 41 includes a guide lever 411 for guiding the conveyance of the optical disc 1, and the guide lever 411. A disk guide 412 connected to the front 10A side of the idle lever 411, a bridge plate 413 as a protective plate, and an 8 cm arm 414 as a carry-out direction biasing member provided rotatably on the bridge plate 413. .

The guide lever 411 is a rod-like member formed in a longitudinal shape in the transport direction of the optical disc 1. A guide portion 411 A made of synthetic resin for guiding the movement of the optical disc 1 in the transport direction is fixed to the side surface of the guide lever 411 on the inner side (side into which the optical disc 1 is inserted). . The guide portion 411A is formed with a guide groove that is concaved toward the left wall 10B, and guides the periphery of the optical disc 1 in sliding contact with the guide groove. The guide portion 411A is formed with a rotation restricting pin 411C that protrudes toward the bottom side. Further, the side surface of the guide lever 411 is formed in a shape curved by an inward force on the back surface 10D side following the guide portion 411A, and restricts the movement of the optical disc 1.

[0020] A guide pin 411B penetrating from the top surface side to the bottom surface side is fixed to an end of the guide lever 411 on the back surface 10D side. This guide pin 411B is locked to a bridge plate 413 and an 8 cm arm 414 described later. A disc guide 412 is rotatably connected to the front 10 A side end of the guide lever 411.

Furthermore, a leaf spring 4 11D is provided at the end on the front surface 10A side of the guide lever 411 so as to face the left wall 10B. The leaf spring 411D urges the connecting portion between the guide lever 411 and the disk guide 412 inward when the guide lever 411 moves toward the left wall 10B. This prevents the connecting portion of the guide lever 411 and the disk guide 412 from being refracted outward.

[0022] The disc guide 412 is formed in a longitudinal shape, and one end thereof is rotatably attached to the vicinity of the left wall 10B of the apparatus main body 10. Further, the other end of the disk guide 412 is rotatably connected to one end of the guide lever 411 as described above. As a result, the front 1 OA side end of the guide lever 411 can be rotated on an arc whose center is one end of the disc guide 412 and whose length is the length of the disc guide 412. Further, an inwardly projecting flange portion 412A is formed on the bottom surface side of the disc guide 412. When the optical disc 1 is inserted along the flange portion 412A, the peripheral portion of the optical disc 1 is in sliding contact. A sliding contact surface 412B is formed. In addition, the disc guide 412 and the guide lever 411 The connecting portion is an extruding portion 412C for extruding the periphery of the optical disc 1 toward the front surface 10A when the optical disc 1 is ejected.

The bridge plate 413 is a plate-like member provided in the left-right direction on the back surface 10D side of the apparatus body 10. The bridge plate 413 is provided so as to cover the control circuit unit described above and protects the control circuit unit. A guide guide groove 415 as a guide guide portion is formed on the left wall 1 OB side of the bridge plate 413 by force from the back 10D side corner portion of the apparatus body 10 toward the inner center position.

[0024] The guide guide groove 415 includes an arc groove 415A as a first guide portion formed in a shape substantially parallel to the rotation trajectory of the connection portion of the guide lever 411 and the disk guide 412 and the arc groove 415. A linear groove 415B as a second guide portion extending substantially along the conveying direction of the optical disc 1 continuously to A, and formed continuously to the linear groove 415B, and with respect to the linear groove 415B, An inclined groove 415C is provided as a second guide portion that is inclined in the direction of the center position of the apparatus body 10 by an angle. In the guide guide groove 415, a guide pin 411B protruding toward the bottom surface side of the guide lever 411 is locked to guide the movement of the guide lever 411. Here, the linear groove 415B is set so that the length of the perpendicular line extending from the turntable 23 onto the extension line of the linear groove 415B is substantially the same as the radius of the small-diameter disk 1B.

[0025] Further, on the right wall 10C side of the bridge plate 413, an 8 cm arm 414 is pivotally supported. Furthermore, an arc-shaped arm restricting groove 413A centering on the axial support position of the 8 cm arm 414 is formed in the center portion of the bridge plate 413 and the right wall 10C side, and the rotational range of the 8 cm arm 414 is increased. It is regulated.

[0026] And on the right wall 10C side of the bridge plate 413, an assist arm 431 as an arm member of a disc ejection mechanism 43 described later is pivotally supported, and the assist arm 431 serves as a rotation center. An arc-shaped assist regulating groove 413B is formed. Further, at an approximate center of the bridge plate 413, an eject arm 432 as a carry-out member engaged with the assist arm 431 is pivotally supported. Further, a control groove 413C that is long in the left-right direction is formed on the front surface 10A side of the bridge plate 413. In addition, the bridge plate 413 has an arc shape with the rotation center of the assist arm 431 as a rotation center. An assist restriction groove portion 413D is formed on the opposite side of the assist restriction groove 413B via the center.

Furthermore, a push arm 416 is rotatably supported between the bridge plate 413 and the guide lever 411 on the left wall 10B side of the bridge plate. The pusharm 416 is formed in a longitudinal shape, and a pin locking groove 416A is formed from one longitudinal end portion toward the shaft support position. When the guide pin 411B of the guide lever 411 moves in the arc groove 415A of the guide guide groove 415, the rotation restricting pin 411C formed in the guide portion 411A is passed through the pin locking groove 416A. When the guide lever 411 further moves to the left wall 10B side and the pin locking groove 416A is pushed by the rotation restricting pin 411C, the push arm 416 rotates to the left wall 10B side. Further, on the right wall 10C side of the push arm 416, a pressing piece 416B protruding downward is formed. When the push arm 416 is rotated toward the left wall 10B, the presser piece 416B is restricted from rotating by the push stopper 424 E of a slide stopper 424, which will be described later. Hold lever 411 moved to the left wall 10B. In addition, a push arm biasing spring 416C is provided between the front end of the push arm 416 and the bridge plate 413. The push arm urging spring 416C urges the push arm 416 inward, that is, in the direction in which the left wall 10B force also moves away. Rotate.

[0028] As described above, the 8cm arm 414 is pivotally supported on the right wall 10C side of the bridge plate 413 so as to be rotatable about the rotation shaft 414D. Further, the 8 cm arm 414 is provided with an arm restricting pin 414A as a second engaging portion that can also function as a first engaging portion protruding to the bottom side, and the arm restricting pin 414A is used as an arm restricting pin for the bridge plate 413. Locked in the groove 413A. Further, a guide link groove 414B formed along the length of the 8 cm arm is formed at the tip of the 8 cm arm 414. A guide pin 411B protruding to the top surface side of the guide lever 411 is engaged with the guide link groove 414B. A contact member 414E protruding inward is provided in the vicinity of the rotating shaft 414D of the 8 cm arm 414. As shown in FIG. 2, the contact member 414E includes a first protrusion 414E1 that protrudes in a thin plate shape from the inner side to the distal end side of the 8cm arm 414, and a protrusion tip of the first protrusion 414E1. An end force is also provided with a second projecting portion 414E2 projecting in a thin plate shape on the bottom side. As shown in FIG. 1, the second projecting portion 414E2 is provided with an arm biasing spring 414C that biases the left wall 10B side tip of the 8 cm arm toward the front surface 10A. With this arm biasing spring 414C, the 8cm arm 414 is always biased counterclockwise. The 8 cm arm 414 causes the guide lever 411 to guide the guide pin 411B so that the guide pin 411B returns to the initial state located at the tip of the inclined groove 415C of the guide guide groove 415, that is, in the direction of ejecting the optical disc 1. Being energized by

In addition, an arm position detection switch 46 as a stop position detecting means is provided in the vicinity of the rotation shaft 414D in the control circuit unit. As shown in FIG. 2, the arm position detection switch 46 includes a switch base 46A as a thin square box-shaped detection means base, and a contact between the switch member 46A and a second protrusion 414E2 of the contact member 414E on one side surface of the switch base 46A. And a forward / backward member 46B as a moving member that advances / retreats by. The advancing / retracting member 46B is pushed by the contact of the contact member 414E when the large-diameter disk 1A is inserted and the 8cm arm 414 moves to a position close to the back surface 10D against the bias of the arm biasing spring 414C. Turns on (see Figure 4). Further, when the small-diameter disk 1B is inserted or when the optical disk 1 is not inserted and the 8 cm arm 414 is moved to a position away from the back surface 10D by the bias of the arm biasing spring 414C, the contact of the contact member 414E It is released from and is turned off without being pushed (see Fig. 2 and Fig. 8). That is, the arm position detection switch 46 is set to an on state or an off state according to the stop position of the 8 cm arm 414.

[0030] As shown in FIG. 1, when the optical disk 1 inserted into the slot 11 is a large-diameter disk 1A, the disk diameter detection mechanism 42 cancels the movement restriction of the guide lever 411 of the disk guide mechanism 41, When the optical disc 1 is a small-diameter disc 1 B, the movement of the guide lever 411 is restricted.

Specifically, the disk diameter detection mechanism 42 includes a load arm 421 serving as a detection means whose one end abuts against the optical disc 1 and whose other end is rotatable to the apparatus body 10, and the load arm 421. When the rotation angle of the load arm 421 connected to the arm 421 is large and the movement restriction of the guide lever 411 and the eject arm 432 is released and the rotation angle of the load arm 421 is small, the guide lever 411 and the eject arm 432 Restrict movement Arm link mechanism 422 is provided.

The load arm 421 is provided with a roller-like contact portion 421A that contacts the peripheral edge of the optical disc 1 at one end portion, and the other end portion is rotatably supported by the apparatus main body 10. The load arm 421 is formed of an elongated rectangular plate member, and a guide groove 421B is formed along the longitudinal direction thereof. Further, the load arm 421 is urged clockwise by urging means (not shown) so as to return to the initial position as shown in FIG.

[0033] The arm link mechanism 422 includes a substantially flat link arm 423 provided with a protrusion 423A guided at the guide groove 421B at the end, and a substantially flat plate in which the link arm 423 is connected to one end. And a slide stopper 424 as a stopper.

[0034] The load arm 421 and the link arm 423 are on the right wall 10C side in the apparatus main body 10, and are disposed in substantially the same plane as the plane on which the guide lever 411 and the disc guide 412 of the disc guide mechanism 41 are arranged. Has been.

The link arm 423 is rotatably supported on the other end side with respect to the rotation shaft 423B fixed to the apparatus main body 10, and is positioned so as to face the protrusion 423A across the rotation shaft 423B. Further, an engaging protrusion 423C as a third locking portion is formed on the link arm 423. Further, an urging member (not shown) is provided at the end of the link arm 423 where the engagement protrusion 423C is provided, and urges toward the right wall 10C side. As a result, the load arm 421 is biased inward, that is, clockwise.

[0036] The slide stopper 424 is disposed on the bottom surface side of the bridge plate 413 on the back surface 10D side from the turntable 23 so as to be movable in the left-right direction in the figure, and at the right end portion of the slide stopper 424 It has an inclined contact portion 424A that is in contact with the engaging protrusion 423C that protrudes in a substantially tongue-like shape toward the right side in FIG. A third engagement recess 424B is formed as the third engagement portion. When the large-diameter disc 1A is inserted as the optical disc 1 and the load arm 421 is rotated, the link arm 423 is also rotated, and the engaging protrusion 423C is moved to the front surface 10A side and comes into contact with the engaging protrusion 423C. Since the inclined contact portion 424A is pushed, the slide stopper 424 slides to the right wall 10C side. The slide stock 424 also functions as a first engagement portion that can function as a first engagement portion that can close a part of the arm regulating groove 413A of the bridge plate 413. 2 A restricting stopper 424C is provided as an engaging portion. As described above, when the load arm 421 rotates and the slide stopper 424 moves to the right wall 10C side, the restriction stopper 424C opens the arm restriction groove 413A and the arm restriction pin 414A of the 8cm arm 414 can move. It becomes a functioning state. On the other hand, when the load arm 421 returns to the initial position and the slide stopper 424 returns to the initial position, the arm restricting groove 413A is closed and the arm restricting pin 414A cannot move. Thereby, the rotation of the guide lever 411 connected to the 8 cm arm 414 is also restricted. As a result, the guide lever 411 can also move to the left wall 10B side.

[0037] Further, a cam interlocking groove 424D that can be connected to the second drive cam 45 is formed on the front surface 10A side of the slide stock 424. As a result, when the second drive cam 45 moves, the slide stopper 424 also moves in the left-right direction. A push stopper 424E is provided on the left wall 10B side of the slide stopper 424. This push stopper 424E is brought into contact with the presser piece 416B of the pusharm 416 and restricts the rotation of the push arm 416 when the slide stock 424 moves to the left wall 10B side by the movement of the second drive cam 45. .

[0038] Further, an eject restricting window 424F serving as a first engaging portion that can also function as a second engaging portion is formed at a substantially central position of the slide stopper 424. The eject restricting window 4 24F is formed as a concave groove extending in the left-right direction, which is the moving direction of the slide stopper 424, and is an eject restricting groove for a large-diameter disc that is also a first engaging portion that can function as a restricting portion 42 4F1 and a small engagement disc outer restriction groove 424F2 which is also a first engagement portion that can also function as a restriction portion, and a slide stock 424 in the ejection restriction groove 424F1 and the ejection restriction groove 424F2 for the small diameter disc 424F2 As a first locking part that can also function as a second locking part by the rotation of an assist arm 431, which will be described later, in a state where the end opposite to the direction moved by the second drive cam 45 communicates And a movement groove 424F3 as a movement portion corresponding to the movement locus of the grease regulating pin 431A. When the slide stno 424 is moved to the left wall 10B side by the movement of the second drive cam 45 in these large-diameter disc ejection regulating grooves 424F1 and small-diameter disc ejection regulating grooves 424F2, the assist arm 431 eject The restriction pin 431A is engaged to restrict the rotation of the assist arm 431. In addition, these large-diameter disc ejection restricting grooves 424F1 and small-diameter disc eject restricting grooves 424F2 move the end force slide stopper 424 opposite to the moving groove 424F3. It is formed so as to incline in a direction intersecting the direction, specifically in a direction away from the turntable 23, and the eject regulating pin 431A is engaged with this inclined portion, so that the eject arm 432 and the optical disc 1 are The eject arm 432 is rotated via an assist arm 431, which will be described later, in a state in which a clearance is secured in between. This inclined portion serves as a retraction portion of the present invention, and the ejection restricting window 424F is formed in a comb shape, specifically, an F shape. Then, the tongue-shaped part located between the eject restricting groove 424F1 for the large diameter disc and the eject restricting groove 424F2 for the small diameter disc is slid by the slide stopper 424. The groove 413D moves forward and backward, and the ejection restricting pin 431A is engaged with the large diameter disc ejection restricting groove 424F1 or the small diameter disc eject restricting groove 424F2.

[0039] Further, the slide stopper 424 has a base end portion of the restriction stopper 424C, which is located on the back surface 10D side of the apparatus body 10 and intersects the moving direction of the slide stopper 424, specifically, the turntable 23. A large-diameter disk relief portion 424G1 is provided as a relief portion that slopes stepwise in a direction away from the center. Further, the slide stopper 424 is positioned on the front side 1 OA side of the main body 10 opposite to the large-diameter disk escape portion 424G1 at the base end of the restriction stopper 424C, with respect to the moving direction of the slide stopper 424. In the direction intersecting with each other, more specifically in the direction away from the turntable 23, a small-diameter disk relief groove 424G2 is provided as a concave groove-like relief portion. The clearance 424G1 for large-diameter discs and the clearance groove 424G2 for small-diameter discs engage with the arm restricting pin 414A of the 8cm arm 414 to provide clearance between the guide lever 411 of the disc guide mechanism 41 and the optical disc 1. The disc guide mechanism 41 is moved to the reserved state.

[0040] Further, the slide stopper 424 is provided with a positioning restriction piece 424H that protrudes toward the back surface 10D of the apparatus main body 10 and that has its tip end bent upward (front side in FIG. 1). The positioning restriction piece 424H is applied to a leaf spring member 417, which is an urging member, disposed on the bridge plate 413 on the movement locus of the positioning restriction piece 424H so as to be elastically deformable in the moving direction of the slide stopper 424. Connect and separate. In this contact / separation state, when the engagement protrusion 423C of the link arm 423 contacts the inclined contact portion 424A of the slide stopper 424 and the slide stopper 424 slides toward the right wall 10C, the leaf spring member 417 is elastically deformed. State When the engagement protrusion 423C of the link arm 423 moves to the rear surface 10D side and the third engagement recess 424B force of the slide stock 424 is also released, the slide stock 424 is restored by the restoring force due to the elastic deformation of the leaf spring member 417. Is moved to the left wall 10B side, and is in the state of being in the steady position shown in FIG.

The disc ejection mechanism 43 is a mechanism for ejecting the optical disc 1 by pushing it into the slot 11.

The disc ejection mechanism 43 includes an assist arm 431 and an eject arm 432.

[0042] As described above, the assist arm 431 is provided with the pivot regulating pin 431A that is provided on the right wall 10C side of the bridge plate 413 so as to rotate and engages with the assist regulating groove 413B. Thereby, the rotation range of the assist arm 431 is regulated in the assist regulation groove 413B. Further, as described above, the ejection regulating pin 431 A is inserted into the ejection regulating window 424F via the assist regulating groove 413D of the bridge plate 413, and the slide stock 424 is moved so that the ejection regulating groove for the large-diameter disc is moved. The assist arm 431 is restricted from rotating by being engaged with the 424F1 or the small-diameter disc ejection restricting groove 424F2. In other words, the eject restricting pin 431A is in a state where the tongue-like portion located between the eject restricting groove 424F1 for the large diameter disc and the eject restricting groove 424F2 for the small diameter disc closes a part of the assist restricting groove 413D of the bridge plate 413. By advancing and retracting, it is engaged with the ejection regulating groove for large diameter disc 424F1 or the ejection regulating groove for small diameter disc 424F2. Furthermore, a gear 431B is formed at one end of the assist arm 431 on the left wall 10B side. The assist arm 431 is urged counterclockwise by an urging member (not shown), that is, the gear 431B is urged toward the front 10A in the direction of the force. In addition, the tongue 431C is formed with a tongue-like detection piece 431C in a state in which the rotation center force protrudes outward.

[0043] As described above, the eject arm 432 is rotatably provided on the bridge plate 413. The ejector arm 432 is disposed on the top surface side of the bridge plate 413 and the gear portion 432A serving as a gear positioned on the bottom surface side of the bridge plate 413. And a longitudinal arm portion 432B which is positioned. The gear portion 432A meshes with the gear 431B of the assist arm 431, and is urged clockwise by the urging force of the assist arm 431. With this biasing force, the arm part 432B Is biased in the clockwise direction, that is, in the direction of pushing the optical disc 1 into the slot 11. In addition, a roller-shaped contact portion 432C that contacts the periphery of the optical disc 1 is provided at the tip of the arm portion 432B. Further, an arm control protrusion 432D is formed on the opposite side of the pivot portion of the eject arm 432 from the arm portion 432B. The arm control protrusion 432D comes into contact with the side edge of the 8cm arm 414 when the eject arm 432 rotates.

Each of the first drive cam 44 and the second drive cam 45 has an engagement groove (not shown), and these engagement grooves are formed on the two side surfaces of the base portion 21. The cam projections (not shown) are respectively engaged. The first drive cam 44 and the second drive cam 45 are formed in a substantially long shape, and are advanced and retracted along the longitudinal direction by a motor and a gear mechanism (not shown). As a result, the pedestal 21 is swung so as to be close to and away from the recording surface of the optical disc 1 mounted on the turntable 23.

[0045] The link arm 423, the first drive cam 44, and the lever reduce the amount of the optical disc 1 sent to the turntable 23 when the optical disc 1 is a large-diameter disc 1A, and the optical disc 1 becomes a small-diameter disc 1B. In this case, a disc feeding cam portion 51 is provided to increase the feeding amount of the optical disc 1 to be sent to the turntable 23.

The disc feeding cam portion 51 includes a protrusion 52 provided on the link arm 423, and a cam groove 53 that is engaged with the protrusion 52 and formed in the first drive cam 44. Yes.

[0047] The cam groove 53 includes a first cam groove 53A for feeding the large-diameter disk 1A, a second cam groove 53B for feeding the small-diameter disk 1B, and the first cam groove 53A and the second cam groove. And a common cam groove 53C joined at one end with 53B. The first cam groove 53A and the second cam groove 53B are formed to extend in the moving direction of the first drive cam 44, respectively.

[0048] The second drive cam 45 is connected to the first drive cam 44, and moves forward and backward in the left-right direction in conjunction with the forward and backward movement of the first drive cam 44. On the first drive cam 44 side of the second drive cam 45, as shown in FIG. 3, there is provided a force projection 45A that projects in a rectangular shape in plan view in the direction of the back surface 10D. Then, when a sensor (not shown) detects that the center of the optical disk 1 is located on the turntable 23, the first drive cam 44 moves to the rear surface 10D side, and the second drive cam 45 moves to the left wall 10B side. Move to. This second drive cam 45 Accordingly, the pedestal 21 is brought close to the recording surface of the optical disc 1, and the optical disc 1 is clamped with respect to the turntable 23. In this state, the turntable 23 rotates and information is recorded on the optical disc 1 or information recorded on the optical disc 1 is reproduced.

Further, as shown in FIGS. 1 and 3, a clamp detection switch 47 as a holding detection unit is provided in the vicinity of the second drive cam 45 in the control circuit unit. The clamp detection switch 47 includes a thin square box-like switch base 47A, and an advance / retreat member 47B that advances and retreats by contact of the cam protrusion 45A of the second drive cam 45 on one side surface of the switch base 47A. Yes. As shown by the imaginary line (two-dot chain line) in FIG. 3, the advancing / retracting member 47B moves when the second driving force drum 45 moves to the left wall 10B side and the optical disc 1 is clamped to clamp the cam projection 45A. Pressed by contact to turn on. Also, as shown by the solid line in FIG. 3, when the second drive cam 45 moves to the right wall 10C side and the clamp of the optical disc 1 is released, the cam protrusion 45A is released from the contact and pressed. It will be turned off.

The control circuit unit appropriately controls the operation of the disk device 100 as described above. Further, when the eject detection button is pressed while the clamp detection switch 47 is on, that is, when the optical disc 1 is clamped, the control circuit section recognizes the on-state of the arm position detection switch 46. When it is recognized that the arm position detection switch 46 is in the ON state, it is determined that the large-diameter disk 1A is clamped, and the operation of each member is controlled so that the large-diameter disk 1A is ejected. Further, when it is recognized that the arm position detection switch 46 is in the OFF state, it is determined that the small-diameter disk 1B is clamped, and the operation of each member is controlled so that the small-diameter disk 1B is ejected.

[0051] Further, as shown in FIG. 1, a first switch 48A similar to the arm position detection switch 46 and the clamp detection switch 47 is disposed in the vicinity of the slide stopper 424 in the control circuit section. Yes. In this first switch 48A, the engagement protrusion 423C of the link arm 423 that rotates together with the load arm 421 is brought into contact with the inclined contact portion 424A of the slide stopper 424 so that the slide stop 424 is brought into contact with the front 10A side. When it slides to the right wall 10C side, it turns on. In addition, the first switch 48A has the engagement protrusion 423C of the link arm 423 moved to the rear surface 10D side, the third engagement recess 424B of the slide stopper 424 is also released, and is slid to the steady position by the restoring force of the leaf spring member 417. When the stagger 424 is moved, it is turned off. [0052] Further, as shown in FIG. 1, a second switch 48B and a third switch 48C similar to the arm position detection switch 46 and the clamp detection switch 47 are arranged near the assist arm 431 in the control circuit section. It is installed. The second switch 48B is located in the vicinity of the tip of the detection piece 431C of the assist arm 431, and is turned on when the eject arm 432 is in the initial position shown in FIG. 1, and an 8 cm small-diameter disk 1B is inserted from the slot 11. When the assist arm 431 is rotated by being carried to the position held by the turntable 23 and rotating, it is disposed at a position where the assist arm 431 is turned off. The third switch 48C is located near the base end of the detection piece 431C of the assist arm 431, and is held on the turntable 23 in the off state when the eject arm 432 is in the initial position shown in FIG. The assist arm 431 is disposed at a position where the assist arm 431 is turned on when the eject arm 432 is rotated further to the back surface 10D side than the eject arm 432 is in contact with the small-diameter disk 1B. Then, the control circuit unit in which the first switch 48A, the second switch 48B, and the third switch 48C are mounted at predetermined positions, the transport motor 31, the first drive cam 44, and the second drive cam 45. Thus, the operation unit of the present invention is configured.

[Operation of Disk Device]

Next, the operation of the disk device 100 will be described with reference to FIG. 4 and FIG. FIG. 4 is a partially enlarged view showing a state in the vicinity of the arm position detection switch when a large-diameter disk is inserted. FIG. 5 is a plan view showing the inside of the main body of the disk device in a state in which about half of the large-diameter disk is inserted when the large-diameter disk is inserted. FIG. 6 is a plan view showing the inside of the main body of the disk device when the disk insertion is completed when a large-diameter disk is inserted. FIG. 7 is a plan view showing the inside of the main body of the disk device when the large-diameter disk is clamped. FIG. 8 is a partially enlarged view showing a state in the vicinity of the arm position detection switch when a small-diameter disk is inserted. FIG. 9 is a plan view showing the inside of the main body of the disk device when a small-diameter disk is inserted and about half of the small-diameter disk is inserted. FIG. 10 is a plan view showing the inside of the main body of the disk device when the disk insertion is completed when a small-diameter disk is inserted. FIG. 11 is a plan view showing the inside of the main body of the disk device when the small-diameter disk is clamped. [0054] (Detection of large diameter disk)

First, the operation of the disk device when detecting the clamp of the large-diameter disk 1A having a disk diameter of 12 cm inserted into the disk device 100 in the initial state as shown in FIG. When the large-diameter disk 1A is inserted from the slot 11 of the disk device 100 in the initial state shown in FIG. 1, the peripheral part of the large-diameter disk 1A pushes the contact part 421A of the load arm 421 toward the right wall 10C and rotates it. . As a result, the link arm 423 rotates counterclockwise, and the slide stopper 424 slides to the right wall 10C side. Due to this movement of the slide stno 424, the restriction stopper 424C is disengaged from the arm restriction groove 413A of the bridge plate 413 and the restriction of the rotation range of the 8cm arm 414 is released, and the large diameter disc ejection restriction groove 424F 1 and Eject restriction groove for small-diameter disc The tongue-shaped part located between 424F2 is disengaged from the assist restriction groove 413D of the bridge plate 413 and the restriction of the rotation range of the assist arm 431 is released and the restriction of the rotation of the eject arm 432 is released Is done. Further, when the slide stopper 424 slides toward the right wall 10C, the first switch 48A is also turned on, and the control circuit unit recognizes the on state of the first switch 48A. In this state, the eject arm 432 is in a state in which the large-diameter disk 1A does not contact and does not rotate, so that the second switch 48B is kept on and the third switch 48C is kept off. The control circuit recognizes this state as well.

[0055] In this state, when the large-diameter disk 1A is further pushed in, the side edge of the large-diameter disk 1A comes into contact with the sliding contact surface 412B of the disk guide 412 and the disk guide 412 is moved to the left wall 1OB side. Turn. At this time, the guide lever 411 is also pushed into the back surface 10D side, and the guide pin 411B moves from the inclined groove 415C and the linear groove 415B of the guide guide groove 415 to the arc groove 415A. Then, the guide pin 411B moves to the left wall 10B side along the circular groove 415A, so that the guide lever 411 is maintained in a state substantially parallel to the conveying direction of the large-diameter disk 1A while maintaining the left wall 10B. The guide part 411 A guides the peripheral part of the large-diameter disc 1 A. Further, the movement of the guide pin 411B causes the 8cm arm 414 to rotate in the direction approaching the back surface 10D. When the 8 cm arm 414 rotates, as shown by the solid line in FIG. 4, the contact member 414E pushes the advancing / retracting member 46B of the arm position detecting switch 46, and the arm position detecting switch 46 is turned on. At this time, the rotation restricting pin 411C of the guide portion 411A is pushed by the pusher. The push arm 416 is also rotated to the left wall 10B side. Further, when the large-diameter disc 1A is pushed in, the side edge of the large-diameter disc 1A comes into contact with the abutting portion 432C of the ejector arm 432 to rotate the eject arm 432. As the eject arm 432 rotates, the assist arm 431 engaged with the gear 431B also rotates.

[0056] After that, as shown in FIG. 5, for example, about half of the large-diameter disk 1A is inserted, so that the arm 421 is urged inward, that is, in the clockwise direction. Move along the rim of 1A. The load arm 421 then pushes the large-diameter disk 1A toward the rear 10D side by the biasing force. In the state shown in FIG. 5, the ejector arm 432 is further rotated, the second switch 48B is turned off, the third switch 48C is turned on, and the control circuit unit is turned off and the second switch 48B is turned off. 3 Switch Recognizes the ON state of 48C. Since the first switch 48A is in the ON state, the control circuit unit determines that the large-diameter disk 1A has been inserted, and drives the transport motor 31 to drive the first drive cam 44 and the second drive as described later. Move the drive cam 45. If more than half of the large-diameter disk 1A is inserted into the apparatus body 10, and further, if more than half of the large-diameter disk 1A passes through the connecting portion of the guide lever 411 and disk guide 412, the leaf spring 411D is Since it is biased inward, the guide lever 411 is inclined so that the front 10A side protrudes inward, and guides the large-diameter disc 1A to the back.

Then, as shown in FIG. 6, when the central force of the large-diameter disc 1 A is moved onto the turntable 23, the disc loading is completed. Then, as shown in FIG. 7, the large-diameter disk 1A is clamped to the turn table 23. To do this, the insertion detection switch (not shown) is pushed by inserting the large-diameter disk 1A, and as described above, the control circuit unit turns on the first switch 48A, the second switch 48B off, and the third switch. Recognizing the ON state of 48C, the transport motor 31 (see Fig. 1) is driven, and the first drive cam 44 moves to the front 10A side. At this time, the protrusion 52 is inserted into the first cam groove 53A of the first drive cam 44, and the position of the load arm 421 is fixed in a state where a clearance is provided between the large-diameter disk 1A. Further, in conjunction with the movement of the first drive cam 44, the second drive cam 45 also moves to the left wall 1OB side. Then, the first drive cam 44 and the second drive cam 45 move the pedestal 21 to the top surface side, and the large-diameter disk 1 A force is clamped. [0058] Further, when the second drive cam 45 moves to the left wall 10B side, the slide stopper 424 moves to the left wall 10B side, and the large diameter disk escape portion 424G1 of the slide stono 424 moves 8cm. The arm restricting pin 414A of the track 414 is engaged so as to ride up, the 8cm arm 414 is moved to the back surface 10D side, and the guide lever 411 is moved to the left wall 10B side (see FIG. 1). Further, the push stopper 424E is brought into contact with the presser piece 416B of the push arm 416. As a result, the guide lever 411 is pressed against the left wall 10B side, and a clearance of a predetermined dimension is provided between the large diameter disc 1A. Also, the movement of the slide stopper 424 causes the eject restricting pin 431A of the cache arm 431 to engage with the eject restricting groove 424F1 for the large-diameter disc, and the abutting portion 432C of the eject arm 432 also has a predetermined size between the large-diameter disc 1A. Movement is restricted with legal clearance. Further, when the second drive cam 45 moves to the left wall 10B side, as shown by the imaginary line in FIG. 3, the clamp detection switch 47 is turned on by pushing the advancement / retraction member 47B of the cam projection 45A force clamp detection switch 47. Switch to the state. Then, the control circuit section recognizes the ON state of the arm position detection switch 46 and the ON state of the clamp detection switch 47, and detects that the large-diameter disk 1A force S has been clamped.

[0059] After this, when the operator presses the eject button, for example, the disk device 100 causes the large-diameter disk 1 A to be turned on and off by the arm position detection switch 46 and the clamp detection switch 47 in the control circuit section. Since it is judged that the force S is clamped, the discharge process of the large-diameter disk 1A is started immediately.

[0060] (Detection of small diameter disk)

Next, the operation of the disk device when detecting the clamp of the small-diameter disk IB having a disk diameter of 8 cm inserted into the disk apparatus 100 in the initial state as shown in FIG. When the small-diameter disk 1B is inserted from the slot 11 of the disk device 100 in the initial state, as shown in FIG. 9, the peripheral edge of the small-diameter disk 1B comes into contact with the contact part 421A of the load arm 421 and the disk guide 412. With the abutting portion 421 A sliding on the periphery of the small-diameter disc 1 B, the disc guide 412 is pushed in and rotated to the left wall 10 B side. At this time, the guide lever 411 is also pushed into the back 1 OD side, and the guide pin 411B also moves the inclined groove 415C force of the guide guide groove 415 to the linear groove 415B. By inserting the small diameter disc 1B, The peripheral part will push the abutting part 421A of the load arm 421 slightly toward the right wall IOC and turn it, but if it is not pushed in with a large force, the turning amount is small. For this reason, the first switch 48A, which does not prevent the link arm 423 from rotating counterclockwise and the slide stopper 424 from sliding to the right wall 10C side, is maintained in the OFF state, and the control circuit section is connected to the first switch 48. Recognizes that A is off. When the peripheral edge on the right side of the small-diameter disk 1B is inserted to the rear surface 10D side with respect to the contact portion 421A of the load arm 421, the load arm 421 rotates inward to push the small-diameter disk 1B into the center position. . Further, when the small-diameter disc 1B is inserted from the position force shifted to the left wall 10B side, the small-diameter disc 1B is guided and inserted into the center position along the sliding contact surface 412B of the disc guide 412. (refer graph1).

[0061] When the right end portion of the small-diameter disc 1B moves to the back surface 10D side from the contact portion 421A of the load arm 421, the small-diameter disc 1B is sent out to the back surface 1 OD side by the urging force of the load arm 421. . At this time, since the guide pin 411 B is engaged with the straight groove 415B, the guide lever 411 has a distance from the guide portion 411 A of the guide lever 411 to the center position of the turntable 23. It almost matches. Therefore, the small-diameter disc 1B pushed by the load arm 421 is conveyed above the turntable 23 along the guide portion 411A of the guide lever 411. At this time, since the guide lever 411 is located away from the left wall 10B, the 8cm arm 414 is located away from the back surface 10D force. For this reason, as shown by the solid line in FIG. 8, the contact member 414E is not pushed against the advance / retreat member 46B of the arm position detection switch 46, and the arm position detection switch 46 is maintained in the OFF state.

[0062] After that, for example, as shown in FIG. 9, when about half of the small-diameter disk 1B is inserted, the load arm 421 is biased inward, that is, clockwise, so that the load arm 421 is almost rotated. The state in which the engagement protrusion 423C of the link arm 423 engages with the third engagement recess 424B of the slide stock 424 is maintained, and the slide stock bar 424 does not move. As a result, a part of the arm restricting groove 413A of the bridge plate 413 is blocked by the restricting stopper 424C of the slide stopper 424, and located between the large diameter disc eject restricting groove 424F1 and the small diameter disc eject restricting groove 424F2. The tongue-shaped portion closes a part of the assist regulating groove 413D of the bridge plate 413, and the moving groove 424F3 Is maintained in communication with the small-diameter disk discreet regulating groove 424F2. As a result, the rotational ranges of both the 8 cm arm 414 and the eject arm 432 are restricted. Since the slide stopper 424 is not moved to the right wall 10C side, the first switch 48A is maintained in the off state, and the control circuit unit recognizes the off state of the first switch 48A.

[0063] Then, it is guided between the guide lever 411 and the load arm 421 whose rotation is restricted by the movement restriction of the 8cm arm 414, and, for example, about half of the small-diameter disc 1B is inserted as shown in FIG. Since the load arm 421 is urged inward, that is, clockwise, the small-diameter disc 1B is also pushed into the rear 10D side by the front 10A force. When the small-diameter disc 1B is transported to the state where the center portion is located on the turntable 23 by this pushing, it is not transported further back by the eject arm 432 restricted in rotation, and the center is surely centered on the turntable 23. The part is located and the disk loading is complete. Then, as shown in FIG. 10, the small-diameter disk 1B is clamped to the turntable 23. For this purpose, as with the clamp for the large-diameter disc 1 A, an insertion detection switch (not shown) is pressed, and the base 21 is moved to the top surface side by the first drive cam 44 and the second drive cam 45, and the small-diameter Disc 1B is clamped. That is, the second switch 48B is turned off, the third switch 48C is turned on, and the control circuit unit is turned off and the third switch 48B is turned off and the third switch 48B is turned off while the center portion is substantially positioned on the turntable 23. Recognizes the ON state of switch 48C. Since the first switch 48A is in the OFF state, the control circuit unit determines that the small-diameter disk 1B has been inserted, and drives the transport motor 31 to drive the first drive cam 44 and the second drive as described above. Move cam 45.

[0064] By moving the second drive cam 45 toward the left wall 10B, the slide stock 424 moves toward the left wall 10B as in the case of clamping the large diameter disc 1A, and the small diameter of the slide stopper 424 is reduced. The arm restricting pin 414A of the 8cm arm 414 is engaged with the escape groove 424G2, and the 8cm arm 414 is moved to the rear surface 10D side, and the guide lever 411 is moved to the left wall 10B side. As a result, as shown in FIG. 11, a clearance having a predetermined dimension is provided between the guide lever 411 and the small-diameter disk 1B. The arm control protrusion 432D of the eject arm 432 abuts on the side edge of the 8 cm arm 414 and restricts the rotation of the 8 cm arm 414. As a result, the guide lever 411 is provided with a clearance of a predetermined dimension between the small-diameter disk 1B. Movement is restricted at Further, by the movement of the slide stopper 424, the eject restricting pin 431A of the assist arm 431 is engaged with the small diameter disc eject restricting groove 424F2. Accordingly, as shown in FIG. 11, the movement of the abutting portion 432C of the eject arm 432 is restricted in a state where a clearance of a predetermined dimension is provided between the ejecting arm 432 and the small-diameter disc 1B. Further, when the second drive cam 45 moves to the left wall 10B side, the clamp detection switch 47 is turned on as in the case of clamping the large-diameter disk 1A. The control circuit section recognizes the OFF state of the arm position detection switch 46 and the ON state of the clamp detection switch 47, and detects that the small-diameter disk 1B has been clamped.

Thereafter, when the operator presses the eject button, for example, the disk device 100 causes the small-diameter disk 1 B to be turned on and off by the on / off state of the arm position detection switch 46 and the clamp detection switch 47 in the control circuit unit. Since it is determined that the disk is clamped, the discharge process of the small-diameter disk 1B is started immediately.

[Operational effects of the disk device]

As described above, in the above-described embodiment, the slit-shaped slot 11 through which the large-diameter disk 1A and the small-diameter disk 1B having different diameters are formed in the apparatus main body 10 and the slit-shaped slot 11 are disposed in the apparatus main body 10. The disc guide mechanism 41 that can move back and forth in a direction intersecting the transport path of the optical disc 1 and guides it in contact with the periphery of the optical disc between the turntable 23 that rotatably holds the optical disc 1 and the transport path. Through the slot 11 from the slot 11 while guiding the optical disc 1 with the disc guide mechanism 41 by contacting the peripheral edge of the optical disc 1 and being able to advance and retreat in the direction crossing the transport path. Load arm 421 to be pushed into 23, abutting on the periphery of optical disc 1 which can be moved forward and backward in the transport path and inserted from slot 11 and pushed by load arm 421 The ejector arm 432 that feeds the optical disk 1 to the slot 11 by moving backward with respect to the transport path and feeding the optical disk 1 to the slot 11, and the optical disk inserted from the slot 11 into the transport means 30 that holds and transports the optical disk 1. 1 is arranged in the apparatus main body 10 so as to be movable in accordance with the moving state of the load arm 421 that is moved in accordance with the diameter dimension of 1 and at least one of the disk guide mechanism 41 and the eject arm 432, specifically The disc guide mechanism 41 and the eject arm 432 can be moved optically according to the moving state. A slide stock 424 that restricts the diameter of the disc 1 is provided. For this reason, a disk guide mechanism corresponding to the diameter dimension of the optical disk 1 to be inserted without having a complicated configuration such as detecting the diameter dimension of the optical disk 1 inserted from the slot 11 by providing a plurality of sensors. 41, load arm 421, and eject arm 432 are mechanically obtained in three locations, and optical disc 1 enters between the positions where disc guide mechanism 41, load arm 421, and eject arm 432 are in contact. Therefore, the center of the optical disk 1 can be appropriately transported in a state where it is located on the turntable 23.

[0067] At least one of the disc guide mechanism 41 and the eject arm 432 is provided with a first locking portion. Specifically, the disc guide mechanism 41 is provided with an arm regulating pin 414A, and the eject arm 432 An eject restricting pin 431 A is provided on the assist arm 431 that is connected to the rotating arm and is synchronized in rotation. Furthermore, the slide stopper 424 has its first locking portion engaged and disengaged according to the amount of movement of the eject arm 432 in contact with the optical disk 1 inserted through the slot 11 and having a different diameter, and the disk guide mechanism 41 and The first engaging portion that switches the movement restriction state of at least one of the ejector arms 432, specifically, the restriction stopper 424C in which the arm restriction pin 414A is engaged / disengaged according to the diameter of the optical disc 1 to be held And an eject restricting window 424F for engaging and disengaging the eject restricting pin 431A. For this reason, it is possible to easily obtain an appropriate holding mechanically corresponding to the diameter of the optical disc 1.

[0068] In addition, the ejection restriction window 4 24F of the slide stopper 424 with which the ejection restriction pin 431A is engaged and disengaged has a plurality of ejection restriction grooves 424F1 for large diameter discs and ejection restriction grooves 424F2 for small diameter discs. Eject restriction pin 431A that moves according to the amount of movement of 432 is moved to slide ejector 424. They are engaged and disengaged according to the dimensions. For this reason, it is possible to easily obtain a configuration in which the optical disk 1 is appropriately held corresponding to the diameter of the optical disk 1.

[0069] Further, as the eject restricting window 424F in the slide stopper 424 that slides, the eject restricting groove 424F1 for the large diameter disc and the eject restrict restricting groove 424F2 for the small diameter disc in a concave groove shape in a direction substantially along the moving direction of the slide movement. For these large diameter discs The end of the slide stopper 424 opposite to the movement direction of the slide stopper 424 in the eject restriction groove 424F1 and the small diameter disk ejection restriction groove 424F2 slides according to the movement locus of the pin-like eject restriction pin 431A. The moving groove 424F 3 is configured to communicate with each other, that is, substantially F-shaped. For this reason, it is possible to easily obtain a configuration in which the optical disk 1 is appropriately held corresponding to the diameter of the optical disk 1.

[0070] Then, the eject arm 432 is rotatably disposed so that the end of the optical disk 1 that contacts the periphery of the optical disk 1 can be moved back and forth in the transport path, and is coaxial with the rotation center serving as the rotation axis of the eject arm 432. Is provided with a gear portion 432A, and an assist arm 431 having a gear 431B meshing with the gear portion 432A is provided. For this reason, since the movement amount of the eject arm 432 for holding the optical disk 1 for transporting and feeding it to the slot 11 is relatively large, the assist arm 431 relatively reduces the rotation amount so that the assist arm 432 By disposing the eject restriction pin 431A on the 431, disposing the eject restriction pin 431A on the eject arm 432 can prevent inconvenience such as an increase in size due to an increase in the amount of movement of the eject restriction pin 431A. 100 miniaturization can be easily obtained.

[0071] Further, the slide stock 424 has an arm regulating pin of the disc guide mechanism 41 according to the amount of movement of the disc guide mechanism 41 in contact with the optical disc 1 inserted through the slot 11 and having a different diameter. A restricting stopper 424C for switching the state of restricting movement of the disc guide mechanism 41 is provided. For this reason, it is possible to easily obtain appropriate holding mechanically corresponding to the diameter of the optical disc 1.

[0072] Further, as a restricting stopper 424C in the slide stopper 424 that slides, a pin-like arm restricting pin 414A that moves by the movement of the disk guide mechanism 41 moves in the arm restricting groove 413A that becomes a moving path, and is in the form of a tongue piece. The arm restricting pin 414A comes into contact with the arm restricting groove 413A so as to appropriately restrict the movement of the disc guide mechanism 41. For this reason, appropriate holding of the three positions by the disk guide mechanism 41, the load arm 421, and the eject arm 432 is mechanically obtained, and the center of the optical disk 1 can be appropriately transported to a position on the turntable 23.

[0073] Then, the base ends of both sides of the projecting direction of the regulating stock 424C are inclined in the same direction in the direction intersecting the moving direction of the slide stock 424, and the slide stock 424 Movement of the arm restricting pin 414A and the disk guide mechanism 41 and the ejector arm 432 are moved away from the periphery of the optical disk 1 held by the turntable 23. A clearance groove 424G2 is provided. Specifically, a large-diameter disk relief 424G1 that inclines in a stepwise direction away from the turntable 23 and a concave-groove small-diameter disk escape groove 424G2 in which one edge inclines in a direction away from the turntable 23 are provided. ing. For this reason, it is possible to obtain a state in which the transport means 30 that transports the optical disk 1 is separated for information processing of the optical disk 1 with a simple configuration, and to use a configuration for appropriately transporting, Further simplification of the configuration can be obtained, and miniaturization can be easily obtained.

Further, the engagement protrusion 423C is provided on the link arm 423 that is connected to the load arm 421 and that rotates in synchronization. Further, the slide stopper 424 is engaged with and disengaged from the slide stopper 424 by the engagement protrusion 423C depending on the amount of movement of the eject arm 432 in contact with the optical disk 1 of different diameters inserted from the slot 11. Is moved as appropriate to form a third engagement recess 424B that releases at least one of the disc guide mechanism 41 and the eject arm 432, specifically, the restricted state of movement of both. For this reason, the disc guide mechanism 41, the load arm 421, and the eject arm 432 can mechanically obtain appropriate holding at three locations, and the optical disc 1 can be transported appropriately in a state where the center is located on the turntable 23. Is easily obtained.

[0075] Further, as the third engagement recess 424B of the slide stock 424 that slides, the slide stock bar 424 is moved when engaged with each other, specifically, with respect to the transport direction of the optical disc 1. An inclined contact portion 424A, which is an inclined edge that is inclined, is provided. Therefore, it is possible to easily move the slide stopper 424 as appropriate with a simple configuration.

[0076] Then, the conveyance motor 31, the first switch 48A that is turned on / off in response to the movement of the slide stopper 424, the control circuit unit that drives the conveyance motor 31 by turning on / off the first switch 48A, and the slide stopper The first drive cam 44 that engages 424 and moves by driving the conveyance motor 31 to move the slide Stno 424, and advances or retracts the turntable 23 on the conveyance path to hold or release the optical disc 1. A second drive cam 45. For this reason, the turntable 2 is placed in a state where the conveyed optical disk 1 is held. The operation for moving 3 on the transport path or releasing the holding of the optical disc 1 and retracting the turntable 23 so that it can be unloaded can be easily obtained with a simple switch configuration. Further, since the moving state of the assist arm 431 connected to the slide stopper 424 for transport and the ejector arm 432 is detected by the switch configuration, the configuration can be further simplified.

[0077] In addition, the guide lever 411 that guides the optical disc 1 in a state of being clamped by the turntable 23 while being in sliding contact with the peripheral edge of the optical disc 1, and the optical disc 1 clamped by the turntable 23 to the disc apparatus 100 8 cm arm 414 for energizing in the direction of discharging from 10 is provided. Further, an arm position detection switch 46 for detecting the stop position of the 8 cm arm 414 when the optical disk 1 is clamped by the turntable 23 is provided. For this reason, the diameter of the optical disk 1 clamped on the turntable 23 can be determined only by recognizing the stop position of the 8 cm arm 414 with a simple configuration detected by the arm position detection switch 46. Therefore, it is possible to determine the diameter size of the optical disc 1 with a simple configuration as compared with the conventional configuration in which the diameter size is determined by controlling the operation of a plurality of configurations such as a spindle motor and a timer.

Furthermore, as the arm position detection switch 46, a configuration including a switch base 46A and an advance / retreat member 46B provided on the switch base 46A so as to be able to advance and retract is applied. The 8 cm arm 414 is provided with a contact member 414E that pushes the advancing / retracting member 46B to turn it on when it is positioned at the stop position when the large-diameter disk 1A force S is clamped. Therefore, the diameter of the optical disk 1 can be determined with a simple configuration that only recognizes the on / off state of the arm position detection switch 46.

[0079] Further, an 8cm arm 414 is provided so as to be rotatable about a rotation shaft 414D. A contact member 414E is provided in the vicinity of the rotation shaft 414D. For this reason, for example, when the 8 cm arm 414 is deformed due to environmental changes or radial changes, the contact member 414E is separated from the rotation shaft 414D in comparison with the configuration in which the rotation shaft 414D force on the 8 cm arm 414 is also provided at a separated position. The amount of displacement up to the distance can be minimized. That is, the amount of change in the contact state between the contact member 414E and the advance / retreat member 46B can be minimized. Therefore, the diameter dimension discrimination process can be performed with high accuracy. Then, as in the above embodiment, the arm position detection switch 46, the guide lever 411, and the 8 cm arm 414 are provided on the disk device 100 including the information processing unit 24 that processes information on the turntable 23 and the optical disk 1. By providing the disk device 100, the diameter of the optical disk 1 can be determined with a simple configuration.

Further, the disk device 100 is provided with a clamp detection switch 47 for detecting whether or not the optical disk 1 is clamped. Therefore, when the eject button is pressed while the optical disk 1 is clamped, the diameter dimension of the optical disk 1 is determined based on the on / off state of the arm position detection switch 46, and each state corresponding to the diameter dimension is determined. The movement of the member can be controlled immediately. Therefore, even if the user switches the optical disk 1 immediately after switching the power off and on, for example, the diameter dimension of the optical disk 1 based on the on / off state of the arm position detection switch 46 immediately after the power is turned on. And the discharge operation corresponding to the diameter can be started immediately.

[Modification of Embodiment]

The present invention is not limited to the above-described embodiment, but includes the following modifications as long as the object of the present invention can be achieved.

That is, the disk device 100 that performs the reading process and the recording process is illustrated, but the present invention can be applied to the disk device 100 that performs only the reading process or only the recording process. In addition to the force optical disk described as an example of the optical disk 1, the present invention can be applied not only to a digital processing structure such as a magnetic disk or a magneto-optical disk but also to analog processing such as a record board. Furthermore, the force exemplified by two types of optical discs 1 of 12 cm and 8 cm 1 is not limited to these optical discs 1, and is configured to carry other types of optical discs 1, and more than three types of disc-shaped recording media having different diameters. Moh.

[0084] Then, it is applied to the configuration in which the movement is restricted by only one of the forces illustrated as an example of the movement restriction of the disk guide mechanism 41 and the ejector arm 432 by engaging / disengaging at the slide stopper 424, and the other movement restriction is applied to the other structure. May be implemented. In addition, although the configuration in which the slide stopper 424 is slid and moved is exemplified, any moving form such as rotational movement can be used.

[0085] Further, the slide stopper 424 and the link arm 423 coupled to the load arm and synchronized with each other are engaged and disengaged to switch the movement restriction state of the slide stopper 424, and the disk guide mechanism The force described by switching the movement restricting state of 41 and the eject arm 432 Not limited to this configuration, the movement of the disc guide mechanism 41 and the eject arm 432 can be appropriately restricted by a deviation method.

[0086] Although the configuration for determining the diameter dimension inserted by the first switch 48A, the second switch 48B, and the third switch 48C is provided, this configuration may not be provided. In addition, various configurations such as an optical sensor and a magnetic sensor can be applied to these switch mechanisms. Sarasako showed an example in which the arm position detection switch 46 is provided at a position where the stop position of the 8 cm arm 414 when the large-diameter disk 1A is clamped can be detected. The guide lever 411, the disk guide 412, the push arm 416, the load arm 421, the link arm 423, the assist arm 431, and the eject arm 432 may be configured so that the stop positions can be detected. Furthermore, it is good also as a structure provided in the position which can detect the stop position of each member mentioned above when the small diameter disc 1B is clamped. Further, the arm position detection switch 46 may not be provided.

Furthermore, the clamp detection switch 47 may be provided at a position where it is turned on / off by the slide stopper 424 when the optical disc 1 is inserted. Various configurations can be applied to the clamp detection switch 47, and it is not necessary to provide it.

[0088] In addition, the specific structure for carrying out the present invention can be appropriately changed to another structure or the like as long as the object of the present invention can be achieved.

[Effect of the embodiment]

As described above, in the above-described embodiment, the slit-shaped slot 11 through which the large-diameter disk 1A and the small-diameter disk 1B having different diameters are formed in the apparatus main body 10 and the slit-shaped slot 11 are disposed in the apparatus main body 10. The disc guide mechanism 41 that can move back and forth in a direction intersecting the transport path of the optical disc 1 and guides it in contact with the periphery of the optical disc between the turntable 23 that rotatably holds the optical disc 1 and the transport path. Through the slot 11 from the slot 11 while guiding the optical disc 1 with the disc guide mechanism 41 by contacting the peripheral edge of the optical disc 1 and being able to advance and retreat in the direction crossing the transport path. Load arm 421 to be pushed into 23 and abutting on the periphery of the optical disc 1 and being able to advance and retreat in the transport path, being inserted from the slot 11 and pushed in by the load arm 421 That the optical disc 1 The ejecting arm 432 that feeds the optical disk 1 to the slot 11 by moving backward into the transport path by contacting the peripheral edge of the transport path and holding the optical disk 1 in the slot 11 The load arm 421 is moved in accordance with the diameter of the optical disk 1 inserted in the apparatus. The load arm 421 is arranged in the apparatus main body 10 so as to be movable according to the movement state of the disk. At least one of the disk guide mechanism 41 and the eject arm 432 On the other hand, there is provided a slide stock 424 that can be engaged / disengaged specifically to both, and restricts the movement of the disk guide mechanism 41 and the eject arm 432 according to the diameter of the optical disk 1 according to the moving state. For this reason, the disc guide mechanism 41 and the disc guide mechanism 41 are provided in correspondence with the diameter of the optical disc 1 inserted without a complicated configuration such as detecting the diameter of the optical disc 1 inserted from the slot 11 by providing a plurality of sensors. The load arm 421 and the eject arm 432 can mechanically obtain appropriate holding at three locations, preventing the optical disc 1 from entering between the positions where the disc guide mechanism 41, the load arm 421 and the eject arm 432 abut. The optical disk 1 can be properly transported in a state where the center of the optical disk 1 is located on the turntable 23.

Industrial applicability

The present invention is used in a transport device that transports a recording medium between an opening through which a disk-shaped recording medium having different diameters can be inserted and a turntable that rotatably holds the recording medium, and the disk device. it can.

Claims

The scope of the claims

[1] Provided in a device main body having a slit-shaped opening through which a disk-shaped recording medium having a different diameter can be inserted, and the recording medium inserted in the opening is disposed in the device main body. A conveying device that conveys the recording medium to a position held by a turntable that rotatably holds the recording medium,

It is provided in the apparatus main body so as to be able to advance and retreat in a direction crossing the transport path of the recording medium transported at the position held by the opening and the turntable, and transported through the transport path. A guide member that contacts and guides a peripheral edge of the recording medium; and is provided in the apparatus main body so as to be positioned on the opposite side to the guide member via the transport path and to advance and retreat in a direction intersecting the transport path. A carrying-in member that abuts the periphery of the recording medium and feeds the recording medium from the opening to a position held by the turntable while being guided by the guide member;

It is provided in the apparatus main body so as to be able to advance and retreat in the transport path, and comes into contact with the peripheral edge of the recording medium inserted from the opening and fed by the carry-in member, and moves backward to the transport path. A carry-out member that feeds the recording medium to the opening by advancing;

It is movable according to the moving state of the carrying-in member moved corresponding to the diameter of the recording medium inserted from the opening, and is engaged / disengaged with at least one of the guide member and the carrying-out member. It is disposed in the apparatus main body so that it can be engaged with and / or disengaged from at least one of the guide member and the carry-out member according to the movement state, and the movement of at least one of the guide member and the carry-out member can be performed. A stagger portion that regulates according to the diameter of the recording medium,

A conveying apparatus characterized by comprising:

[2] The transfer device according to claim 1,

At least one of the guide member and the carry-out member has a first locking portion,

The staggered portion is a first engagement member that engages and disengages the first engagement portion according to the amount of movement of the unloading member in contact with the recording medium having a different diameter size inserted from the opening. And a switching state of the movement of at least one of the guide member and the carry-out member according to the engagement / disengagement state of the first engagement portion.

A conveying device characterized by that.

[3] The transfer device according to claim 2,

The first locking portion is provided on the carry-out member,

The staggered portion is provided with a plurality of first engaging portions so that the first engaging portions can be engaged and disengaged according to the diameter of the recording medium, and the first engaging portion moves according to the amount of movement of the carry-out member. The stop portion is engaged with the predetermined first engaging portion by the movement of the stopper portion, and the movement of the carry-out member is restricted according to the diameter of the recording medium.

A conveying device characterized by that.

[4] The transfer device according to claim 3,

The stagger portion is arranged to be slidable in one direction,

The first locking portion is provided in a pin shape,

The first engaging portion is formed in a groove shape in a direction substantially along the moving direction of the stagger portion, and an end portion on the opposite side to the moving direction is moved by the movement of the carry-out member. The first locking portion is formed in a substantially comb shape that communicates with a groove-shaped moving portion that slides in accordance with the movement locus.

A conveying device characterized by that.

[5] The transfer device according to claim 4,

The first engagement portion is a groove-shaped restricting portion substantially along the moving direction of the stagger portion, and a groove shape in a direction that is continuous with the restricting portion and intersects the moving direction of the stubber portion, A retracting portion for moving the first locking portion relative to the recording medium by the sliding movement of the stagger portion to move away from the peripheral edge of the recording medium held by the turntable. And had

A conveying device characterized by that.

[6] The transfer apparatus according to any one of claims 2 and 5, wherein:

The carry-out member is rotatably disposed so that an end portion with which the peripheral edge of the recording medium abuts can be moved forward and backward in the conveyance path, A gear provided integrally with the carry-out member on the same axis as the rotation shaft of the carry-out member, and an arm member engaged with the gear and rotated by the rotation of the gear;

The first locking portion is provided integrally with the arm member.

A conveying device characterized by that.

[7] The transfer apparatus according to any one of claims 2 and 6, wherein:

An electric motor, a switch that is turned on / off in response to engagement / disengagement of the first locking portion and the first engagement portion, a drive control portion that drives the electric motor by turning on / off the switch, and an engagement with the strobe portion And a cam that moves by moving the strobe portion by driving of the electric motor and moves the turntable back and forth on the transport path.

[8] The transfer device according to claim 1,

At least one of the guide member and the carry-out member has a second locking portion,

The stagger portion is a second engagement in which the second locking portion is engaged and disengaged according to the amount of movement of the guide member in contact with the recording medium having a different diameter size inserted from the opening. A switching state of the movement of at least one of the guide member and the carry-out member according to the engagement / disengagement state of the second engagement portion.

A conveying device characterized by that.

[9] The transfer device according to claim 8,

The second locking portion is provided in a pin shape on the guide member,

The stagger portion is arranged to be slidable in one direction,

The second engaging portion protrudes in a tongue-like shape from the strobe portion so as to be able to advance and retreat on the movement path of the second locking portion that moves by the movement of the guide member, and the second engagement portion moves along the movement of the guide member. The movement of the guide member is regulated by abutting the second engaging portion advancing on the moving path with the second engaging portion.

A conveying device characterized by that.

[10] The transfer device according to claim 9,

The stopper portion is provided at the base end portions on both sides in the protruding direction of the second engaging portion. The guide member that inclines in the same direction in the direction crossing the moving direction of the pad portion, and the second locking portion is engaged by the movement of the strobe portion and the guide member that contacts the recording medium is attached to the turntable. There was a relief part that moved away from the periphery of the held recording medium

A conveying device characterized by that.

[11] The transfer device according to any one of claims 8 to 10,

An electric motor, a switch that is turned on / off in response to engagement / disengagement of the second locking portion and the second engagement portion, a drive control portion that drives the electric motor by turning on / off the switch, and an engagement with the strobe portion And a cam that moves by moving the strobe portion by driving of the electric motor and moves the turntable back and forth on the transport path.

[12] The transfer device according to claim 1 or claim 11, wherein

The carry-in member has a third locking portion,

The staggered portion is a third engagement in which the third locking portion is engaged or disengaged according to the amount of movement of the carry-out member brought into contact with the recording medium having a different diameter size inserted from the opening. And the third engaging portion is appropriately moved by being engaged with the third engaging portion to thereby restrict the movement state of at least one of the guide member and the carry-out member. To release

A conveying device characterized by that.

[13] The transfer device according to claim 12,

The stagger portion is arranged to be slidable in one direction,

At least one of the third locking portion and the third engagement portion has an inclined edge that slides and slides the stagger portion when engaged with each other.

A conveying device characterized by that.

[14] The transfer device according to claim 12 or claim 13,

An electric motor, a switch that is turned on / off in response to the movement of the stopper portion, a drive control unit that drives the electric motor by the on / off of the switch, and that is engaged with the stubber portion and moved by driving of the electric motor to move the stubber portion And move the turntable And a cam for advancing and retreating on the feeding path.

A conveying device characterized by that.

An apparatus main body having a slit-shaped opening through which a disk-shaped recording medium having different diameters can be inserted;

A turntable disposed in the apparatus main body for rotatably holding the recording medium, a recording process for recording information on the recording medium disposed in the apparatus main body and held by the turntable, and the recording medium An information processing unit that performs at least one of reading processing for reading information recorded in

The transfer device according to any one of claims 1 to 14, which is disposed in the device main body,

A disk apparatus comprising: