JPH04360057A - Disk player device - Google Patents

Abstract

PURPOSE:To provide a clamper transfer mechanism stabilizing the operation and having a simple constitution regarding a disk player device such as a compact disk. CONSTITUTION:The transfer mechanism of a clamper 30 clamping a disk is provided. After the clamper 30 is transferred to a turntable, the clamper 30 and the transfer mechanism are held in an non-contact state. After the reproduction of the disk is terminated, the clamper 30 is removed from the turntable and transferred to a prescribed position by using the transfer mechanism again.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention is a compact disc (
The present invention relates to a disc player device which holds a disc such as a CD between a turntable and a clamper and plays the disc while rotating the turntable.

0002

[Prior Art] A conventional disc player apparatus presses a clamper rotatably supported by a clamp arm toward the turntable, clamps the disc between the turntable and the clamper, and rotates the turntable. The disk was rotated and an optical pickup read data from the disk.

0003

[Problems to be Solved by the Invention] However, in the conventional disc player device, the rotating clamper and the clamp arm are mechanically coupled during disc playback, so vibrations of the optical pickup during focus servo operation, etc. is transmitted to the disk via the substrate, clamp arm, and clamper, causing the disk to vibrate, and a vibration loop is formed in which the focus servo operation is performed in response to the vibration of the disk, resulting in an oscillation state, and the focus servo is not activated. There was a problem that disappeared.

The present invention solves the above-mentioned conventional problems, and provides a disk player device that can prevent focus servo from being disabled due to the vibration operation of an optical pickup.

Another object of the present invention is to provide a disc player device with a simple structure that can stably clamp a disc even when vibrations are applied from the outside.

[0006]

[Means for Solving the Problems] In order to achieve the above object, the first invention provides a clamper transporting means for transporting a clamper, and a disc that attracts the transported clamper with a magnetic attraction force. The present invention is characterized in that it includes a turntable for holding the clamper, and after the clamper is transferred to the turntable, the clamper transfer means is separated from the clamper so that they are not in contact with each other.

[0007] A second invention includes a sliding means slidably supported by the base plate, and a rotating means that rotates in response to the sliding movement of the sliding means and moves away from and approaches the base plate. , a pair of clamping arm means held by the rotating means so as to be able to close and open the legs, and clamping and releasing the clamper, and an opening/closing control that closes and opens the clamping arm means in accordance with the sliding operation of the sliding means. The invention is characterized by comprising means.

A third invention provides a clamper for placing a disk, a clamper transfer means for transferring the clamper, a turntable for attracting the transferred clamper with a magnetic attraction force and clamping the disk, and a clamper for transferring the clamper. and pressing means for pressing the disk against the clamper during the process of transporting the clamper to the turntable by the transporting means, and separating the clamper transporting means from the clamper after transporting the clamper to the turntable. This is characterized in that the pressing means and the disk are not in contact with each other.

[0009] A fourth invention includes a pin that is inserted into a hole formed in the center of the clamper and holds the clamper;
The clamper is provided with a clamper transfer means for transferring the clamper, and a turntable that attracts the transferred clamper with magnetic attraction force and clamps the disk, and after the clamper is removed from the turntable, the pin is inserted into the hole of the clamper. It is characterized by the insertion of.

0010

[Operation] In the first aspect of the present invention, when the clamper is transferred to the turntable by the clamper transfer means, the clamper is magnetically attracted by the turntable.
This magnetic attraction force holds the disc between the turntable and the clamper. In this disc clamping state, the clamper transfer means is separated from the clamper and is in a non-contact state, and the magnetic attraction force of the turntable attracts only the clamper to clamp the disc, and in this state, a disc reproducing operation is performed. After the playback operation is completed, the clamper is removed from the turntable again by the clamper transfer means.

In the second invention, when the sliding plate slides, the opening/closing control means held by the rotating means rotates, and the pair of clamping arm means closes or opens its legs to clamp or release the clamper. Also, since the rotating means rotates in accordance with the sliding operation of the sliding plate, the pair of clamping arm means held by the rotating plate moves up or down to transfer the clamper.

In the third invention, in the process of transferring the clamper with the disk mounted thereon by the clamper transfer means, the pressing piece presses the disk on the clamper to prevent the disk from falling off, and the disk is transferred to the turntable. After this, the pressure on the disc by the pressing piece is released and the disc is in a non-contact state.

[0013] In the fourth invention, after the clamper is removed from the turntable, the pin is inserted into the hole of the clamper, so that the clamper is securely held and the disc placed on the clamper is not inserted into the tray. It is stored in a predetermined position.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the external appearance of a disc changer device equipped with a disc player device for compact discs according to an embodiment of the present invention. In Figure 1,
Reference numeral 1 denotes a box-shaped housing, and a magazine insertion opening is formed on the left side of the front face 2 of this housing 1. A sliding lid 3 is supported on the front surface 2 of the housing 1 so as to be slidable left and right, and this sliding lid 3 opens and closes the magazine insertion slot. FIG. 1 shows a state in which the sliding lid 3 is slid to the left side of the front section 2 to close the magazine insertion opening.

FIGS. 2 and 3 show a magazine that stores a plurality of CDs. In FIGS. 2 and 3, 4 is a box-shaped magazine body, and 5 is an opening formed on one side of the magazine body 4. A plurality of guide pieces 7 for guiding the tray 6 are formed in parallel on the inner wall surface of the magazine body 4. A recess 8 for storing a CD is formed on the upper surface of the tray 6, and a hole 9 is formed in the center of the recess 8. Reference numeral 10 denotes a locking piece formed on the front edge of the tray 6, and the claw of the tray pull-out mechanism is locked to this locking piece 10 to pull out the tray 6 from inside the magazine body 4, or to pull out the tray 6 from the magazine body 4. It is stored in the main body 4. 11
is a notch formed in the magazine body 4. In FIG. 1, the sliding lid 3 is slid to the right to open the magazine insertion port, and the magazine shown in FIG. 2 is inserted into the magazine insertion port. On the left side of the housing 1 shown in Figure 1, there is a
The magazine shown in is stored, but on the right side inside the case 1,
It accommodates a tray pull-out mechanism that moves up and down, a turntable that rotates the CD, a clamp mechanism that clamps the CD to the turntable, an optical pickup that reads data recorded on the CD, and the like.

In this embodiment, a clamper transport mechanism is provided for transporting the clamper toward the turntable, and
The turntable and the clamper are configured to be attracted by magnetic attraction force, and the clamper and the clamper transfer mechanism are separated from each other when playing a CD, so that vibrations are not transmitted to the clamper via the clamper transfer mechanism.

The clamper transfer mechanism of this embodiment will be explained below with reference to FIGS. 4 to 6. 4 to 6, reference numeral 12 denotes an elevating plate that moves up and down within the housing 1, and this elevating plate 12 is provided with a tray pull-out mechanism (not shown) for drawing out a tray from the magazine. A gear 13 is rotatably supported by the elevating plate 12, and an eccentric pin 14 is formed at an eccentric position on the upper surface of the gear 13. 15 is a gear train that transmits the rotational driving force of a motor (not shown) to the gear 13. The rotational driving force of the motor is transmitted to the gear 13 via the gear train 15, and the gear 13 rotates counterclockwise. . Reference numeral 16 denotes a rotating arm in which a long hole 17 into which the eccentric pin 14 is inserted is formed, and this rotating arm 16 is rotatably supported by a shaft 18 provided on the elevating plate 12. 19 is a pin implanted at one end of the rotating arm 16. 20 is slidable on the elevating plate 12 (arrow
This is a sliding plate that is supported so as to be able to slide freely in the direction (direction), and a pin implanted on the lower surface of the sliding plate 20 is inserted into a linear elongated hole (not shown) formed in the elevating plate 12. Since the pins on the lower surface of the sliding plate 20 are guided by the elongated holes of the elevating plate 12, the sliding plate 20 slides on the elevating plate 12 in the direction of arrow X. A pin 19 of the rotating arm 16 is inserted into a long hole 21 formed in the sliding plate 20, and the rotating arm 16 and the sliding plate 20 are connected via this pin 19. Reference numeral 22 denotes a triangular drive piece integrally formed at the edge of the sliding plate 20, and this drive piece 22 projects upward. 23 is a pin implanted in one end of the sliding plate 20, and 24 is a regulating piece formed by cutting and raising a part of the sliding plate 20 in FIG. Reference numeral 25 denotes a rotating base plate, and bent pieces 25a, 25b bent upward are formed on both sides of this rotating base plate 25, and shafts 26a, 26b are installed in these bent pieces 25a, 25b. has been done. 27a, 27b are support pieces formed by cutting and raising a part of the elevating plate 12, and these support pieces 27a, 27b
The shafts 26a of the bent pieces 25a, 25b are inserted into the holes formed in the holes.
, 26b are inserted. The rotating board 25 is supported by the supporting pieces 27a and 27b and is rotatable. The rotating base plate 25 is urged in a direction toward the elevating plate 12 by a spring (not shown). Reference numerals 28a and 28b are holding arms that are rotatably supported on the upper surface of the rotating board 25 by shafts 29a and 29b.
Arc-shaped clamping parts 31a and 31b are formed at the tip of the clamper 8b, and clamping arms 28a and 31b are formed to clamp the clamper 30.
A long hole 32 is formed in the protrusion at the other end of 28b. Reference numeral 33 denotes an arm that is rotatably supported on the rotary base plate 25 by a shaft 34, and a pin 3 is attached to one end of this arm 33.
5 is implanted, and this pin 35 connects each clamping arm 28a, 2
It is inserted into a long hole 32 formed in 8b. 36 is a bent elongated hole formed in the arm 33, and this bent elongated hole 3
6 has a pin 23 implanted in the sliding plate 20 inserted therein. Reference numeral 37 denotes a spring whose end portion is locked to the clamping arms 28a, 28b, respectively, and the clamping arms 28a, 28b are urged in a direction toward each other by this spring 37.

FIG. 7 shows the clamper 30. Figure 7
, 38 is an annular plate made of a metal plate, 39 is a cylindrical body fixed at the center of the annular plate 38, and this cylindrical body 39
A protrusion 40 is formed at the center of the upper surface. 41 is a hole formed in the center of the projection 40, and an annular metal plate 42 is fixed to the edge of the hole 41. A collar 43 is formed on the lower end surface of the cylindrical body 39. 44,45
is a rubber ring fixed to the upper surface of the annular plate 38. The clamper transfer mechanism shown in FIGS. 4 to 6 includes a cylindrical body 3 between an annular plate 38 and a collar 43 of a clamper 30 shown in FIG.
9 is the clamping part 31a of the pair of clamping arms 28a, 28b,
This is a mechanism for raising or lowering (raising or lowering with respect to the plane of the paper in FIGS. 4 and 5) by holding it between 31b and 31b.

FIG. 8 shows a disc player portion fixed to the upper right side inside the housing 1 of the disc changer device shown in FIG. This disc player section is comprised of a chassis 46 fixed within the housing 1, and a pickup unit 49 held on the chassis 46 by a plurality of dampers 47 and springs 48. 50 is a board of the pickup unit 49, and a motor 51 for rotationally driving the CD is fixed to this board 50. 52 is a turntable fixed to the rotating shaft of the motor 51, a protrusion 53 is formed in the center of the turntable 52, and a ring-shaped magnet 54 is fixed in the recess in the center of the turntable 52. There is. 55 is a guide shaft fixed parallel to the substrate 50, and an optical pickup 56 is slidably supported on this guide shaft 55. 57 is a motor for moving the optical pickup 56 along the guide shaft 55, and the rotational driving force of this motor 57 causes the optical pickup 56 to move in the radial direction of the turntable 52. Reference numeral 58 denotes a rotating member rotatably supported by a shaft 59 on the side of the substrate 50, and this rotating member 58 has a pressing piece 60 made of a plate spring as shown in FIGS. 9 and 10.
a and 60b are fixed. 61a and 61b are rollers rotatably supported at the tips of the pressing pieces 60a and 60b. Reference numeral 62 denotes an arm integrally formed with the rotating member 58, and a cam surface 63 is formed at the tip of this arm 62. The rotating member 58 is biased by a spring (not shown) counterclockwise in FIG.

In FIG. 8, reference numeral 64 denotes a sliding member that is slidably supported on the side plate of the chassis 46, and this sliding member 64 includes the sliding plate 20 of the clamper transfer mechanism shown in FIGS. 4 to 6. A recess 65 is formed in which the protruding piece 20a engages. 66 is a protrusion formed integrally with the sliding member 64;
A long hole 67 is formed in this protrusion 66 . Reference numeral 68 denotes a rotating arm rotatably supported on the chassis 46 by a shaft 69, and a pin 70 implanted in the rotating arm 68.
is inserted into the elongated hole 67 of the sliding member 64, and the sliding member 64 and the rotating arm 68 are connected via the pin 70, and when the sliding member 64 slides, the rotating arm 68 rotates around the shaft 69. Rotate to. Reference numeral 71 denotes a rotating arm rotatably supported on the chassis 46 by a shaft 72;
A pin 74 implanted in the rotary arm 68 is inserted into a long hole 73 formed in the rotary arm 68, and the rotary arm 68 and the rotary arm 71 are connected via this pin 74.
8 rotates, the rotating arm 71 also rotates. A slider 75 is slidably supported by the chassis 46, and a pin 76 implanted in the slider 75 is inserted into an elongated hole 77 formed in the rotating arm 71.
The rotary arm 71 and the slider 75 are connected via the rotary arm 71, and when the rotary arm 71 rotates, the slider 75 slides. Reference numeral 78 denotes a drive pin implanted in the bent portion at the tip of the slider 75, and this drive pin 78 comes into contact with the cam surface 63 of the arm 62 shown in FIGS. 9 and 10.

In FIG. 8, when the sliding member 64 slides, the rotating arms 68 and 71 rotate, and the slider 75 slides. When the slider 75 slides, the cam surface 63 shown in FIGS. 9 and 10 is driven by the drive pin 78, the rotating member 58 rotates around the shaft 59, and the pressing pieces 60a, 6
0b rotates. The pressing pieces 60a and 60b are placed on the clamper 30 and are pressed onto the turntable 52 from below.
At the same time as pressing the CD being transferred to
This is to prevent a CD placed on the clamper 30 and transferred up and down from coming off the clamper 30 during transfer.

Next, the operation of the above embodiment will be explained. The tray 6 pulled out from the magazine body 4 shown in FIG. 2 is guided by a tray guide member 79 as shown in FIG. 11 and is supplied between the turntable 52 and the clamper transfer mechanism. FIG. 4 shows the clamper transfer mechanism in a standby state, and in this standby state, the clamper 30 is held between the holding parts 31a and 31b of the holding arms 28a and 28b. As shown in FIG. 11, when the tray 6 is guided by the tray guide member 79 and transferred to a predetermined position, the elevating plate 12 is raised to a predetermined position, and the protruding piece 20a of the sliding plate 20 of the clamper transfer mechanism , recess 65 of sliding member 64
engage with. When current is supplied to the clamper transfer motor (not shown) in this state, the motor rotates, and the rotational driving force of this motor is transmitted to the gear 13 via the gear train 15 shown in FIG. rotates counterclockwise. Since the eccentric pin 14 also rotates as the gear 13 rotates, the rotating arm 16 rotates clockwise about the shaft 18. When the rotating arm 16 rotates clockwise, the sliding plate 20 connected to the free end of the rotating arm 16 with a pin 19 slides to the left. When the sliding plate 20 further slides to the left, the triangular drive piece 22 integrally formed on the sliding plate 20 enters the lower surface of the protrusion 25c of the rotating base plate 25, and the drive piece 22 causes the protrusion to 25c is pushed upwards. Therefore, the rotating plate 25 rotates about the shafts 26a and 26b as fulcrums. Since the clamping arms 28a and 28b are pivotally supported on the rotating plate 25, as the rotating plate 25 rotates, the clamper 30, which is clamped by the clamping parts 31a and 31b of the clamping arms 28a and 28b, is lifted upward. It will be done. In the process of lifting the clamper 30 upward, the protrusion 40 of the clamper 30 lifts the CD 80 placed on the tray 6.
The ring 44 on the annular plate 38 enters the center hole from below,
45 pushes the lower surface of the CD 80, and the CD 80 is lifted above the tray 6 (see FIG. 11). At this time, the pressing pieces 60a and 6 of the rotating member 58 shown in FIGS. 9 and 10
0b rotates clockwise (FIG. 10) and pushes the top surface of the CD placed on the clamper 30. Clamper 3 like this
The CD is transferred upward while being placed on the CD and being pressed by the pressing pieces 60a and 60b. When the clamper 30 is lifted further upward, the hole 41 of the protrusion 40 of the clamper 30 enters the central protrusion 53 of the turntable 52.
Furthermore, a magnet 54 provided on the turntable 52 attracts the annular metal plate 42 of the clamper 30, and this magnetic attraction force causes the CD to be pulled between the turntable 52 and the clamper 30.
It is held between Note that when the CD is held between the turntable 52 and the clamper 30, the pressing pieces 60a,
60b rotates counterclockwise (FIG. 10), and roller 61a
, 61b have returned to positions where they do not come into contact with the CD.

As the sliding plate 20 slides to the left in FIG. 4, the pin 23 implanted in the sliding plate 20 moves to the left inside the bent elongated hole 36 of the arm 33. go. While the driving piece 22 of the sliding plate 20 is moving to the left while contacting the lower surface of the protrusion 25c of the rotating base plate 25, the pin 23 reaches the bent part of the bent elongated hole 36. Therefore, the arm 33 rotates counterclockwise about the shaft 34 due to the pin 23 moving leftward. Since the pin 35 implanted at the tip of the arm 33 is inserted into the elongated hole 32 formed at one end of the clamping arms 28a, 28b, the arm 3
3 rotates counterclockwise, both clamping arms 28a and 28b are driven by pin 35 of arm 33, clamping arm 28a rotates counterclockwise around shaft 29a, and clamping arm 28b rotates counterclockwise around shaft 29b. The clamping parts 31a, 3 of the clamping arms 28a, 28b rotate clockwise around the
1b opens wider than the collar 43 of the clamper 30, and the clamper 30 is released from being held by the holding arms 28a and 28b.

When the sliding plate 20 further slides to the left and the tip of the driving piece 22 begins to come off the lower surface of the protrusion 25c of the rotating base plate 25 to the left, the clamping portions 31a of the clamping arms 28a and 28b , 31b remains open, the rotating base plate 25 rotates around the shafts 26a, 26b so as to approach the elevating plate 12. The clamping arm 30, which has moved upward while clamping the clamper 30 in this manner, attracts the clamper 30 to the turntable 47, and then descends without clamping the clamper 30.

The sliding plate 20 further slides to the left as shown in FIG.
When the position shown in is reached, the switch 81 is driven by the sliding plate 20, and this switching action cuts off the power to the motor and stops the sliding of the sliding plate 20. The state shown in FIG. 5 is the state of the clamper transfer mechanism during CD playback, and the clamping arms 28a, 28b and the clamper 30 are separated and are not in mechanical contact at all. FIG. 12 shows the clamped state of the CD 80 during CD playback.

Next, when the CD has finished playing, the CD is placed in the tray 6.
We will explain the operation to return to . When the motor is energized in the state shown in FIG. 5, the rotational driving force of the motor causes the gear 13 to
rotates counterclockwise, the rotating arm 16 rotates counterclockwise about the shaft 18, and the sliding plate 20 slides to the right. As the sliding plate 20 slides to the right, the driving piece 22
moves to the right, and when this driving piece 22 enters the lower surface of the protrusion 25c of the rotating board 25, the rotating board 25 moves to the right and the shafts 26a, 2
6b as a fulcrum, and the clamping parts 31a and 31b of the clamping arms 28a and 28b rise. While the tip of the drive piece 22 is moving rightward in contact with the lower surface of the protrusion 25c of the rotary base plate 25, the pin 23 moving rightward in the bent elongated hole 36 reaches the bending part of the arm 33
rotates clockwise around the shaft 34. For this reason, the pin 35 implanted in the arm 33 allows the clamping arm 28 to
a, 28b are rotated, the clamping parts 31a, 31b approach each other, and clamp the clamper 30.

When the sliding plate 20 further slides to the right and the driving piece 22 passes rightward from the lower surface of the protrusion 25c of the rotating board 25, the rotating board 25 rotates and clamps the clamper 30. In the state, the clamping parts 31a, 31 of the clamping arms 28a, 28b
b goes down. As a result, the clamper 30 is released from the attractive force of the magnet 49, detaches from the turntable 52, descends with the CD 80 placed thereon, and stores the CD in the recess 8 of the tray 6. At this time, the pressing pieces 60a and 60b rotate clockwise (FIG. 10) to press the top surface of the CD. When the sliding plate 20 further slides to the right and moves to the position shown in FIG. 4, the switch 82 is driven by the free end of the rotating arm 16, and the switching of this switch 82 cuts off the power to the motor and the sliding plate 20 is moved to the position shown in FIG. The movement plate 20 stops sliding to the right. Thereafter, the tray 6 containing the CD is driven by the tray pull-out mechanism and is housed in the magazine body 4.

As described above, in this embodiment, the clamping arm 2
8a and 28b with the clamper 30 sandwiched between them, the clamper 30 is inserted into the hole 9 from the bottom side of the tray 6, and with the CD placed on the clamper 30, the clamper 30 is transferred to the turntable 52, clamper 30
is attracted to the turntable 52 by magnetic attraction force, thereby clamping the CD, and then the clamping arms 28a and 28b are opened and lowered. When the CD playback operation is finished, the clamping arms 28a, 28b are raised with their legs spread apart, and when they reach the clamper 30, the clamping arms 28a, 28b are raised.
b is closed, the clamper 30 is clamped again by the clamping arms 28a and 28b, and removed from the turntable 52, and the clamper 30 is lowered together with the CD. During CD playback, the clamper 30 and the clamper transfer mechanism are not in contact with each other. Since there is no vibration loop in which the vibration of the optical pickup is transmitted to the CD via the clamper transfer mechanism, the oscillation phenomenon that occurs in the conventional example is prevented, and the focus servo can be operated stably. Further, in the above embodiment, the clamping/releasing operation of the clamper 30 and the raising/lowering operation of the clamper 30 can be performed by the sliding operation of the sliding plate 20, thereby simplifying the clamper transfer mechanism. In addition, in this embodiment, the process of transferring the CD from the tray 6 to the turntable 52, and the process of transferring the CD from the tray 6 to the turntable 52,
In the process of transferring the CD from the turntable 52 to the tray 6, the pressing pieces 60a and 60b press the CD to prevent the CD from coming off the clamper 30, so that the CD can be transferred stably.

Note that a hole is formed in the center of the lower surface of the clamper 30 shown in FIG.
The hole forms a pin to be inserted, and the lowered clamper 3
When the clamper 30 is positioned at a predetermined position by inserting the hole 0 into the pin, the accuracy of positioning the CD placed on the clamper 30 and lowered onto the tray 6 is improved. Note that it is preferable that the tip of the pin has a conical shape.

[0030]

[Effects of the Invention] The present invention has the above-mentioned configuration, and the first
According to the invention, during disk playback, the clamper and the clamper transfer means are brought into a non-contact state, thereby eliminating instability in focus servo operation caused by vibrations of the optical pickup being transmitted to the disk via the clamper transfer means. It is possible. Further, according to the second invention, the clamper can be clamped and released and the clamper can be raised and lowered by sliding motion of the sliding plate, and the clamper transfer mechanism can be simplified. . Also the third
According to the invention, since the pressing means presses the disc against the clamper while the disc is being transported by the clamper, the CD transport operation is ensured. According to the fourth invention, the accuracy of positioning the disk onto the tray is improved.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a disc player device in a first embodiment of the present invention.

[Fig. 2] Perspective view of the magazine used in the first embodiment

[Fig. 3] A perspective view of the tray pulled out from the magazine used in the first embodiment.

[Fig. 4] A top view of the clamper transfer mechanism of the first embodiment in a standby state.

[Fig. 5] A top view of the clamper transfer mechanism of the first embodiment in a disc playback state.

[Fig. 6] An exploded perspective view of the clamper transfer mechanism of the first embodiment.

[Fig. 7] Side view of the clamper of the first embodiment

[Fig. 8] An exploded perspective view of the disc player section of the first embodiment.

[Fig. 9] Top view of the pressing piece of the first embodiment.

[Figure 10] First
Side view of the pressing piece of the embodiment

[Fig. 11] Operation explanatory diagram of the first embodiment

FIG. 12 is a side view of the disc playback state of the first embodiment.

[Explanation of symbols]

4 Magazine body 6 Tray 12 Elevating board 14 Eccentric pin 15 Gear train 16 Rotating arm 20 Sliding plate 22 Drive piece 24 Regulation piece 25 Rotating board 28a, 28b clamping arm 30 Clamper 33 Arm 52 Turntable 54 Magnet 56 Optical pickup 60a, 60b Pressing piece 80 Compact disc (CD)

Claims (4)

[Claims] 1. A clamper transfer means for transferring a clamper, and a turntable for attracting the transferred clamper with a magnetic attraction force and clamping a disk, wherein the clamper is transferred after the clamper is transferred to the turntable. A disc player device characterized in that the means is separated from the clamper so as not to be in contact with it. 2. A sliding means slidably supported by the base plate, a rotating means that rotates in response to the sliding movement of the base plate and moves away from and approaches the base plate, and the rotating means A pair of clamping arm means that are held by the means so as to be able to close and open the legs and clamp and release the clamper, and a means that closes and opens the clamping arm means in accordance with the sliding operation of the sliding means. A disc player device. 3. A clamper for mounting a disk, a clamper transfer means for transferring the clamper, a turntable for attracting the transferred clamper with magnetic attraction force and clamping the disk, and a clamper for transferring the disk by means of the clamper transfer means. and a pressing means for pressing the disk against the clamper during the process of transporting the clamper to the turntable, and after transporting the clamper to the turntable, the clamper transporting means is separated from the clamper to achieve non-contact. In addition, the disc player device is characterized in that the pressing means and the disc are not in contact with each other. 4. A pin inserted into a hole formed in the center of the clamper to hold the clamper, a clamper transporting means for transporting the clamper, and a magnetic attraction force to attract the transported clamper to clamp the disk. What is claimed is: 1. A disc player device comprising: a turntable, wherein the pin is inserted into a hole in the clamper after the clamper is removed from the turntable.