JPS645256U - - Google Patents
Info
- Publication number
- JPS645256U JPS645256U JP9991487U JP9991487U JPS645256U JP S645256 U JPS645256 U JP S645256U JP 9991487 U JP9991487 U JP 9991487U JP 9991487 U JP9991487 U JP 9991487U JP S645256 U JPS645256 U JP S645256U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- permanent magnet
- clamp arm
- loading
- spindle cup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図は本考案の一実施例に係わる磁力式クラ
ンプ機構の構成を光デイスク再生装置の関連部分
と共に示す断面図、第２図は従来の機械式クラン
プ機構の構成を示す断面図、第３図は従来の磁力
式クランプ機構の構成を示す概念図である。
１……クランプアーム、２……電磁石、３……
クランパ、４……永久磁石、５……クランパ保持
機構、１１……スピンドルカツプ、１２……セン
タリングハブ、１３……スピンドルモーター、１
４……光デイスク、１５……トレイ。
FIG. 1 is a cross-sectional view showing the configuration of a magnetic clamp mechanism according to an embodiment of the present invention together with related parts of an optical disc playback device, FIG. 2 is a cross-sectional view showing the configuration of a conventional mechanical clamp mechanism, and FIG. The figure is a conceptual diagram showing the configuration of a conventional magnetic clamp mechanism. 1... Clamp arm, 2... Electromagnet, 3...
Clamper, 4... Permanent magnet, 5... Clamper holding mechanism, 11... Spindle cup, 12... Centering hub, 13... Spindle motor, 1
4... Optical disk, 15... Tray.
Claims (1)
搬入し、このスピンドルカツプ上から装置外部に
デイスクを搬出するトレイを備えたデイスク再生
装置において、 前記スピンドルカツプの中心部分の上方に位置
するように固定されるクランプアームと、 前記スピンドルカツプの中心部分において上下
方向に移動可能にかつ中心部分に永久磁石を保持
しつつ前記クランプアームに装着されるクランパ
と、 このクランパの上方において前記クランプアー
ムに固定されると共に、前記トレイによるデイス
クの搬入、排出中は前記永久磁石に対する吸引力
を発生させ、デイスクの搬入後は前記永久磁石に
対する反発力を発生させる電磁石とを備えたこと
を特徴とするデイスク再生装置の磁力式クランプ
機構。[Claims for Utility Model Registration] In a disk playback device equipped with a tray for loading a disk onto a spindle cup from outside the device and carrying the disk out from the spindle cup to the outside of the device, a clamp arm that is fixed in position; a clamper that is movable in the vertical direction at the center of the spindle cup and that is attached to the clamp arm while holding a permanent magnet in the center; An electromagnet is fixed to the clamp arm, and generates an attractive force to the permanent magnet during loading and unloading of the disk by the tray, and generates a repulsive force to the permanent magnet after loading the disk. A magnetic clamp mechanism for disc playback devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9991487U JPS645256U (en) | 1987-06-29 | 1987-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9991487U JPS645256U (en) | 1987-06-29 | 1987-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645256U true JPS645256U (en) | 1989-01-12 |
Family
ID=31327511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9991487U Pending JPS645256U (en) | 1987-06-29 | 1987-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645256U (en) |
-
1987
- 1987-06-29 JP JP9991487U patent/JPS645256U/ja active Pending
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