JPH01133346U - - Google Patents
Info
- Publication number
- JPH01133346U JPH01133346U JP2786488U JP2786488U JPH01133346U JP H01133346 U JPH01133346 U JP H01133346U JP 2786488 U JP2786488 U JP 2786488U JP 2786488 U JP2786488 U JP 2786488U JP H01133346 U JPH01133346 U JP H01133346U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- turntable
- centering member
- clamper
- center
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図、第２図は本考案の一実施例の断面図、
第３図は本考案の一実施例の要部の断面図、第４
図は本考案の一実施例の要部の側面図、第５図、
第６図、第７図は従来の一例の断面図である。
３……コンパクトデイスク、３ａ……デイスク
中心孔、１８……ターンテーブル、１９……クラ
ンパ、２０……スピンドル、２４……マグネツト
、２５……マグネツトホルダ、２６……第１の心
出し部材、２７……ストツパ、２８……スプリン
グ、２９……マグネツト、３１……ハウジング、
３３……コイル、３６……ガイド軸、３７……軸
受部、３８……第２の心出し部材、３９……スプ
リング、４０……クランパホルダ、４４……クラ
ンプアーム、４７……光学ピツクアツプ。
Figures 1 and 2 are cross-sectional views of an embodiment of the present invention;
Figure 3 is a sectional view of the main parts of an embodiment of the present invention;
The figure is a side view of the main part of one embodiment of the present invention, FIG.
FIGS. 6 and 7 are cross-sectional views of an example of the conventional device. 3... Compact disk, 3a... Disc center hole, 18... Turntable, 19... Clamper, 20... Spindle, 24... Magnet, 25... Magnetic holder, 26... First centering member , 27...stopper, 28...spring, 29...magnet, 31...housing,
33... Coil, 36... Guide shaft, 37... Bearing portion, 38... Second centering member, 39... Spring, 40... Clamper holder, 44... Clamp arm, 47... Optical pick-up.
Claims (1)
周囲に設けられた第１の心出し部材と嵌合させ該
デイスクの回転中心を該ターンテーブルの回転軸
と一致させつつ、該デイスクの中心孔周囲に当接
し、該ターンテーブル方向に移動し該デイスクを
該ターンテーブルと挾持することにより該デイス
クを該ターンテーブルに保持するクランパを具備
してなるデイスククランプ装置において、 該クランパの中心部に設けられ該クランパと共
に移動し、該デイスクの中心孔が該第１の心出し
部材と嵌合する前に該デイスクの中心孔と嵌合し
、該デイスクの回転中心を該ターンテーブルの回
転軸と略一致させる第２の心出し部材と、 該ターンテーブルの回転軸周囲に設けられ、該
クランパの該ターンテーブル方向への移動途中で
、該第２の心出し部材と当接し、該第２の心出し
部材を所定の位置に停止させるストツパとを具備
してなるデイスククランプ装置。[Claims for Utility Model Registration] While the center hole of the disk is fitted with a first centering member provided around the rotation axis of the turntable, and the rotation center of the disk is aligned with the rotation axis of the turntable. , a disk clamping device comprising a clamper that abuts around the center hole of the disk, moves toward the turntable, and clamps the disk with the turntable to hold the disk on the turntable, It is provided in the center of the clamper and moves together with the clamper, and is fitted with the center hole of the disk before the center hole of the disk is fitted with the first centering member, so that the center of rotation of the disk is aligned with the turn. a second centering member that is substantially aligned with the rotation axis of the table; and a second centering member that is provided around the rotation axis of the turntable and that comes into contact with the second centering member during movement of the clamper toward the turntable. , and a stopper for stopping the second centering member at a predetermined position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988027864U JPH067475Y2 (en) | 1988-03-02 | 1988-03-02 | Disc clamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988027864U JPH067475Y2 (en) | 1988-03-02 | 1988-03-02 | Disc clamp device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01133346U true JPH01133346U (en) | 1989-09-11 |
| JPH067475Y2 JPH067475Y2 (en) | 1994-02-23 |
Family
ID=31250732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988027864U Expired - Lifetime JPH067475Y2 (en) | 1988-03-02 | 1988-03-02 | Disc clamp device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067475Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101004A (en) * | 1976-01-02 | 1977-08-24 | Thomson Brandt | Device for driving video disk |
-
1988
- 1988-03-02 JP JP1988027864U patent/JPH067475Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101004A (en) * | 1976-01-02 | 1977-08-24 | Thomson Brandt | Device for driving video disk |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067475Y2 (en) | 1994-02-23 |
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