JPS6218854U - - Google Patents
Info
- Publication number
- JPS6218854U JPS6218854U JP10800685U JP10800685U JPS6218854U JP S6218854 U JPS6218854 U JP S6218854U JP 10800685 U JP10800685 U JP 10800685U JP 10800685 U JP10800685 U JP 10800685U JP S6218854 U JPS6218854 U JP S6218854U
- Authority
- JP
- Japan
- Prior art keywords
- center
- pin
- drive pin
- magnetic
- disk
- 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
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 2
- 238000001179 sorption measurement Methods 0.000 claims 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図〜第３図は本考案の実施例を示したもの
であつて、第１図は要部の分解斜視図、第２図は
要部の一部切欠き平面図、第３図は変形例の要部
分解斜視図である。第４図は先願例の断面図、第
５図は先願例の要部平面図である。
また図面に用いられた符号において、１……中
心ピン、２……駆動ピン、３……マグネツトチヤ
ツク、４……ターンテーブル、１４……センター
コア、１５……磁気シート（デイスク）、１７…
…中心孔、１８……駆動ピン挿入孔、２２……滑
性シート、２４……リブ、２７……リブ、である
。
Figures 1 to 3 show an embodiment of the present invention, in which Figure 1 is an exploded perspective view of the main part, Figure 2 is a partially cutaway plan view of the main part, and Figure 3 is a partially cutaway plan view of the main part. FIG. 7 is an exploded perspective view of a main part of a modification. FIG. 4 is a sectional view of the example of the earlier application, and FIG. 5 is a plan view of the main part of the example of the earlier application. In addition, in the symbols used in the drawings, 1...center pin, 2...drive pin, 3...magnetic chuck, 4...turntable, 14...center core, 15...magnetic sheet (disc), 17 …
... center hole, 18 ... drive pin insertion hole, 22 ... slippery sheet, 24 ... rib, 27 ... rib.
Claims (1)
設けられたターンテーブルを有し、中心ピンの外
周でマグネツトチヤツクより僅かに高い位置に非
磁性体からなる滑性シートを設け、記録用デイス
クの中央に設けた磁性体からなるセンターコアを
中心孔及び駆動ピン挿入孔によつて中心ピン及び
駆動ピンに挿入した状態でマグネツトチヤツクの
磁気吸引力により滑性シート上に吸着させ、ター
ンテーブルの回転により駆動ピン挿入孔内の駆動
ピンでセンターコアを回転駆動するように構成し
たデイスクの回転駆動装置において、 前記滑性シートに複数のリブを一体に設け、こ
の複数のリブ上に前記センターコアを吸着させる
ように構成したことを特徴とするデイスクの回転
駆動装置。[Claims for Utility Model Registration] A turntable is provided with a center pin, a drive pin, and a magnetic chuck, and a slippery sheet made of a non-magnetic material is placed on the outer periphery of the center pin at a position slightly higher than the magnetic chuck. A center core made of a magnetic material provided at the center of the recording disk is inserted into the center pin and drive pin through the center hole and drive pin insertion hole, and the magnetic attraction force of the magnetic chuck causes the disk to slide onto the slippery sheet. In the disk rotation drive device configured to rotate the center core with a drive pin in a drive pin insertion hole by adsorption and rotation of a turntable, the slippery sheet is integrally provided with a plurality of ribs, and the plurality of 1. A disk rotation drive device, characterized in that the center core is adsorbed onto a rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10800685U JPS6218854U (en) | 1985-07-15 | 1985-07-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10800685U JPS6218854U (en) | 1985-07-15 | 1985-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6218854U true JPS6218854U (en) | 1987-02-04 |
Family
ID=30984800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10800685U Pending JPS6218854U (en) | 1985-07-15 | 1985-07-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6218854U (en) |
-
1985
- 1985-07-15 JP JP10800685U patent/JPS6218854U/ja active Pending
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