JPS60111560U - magnetic disk device - Google Patents
magnetic disk deviceInfo
- Publication number
- JPS60111560U JPS60111560U JP20420883U JP20420883U JPS60111560U JP S60111560 U JPS60111560 U JP S60111560U JP 20420883 U JP20420883 U JP 20420883U JP 20420883 U JP20420883 U JP 20420883U JP S60111560 U JPS60111560 U JP S60111560U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- ball bearing
- stator
- flange
- attached
- 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
Landscapes
- Moving Of Heads (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の磁気ディスク装置の一実施例を示す平
面図でカバーの一部を切欠いである。第２図は第１図の
ステッピングモータを部分的に断面で示した分解平面図
である。
図において、１・・・・・・スピンドル、２・・曲磁気
ディスク、３・・・・・・磁気ヘッド、４・・・・・・
ジンバルスプリング、５・・・・・・キャリッジベース
、６・・曲スチールバンド、７・・・・・・プーリ、訃
・・・・・ステッピングモータ、９・・・・・・フレー
ム、８１・・・・・・回転軸、８２・・・・・・フロン
トフランジ、８３・・・・・・ボールベアリング、８４
・・・・・・ステータ、８５・・曲コイル、８６・・・
・・・マグネット、８７・・曲りャフランジ、８８・・
曲ボールベアリング、８９・・・・・・０リング、９０
・・・・・・スプリング。FIG. 1 is a plan view showing an embodiment of the magnetic disk device of the present invention, with a part of the cover cut away. FIG. 2 is an exploded plan view, partially in section, of the stepping motor of FIG. 1. In the figure, 1...spindle, 2...curved magnetic disk, 3...magnetic head, 4...
Gimbal spring, 5... Carriage base, 6... Curved steel band, 7... Pulley, End... Stepping motor, 9... Frame, 81... ... Rotating shaft, 82 ... Front flange, 83 ... Ball bearing, 84
...Stator, 85...Bent coil, 86...
...Magnet, 87...Curved flange, 88...
Curved ball bearing, 89...0 ring, 90
······spring.
Claims (1)
も１枚の磁気ディスクと、少くとも１個の磁気ヘッドを
搭載して前記磁気ヘッドを前記磁気ディスクの所定のト
ラック上に位置決めする位置決め装置を駆動するステッ
ピングモータとを備える磁気ディスク装置において、前
記ステッピングモータが、外周に複数個の磁極を有する
マグネットを取付けた回転軸と、複数個の固定子巻線を
備えたステータと、前記回転軸に取付けられた前後２個
のボールベアリングと、前記前側ボールベアリングの外
輪を圧入又はわずかなすきまばめにて接着することによ
り固定し保持するフロントフランジと、前記ボールベア
リングのもう一個のボー／Ｌ’ベアリングを保持するり
ャフランジとを備え、前記フロントフランジは、前記前
側ボールベアリング及び前記ステータとほぼ同じの熱膨
張係数を有する素材で構成され、前記リヤフランジのボ
ールベアリング外輪保持部分に０リング溝を有し、前記
０リング溝に嵌装された少なくとも１個のＯリングを備
えることを特徴とする磁気ディスク装置。Drives a positioning device that is equipped with at least one magnetic disk rotated by a motor and attached to a main shaft and at least one magnetic head, and that positions the magnetic head on a predetermined track of the magnetic disk. In a magnetic disk device comprising a stepping motor, the stepping motor includes a rotating shaft having a magnet having a plurality of magnetic poles attached to an outer periphery, a stator having a plurality of stator windings, and a stator attached to the rotating shaft. two front and rear ball bearings, a front flange that fixes and holds the outer ring of the front ball bearing by press-fitting or gluing with a slight loose fit, and another bow/L' bearing of the ball bearing. and a rear flange for holding the rear flange, the front flange is made of a material having approximately the same coefficient of thermal expansion as the front ball bearing and the stator, and has an O-ring groove in a ball bearing outer ring holding portion of the rear flange. , a magnetic disk drive comprising at least one O-ring fitted in the O-ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20420883U JPS60111560U (en) | 1983-12-29 | 1983-12-29 | magnetic disk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20420883U JPS60111560U (en) | 1983-12-29 | 1983-12-29 | magnetic disk device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60111560U true JPS60111560U (en) | 1985-07-29 |
Family
ID=30766615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20420883U Pending JPS60111560U (en) | 1983-12-29 | 1983-12-29 | magnetic disk device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60111560U (en) |
-
1983
- 1983-12-29 JP JP20420883U patent/JPS60111560U/en active Pending
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