JPS59180294U - magnetic disk device - Google Patents
magnetic disk deviceInfo
- Publication number
- JPS59180294U JPS59180294U JP7578783U JP7578783U JPS59180294U JP S59180294 U JPS59180294 U JP S59180294U JP 7578783 U JP7578783 U JP 7578783U JP 7578783 U JP7578783 U JP 7578783U JP S59180294 U JPS59180294 U JP S59180294U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- disk device
- base
- hub
- rotating shaft
- 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
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図はこの考案の一実施例として示した磁気ディスク
装置の要部の縦断面図、第2図は同装置の被検出板の一
部の平面図、第3図は同装置の被検出板と磁気センサと
の位置関係を示す図、第4図はこの考案の別の実施例と
して示した磁気ディスク装置の要部の縦断面図、第5図
は同装置の被検出板の一部の平面図である。
1・・・・・・基台、2・・曲スピンドルモータ、7・
・曲回転軸、15・・・・・・ハブ、17・・曲磁気デ
ィスク、20・・・・・・被検出板(被検出部)、21
−1〜21−n・・・・・・セクタ突起(位置マーク)
、22・・・・・・インデックス突起(位置マーク)、
23・・曲磁気センサ(検出器)、40・・・・・・被
検出板(被検出部)、41−1〜41−n・・・・・・
セクタマーク(位置マーク)、42・・・・・・インデ
ックスマーク(位置マーク)、43・・・・・・ホトリ
フレクタ(検出器)。Fig. 1 is a vertical cross-sectional view of the main parts of a magnetic disk device shown as an embodiment of this invention, Fig. 2 is a plan view of a part of the detection target plate of the same device, and Fig. 3 is a plan view of a part of the detection target plate of the same device. A diagram showing the positional relationship between the plate and the magnetic sensor, FIG. 4 is a longitudinal sectional view of the main part of a magnetic disk device shown as another embodiment of this invention, and FIG. 5 is a part of the detected plate of the same device. FIG. 1... Base, 2... Curved spindle motor, 7...
- Curved rotation axis, 15... Hub, 17... Curved magnetic disk, 20... Detected plate (detected part), 21
-1~21-n...Sector protrusion (position mark)
, 22... Index protrusion (position mark),
23... Curved magnetic sensor (detector), 40... Detected plate (detected part), 41-1 to 41-n...
Sector mark (position mark), 42... Index mark (position mark), 43... Photo reflector (detector).
Claims (1)
回転軸が突出するようにスピンドルモータを取付け、前
記回転軸にハブを固定すると共にこのハブに磁気ディス
クを取付けてなる磁気ディスク装置において、前記ハブ
の前記回転軸が突出する方向と反対側の端面に位置マー
クが形成された被検出部を設け、前記基台の前記被検出
部と対向する部分に前記位置マークを検出する検出器を
設けてなることを特徴とする磁気ディスク装置。A spindle motor is mounted on a base so that the rotating shaft protrudes into a dustproof chamber formed on one side of the base, a hub is fixed to the rotating shaft, and a magnetic disk is attached to this hub. In the disk device, a detected portion in which a position mark is formed is provided on an end surface of the hub opposite to a direction in which the rotating shaft protrudes, and the position mark is detected in a portion of the base that faces the detected portion. 1. A magnetic disk device characterized by being provided with a detector for detecting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7578783U JPS59180294U (en) | 1983-05-20 | 1983-05-20 | magnetic disk device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7578783U JPS59180294U (en) | 1983-05-20 | 1983-05-20 | magnetic disk device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59180294U true JPS59180294U (en) | 1984-12-01 |
Family
ID=30205847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7578783U Pending JPS59180294U (en) | 1983-05-20 | 1983-05-20 | magnetic disk device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59180294U (en) |
-
1983
- 1983-05-20 JP JP7578783U patent/JPS59180294U/en active Pending
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