JPS59180294U - magnetic disk device - Google Patents

magnetic disk device

Info

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
Application number
JP7578783U
Other languages
Japanese (ja)
Inventor
秀一 中村
浩 桜井
Original Assignee
トキコ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by トキコ株式会社 filed Critical トキコ株式会社
Priority to JP7578783U priority Critical patent/JPS59180294U/en
Publication of JPS59180294U publication Critical patent/JPS59180294U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一基台に、この基台の一方の側に形成された防塵室内に
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.
JP7578783U 1983-05-20 1983-05-20 magnetic disk device Pending JPS59180294U (en)

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)

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