JPS6257986U - - Google Patents

Info

Publication number
JPS6257986U
JPS6257986U JP14745885U JP14745885U JPS6257986U JP S6257986 U JPS6257986 U JP S6257986U JP 14745885 U JP14745885 U JP 14745885U JP 14745885 U JP14745885 U JP 14745885U JP S6257986 U JPS6257986 U JP S6257986U
Authority
JP
Japan
Prior art keywords
index magnet
disk device
magnetic
magnetic disk
magnet
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
Application number
JP14745885U
Other languages
Japanese (ja)
Other versions
JPH0418116Y2 (en
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 filed Critical
Priority to JP1985147458U priority Critical patent/JPH0418116Y2/ja
Publication of JPS6257986U publication Critical patent/JPS6257986U/ja
Application granted granted Critical
Publication of JPH0418116Y2 publication Critical patent/JPH0418116Y2/ja
Expired legal-status Critical Current

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  • Rotational Drive Of Disk (AREA)

Description

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

第１図は本考案に係る磁気デイスク装置に用い
られるインデツクスマグネツト及び磁性材の例を
示す斜視図、第２図は同上インデツクスマグネツ
ト及び磁性材を用いた磁気デイスク装置の例を示
す正面図、第３図は本考案に係る磁気デイスク装
置に用いられるインデツクスマグネツト及び磁性
材の別の例を示す斜視図、第４図はインデツクス
マグネツト及び磁性材のさらに別の例を示す斜視
図、第５図はインデツクスマグネツト及び磁性材
のさらに別の例を示す正面図、第６図は従来の磁
気デイスク装置の例を示す一部断面正面図、第７
図は上記従来の磁気デイスク装置に用いられてい
るインデツクスマグネツトの例を示す斜視図、第
８図は上記インデツクスマグネツトの作用を示す
正面図である。 １１……スピンドルハブ、１２……スピンドル
ハブ駆動用モータ、１３……ロータホイール、１
４……インデツクスマグネツト、１５，１６……
磁気ヘツド、１７……磁性材、３０……インデツ
クスマグネツト、３１，３２……磁性材。 FIG. 1 is a perspective view showing an example of an index magnet and magnetic material used in a magnetic disk device according to the present invention, and FIG. 2 is a perspective view showing an example of a magnetic disk device using the same index magnet and magnetic material. 3 is a front view, FIG. 3 is a perspective view showing another example of the index magnet and magnetic material used in the magnetic disk device according to the present invention, and FIG. 4 is a perspective view showing still another example of the index magnet and magnetic material used in the magnetic disk device according to the present invention. FIG. 5 is a front view showing yet another example of an index magnet and magnetic material; FIG. 6 is a partially sectional front view showing an example of a conventional magnetic disk device; FIG.
This figure is a perspective view showing an example of an index magnet used in the above-mentioned conventional magnetic disk device, and FIG. 8 is a front view showing the operation of the above-mentioned index magnet. 11...Spindle hub, 12...Spindle hub drive motor, 13...Rotor wheel, 1
4... Index magnet, 15, 16...
Magnetic head, 17...Magnetic material, 30... Index magnet, 31, 32... Magnetic material.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スピンドルハブ駆動用モータのロータホイール
の外周にインデツクスマグネツトを設けた磁気デ
イスク装置において、上記磁気デイスク装置に設
けられた磁気ヘツドと上記インデツクスマグネツ
トとの間であつて上記インデツクスマグネツトの
近傍に、上記インデツクスマグネツトから発生す
る磁束を吸引するための磁性材を配置したことを
特徴とする磁気デイスク装置。 In a magnetic disk device in which an index magnet is provided on the outer periphery of a rotor wheel of a spindle hub drive motor, the index magnet is located between a magnetic head provided in the magnetic disk device and the index magnet. A magnetic disk device characterized in that a magnetic material for attracting magnetic flux generated from the index magnet is arranged near the index magnet.
JP1985147458U 1985-09-27 1985-09-27 Expired JPH0418116Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985147458U JPH0418116Y2 (en) 1985-09-27 1985-09-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985147458U JPH0418116Y2 (en) 1985-09-27 1985-09-27

Publications (2)

Publication Number Publication Date
JPS6257986U true JPS6257986U (en) 1987-04-10
JPH0418116Y2 JPH0418116Y2 (en) 1992-04-22

Family

ID=31060836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985147458U Expired JPH0418116Y2 (en) 1985-09-27 1985-09-27

Country Status (1)

Country Link
JP (1) JPH0418116Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0481282U (en) * 1990-11-22 1992-07-15

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5118180A (en) * 1974-03-29 1976-02-13 Toyo Shutter Co SHINTAISHIKI HINANKYOSOCHI
JPS60162464A (en) * 1984-02-02 1985-08-24 Canon Electronics Inc Index signal detecting mechanism of brushless motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5118180A (en) * 1974-03-29 1976-02-13 Toyo Shutter Co SHINTAISHIKI HINANKYOSOCHI
JPS60162464A (en) * 1984-02-02 1985-08-24 Canon Electronics Inc Index signal detecting mechanism of brushless motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0481282U (en) * 1990-11-22 1992-07-15

Also Published As

Publication number Publication date
JPH0418116Y2 (en) 1992-04-22

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