JPS59125778U - magnetic disk - Google Patents

magnetic disk

Info

Publication number
JPS59125778U
JPS59125778U JP1857583U JP1857583U JPS59125778U JP S59125778 U JPS59125778 U JP S59125778U JP 1857583 U JP1857583 U JP 1857583U JP 1857583 U JP1857583 U JP 1857583U JP S59125778 U JPS59125778 U JP S59125778U
Authority
JP
Japan
Prior art keywords
face plate
spindle shaft
reference face
magnetic disk
positioning member
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
JP1857583U
Other languages
Japanese (ja)
Other versions
JPH0319098Y2 (en
Inventor
悦朗 斉藤
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP1857583U priority Critical patent/JPS59125778U/en
Priority to US06/577,780 priority patent/US4630156A/en
Priority to CA000446900A priority patent/CA1217562A/en
Priority to AU24418/84A priority patent/AU563630B2/en
Priority to DE8484300851T priority patent/DE3467452D1/en
Priority to AT84300851T priority patent/ATE30803T1/en
Priority to EP84300851A priority patent/EP0116471B1/en
Publication of JPS59125778U publication Critical patent/JPS59125778U/en
Application granted granted Critical
Publication of JPH0319098Y2 publication Critical patent/JPH0319098Y2/ja
Granted legal-status Critical Current

Links

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  • Magnetic Record Carriers (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) [Abstract] 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図は従来の磁気ディスクのセンタコア部分を示す平
面図、第２図はこの磁気ディスクをスピンドル軸に装着
した状態を示す要部の縦断面正面図、第３図は本考案の
磁気ディスクのセンタコアの第１実施例を示す路線的平
面図、第４図はこの磁気ディスクのセンタコアをスピン
ドル軸に装着した状態を示す要部の縦断面正面図、第５
図は本考案の第２実施例を示すスピンドル軸とセンタコ
アの基準面突起との当接状態の要部を示す拡大縦断面正
面図である。 １は磁気ディスク、３はセンタコア、５はスピンドル軸
、７はテーパ部、１１は基準面突起である。Fig. 1 is a plan view showing the center core portion of a conventional magnetic disk, Fig. 2 is a vertical cross-sectional front view of the main part showing the state in which this magnetic disk is attached to a spindle shaft, and Fig. 3 is a plan view of the magnetic disk of the present invention. FIG. 4 is a linear plan view showing the first embodiment of the center core, FIG.
The figure is an enlarged vertical cross-sectional front view showing a main part of the second embodiment of the present invention in which the spindle shaft and the reference surface protrusion of the center core are in contact with each other. 1 is a magnetic disk, 3 is a center core, 5 is a spindle shaft, 7 is a tapered portion, and 11 is a reference surface protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気ディスク装置のスピンドル軸の近傍に形成された磁
気ディスクの高さの位置決め部材と対接する基準面板と
、上記スピンドル軸に着脱自在に嵌合される軸孔を有し
、且つ上記基準面板に取付けられたセンタコアと、上記
基準面板に取付けられた磁気シートとを有し、上記基準
面板を金属にて形成し、上記スピンドル軸の円周方向に
関する２点において夫々接触するように、上記基準面板
の内周縁の２個所を内方に延長させて面の位置決め部材
を形成し、上記センタコアの上記スピンドル軸の嵌合状
態で、上記面の位置決め部材を上記スピンドル軸に圧着
させる手段を設けてなる磁気ディスク。a reference face plate that is in contact with a magnetic disk height positioning member formed near a spindle shaft of a magnetic disk device; and a shaft hole that is removably fitted into the spindle shaft, and is attached to the reference face plate. and a magnetic sheet attached to the reference face plate, the reference face plate being made of metal, and the reference face plate being in contact with each other at two points in the circumferential direction of the spindle shaft. A magnetic device comprising: a surface positioning member formed by extending two portions of the inner peripheral edge inward; and means for press-fitting the surface positioning member to the spindle shaft when the center core is fitted with the spindle shaft. disk.
JP1857583U 1983-02-10 1983-02-10 magnetic disk Granted JPS59125778U (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1857583U JPS59125778U (en) 1983-02-10 1983-02-10 magnetic disk
US06/577,780 US4630156A (en) 1983-02-10 1984-02-07 Flexible magnetic disc including hub structure
CA000446900A CA1217562A (en) 1983-02-10 1984-02-07 Flexible magnetic disc
AU24418/84A AU563630B2 (en) 1983-02-10 1984-02-09 Flexible magnetic disc
DE8484300851T DE3467452D1 (en) 1983-02-10 1984-02-10 Flexible magnetic discs
AT84300851T ATE30803T1 (en) 1983-02-10 1984-02-10 FLEXIBLE MAGNETIC DISCS.
EP84300851A EP0116471B1 (en) 1983-02-10 1984-02-10 Flexible magnetic discs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1857583U JPS59125778U (en) 1983-02-10 1983-02-10 magnetic disk

Publications (2)

Publication Number Publication Date
JPS59125778U true JPS59125778U (en) 1984-08-24
JPH0319098Y2 JPH0319098Y2 (en) 1991-04-23

Family

ID=33307268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1857583U Granted JPS59125778U (en) 1983-02-10 1983-02-10 magnetic disk

Country Status (1)

Country Link
JP (1) JPS59125778U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59118126U (en) * 1983-01-26 1984-08-09 松下電器産業株式会社 disk-shaped recording medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59118126U (en) * 1983-01-26 1984-08-09 松下電器産業株式会社 disk-shaped recording medium

Also Published As

Publication number Publication date
JPH0319098Y2 (en) 1991-04-23

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