JPS637981Y2 - - Google Patents

Info

Publication number
JPS637981Y2
JPS637981Y2 JP1981066977U JP6697781U JPS637981Y2 JP S637981 Y2 JPS637981 Y2 JP S637981Y2 JP 1981066977 U JP1981066977 U JP 1981066977U JP 6697781 U JP6697781 U JP 6697781U JP S637981 Y2 JPS637981 Y2 JP S637981Y2
Authority
JP
Japan
Prior art keywords
disk
magnetic disk
core member
protrusion
recording medium
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.)
Expired
Application number
JP1981066977U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57180883U (en:Method
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 JP1981066977U priority Critical patent/JPS637981Y2/ja
Publication of JPS57180883U publication Critical patent/JPS57180883U/ja
Application granted granted Critical
Publication of JPS637981Y2 publication Critical patent/JPS637981Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
JP1981066977U 1981-05-09 1981-05-09 Expired JPS637981Y2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981066977U JPS637981Y2 (en:Method) 1981-05-09 1981-05-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981066977U JPS637981Y2 (en:Method) 1981-05-09 1981-05-09

Publications (2)

Publication Number Publication Date
JPS57180883U JPS57180883U (en:Method) 1982-11-16
JPS637981Y2 true JPS637981Y2 (en:Method) 1988-03-09

Family

ID=29862998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981066977U Expired JPS637981Y2 (en:Method) 1981-05-09 1981-05-09

Country Status (1)

Country Link
JP (1) JPS637981Y2 (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60173178U (ja) * 1984-04-23 1985-11-16 ソニー株式会社 磁気デイスク
JPH0782727B2 (ja) * 1984-04-28 1995-09-06 ソニー株式会社 磁気ディスクカセット
JPH0624050Y2 (ja) * 1984-05-18 1994-06-22 ソニー株式会社 磁気ディスクカセット
JPS6258474A (ja) * 1985-09-09 1987-03-14 Hitachi Maxell Ltd デイスクカ−トリツジ
JPH0519882Y2 (en:Method) * 1986-08-18 1993-05-25
JP2548235B2 (ja) * 1987-10-21 1996-10-30 松下電器産業株式会社 光記録媒体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231411U (en:Method) * 1975-08-28 1977-03-05

Also Published As

Publication number Publication date
JPS57180883U (en:Method) 1982-11-16

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