JPS60146971U - magnetic disk - Google Patents

magnetic disk

Info

Publication number
JPS60146971U
JPS60146971U JP3230484U JP3230484U JPS60146971U JP S60146971 U JPS60146971 U JP S60146971U JP 3230484 U JP3230484 U JP 3230484U JP 3230484 U JP3230484 U JP 3230484U JP S60146971 U JPS60146971 U JP S60146971U
Authority
JP
Japan
Prior art keywords
magnetic disk
center
molding
metal plate
plate part
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
JP3230484U
Other languages
Japanese (ja)
Other versions
JPH0216456Y2 (en
Inventor
菅原　康吉
健三 伊藤
田崎　照男
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 JP3230484U priority Critical patent/JPS60146971U/en
Publication of JPS60146971U publication Critical patent/JPS60146971U/en
Application granted granted Critical
Publication of JPH0216456Y2 publication Critical patent/JPH0216456Y2/ja
Granted 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図は従来の磁気ディスクを示す平面図、第一　２図
は第１図のＡ−Ａ線からみたセンタープレート５の部分
拡大断面図、第３図はセンタープーートを積み重ねた状
態を票す説明図、第４図はこの考案の７実施例の要部を
示す拡大平面図、第５図は第４図のＢ−Ｂ線による断面
図、第６・図はセンタ　　　−　゛−プレートを積み重
ねた状態を示す説明図、第７図はこの考案の他の実施例
の要部を示す拡大断面　　、。 図である。　　　　　　　　　　　−、図中、１は磁気
ディスクミ　１１はセンタープレ　−゛−ト１２は金属
板部、１２Ａ、１２Ｂ、１２Ｃ・−Ｃ，よ穴、１３は合
成樹脂部、１３Ａはフランジである。　　　　　　　　
　　　　　　　　、　　　　　　　　２第７図　−９−
］−、、− −−］１−−１第５図−−゛−Fig. 1 is a plan view showing a conventional magnetic disk, Fig. 12 is a partially enlarged sectional view of the center plate 5 taken along line A-A in Fig. 1, and Fig. 3 is an explanation of the state in which the center plates are stacked. Figure 4 is an enlarged plan view showing the main parts of the seventh embodiment of this invention, Figure 5 is a sectional view taken along line B-B in Figure 4, and Figure 6 is a stacked center plate. FIG. 7 is an explanatory diagram showing the state, and FIG. 7 is an enlarged cross section showing the main part of another embodiment of the invention. It is a diagram. - In the figure, 1 is a magnetic disk mirror, 11 is a center plate, 12 is a metal plate portion, 12A, 12B, 12C and -C are holes, 13 is a synthetic resin portion, and 13A is a flange.
, 2Figure 7 -9-
]-,,---]1--1Figure 5--゛-

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シート状の円形をした磁気ディスクの中央に配設するセ
ンタープレートを、打抜き加工した金属板部と、この金
属板部←モール１成形してプランジを形成し−た合成樹
脂部とて構成しり、ことを特徴とする磁気ディスク。　
The center plate disposed in the center of a sheet-like circular magnetic disk is composed of a punched metal plate part and a synthetic resin part formed by molding the metal plate part ← molding 1 to form a plunge, A magnetic disk characterized by:
JP3230484U 1984-03-08 1984-03-08 magnetic disk Granted JPS60146971U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3230484U JPS60146971U (en) 1984-03-08 1984-03-08 magnetic disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3230484U JPS60146971U (en) 1984-03-08 1984-03-08 magnetic disk

Publications (2)

Publication Number Publication Date
JPS60146971U true JPS60146971U (en) 1985-09-30
JPH0216456Y2 JPH0216456Y2 (en) 1990-05-07

Family

ID=30533695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3230484U Granted JPS60146971U (en) 1984-03-08 1984-03-08 magnetic disk

Country Status (1)

Country Link
JP (1) JPS60146971U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0190161U (en) * 1987-12-01 1989-06-14
JPH06295548A (en) * 1994-03-14 1994-10-21 Hitachi Ltd Optical disk

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4222030Y1 (en) * 1965-06-30 1967-12-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4222030Y1 (en) * 1965-06-30 1967-12-16

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0190161U (en) * 1987-12-01 1989-06-14
JPH06295548A (en) * 1994-03-14 1994-10-21 Hitachi Ltd Optical disk

Also Published As

Publication number Publication date
JPH0216456Y2 (en) 1990-05-07

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