JPH01181169U - - Google Patents

Info

Publication number
JPH01181169U
JPH01181169U JP1988078618U JP7861888U JPH01181169U JP H01181169 U JPH01181169 U JP H01181169U JP 1988078618 U JP1988078618 U JP 1988078618U JP 7861888 U JP7861888 U JP 7861888U JP H01181169 U JPH01181169 U JP H01181169U
Authority
JP
Japan
Prior art keywords
pressing surface
center core
magnetic disk
drive shaft
leaf spring
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
JP1988078618U
Other languages
Japanese (ja)
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 JP1988078618U priority Critical patent/JPH01181169U/ja
Priority to GB8912888A priority patent/GB2219888B/en
Priority to KR1019890008042A priority patent/KR0140883B1/en
Priority to MX016425A priority patent/MX170680B/en
Priority to IT8948074A priority patent/IT1231604B/en
Priority to MYPI89000785A priority patent/MY104665A/en
Priority to DE3919476A priority patent/DE3919476C2/en
Priority to FR898907904A priority patent/FR2635219B1/fr
Publication of JPH01181169U publication Critical patent/JPH01181169U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/033—Containers for flat record carriers for flexible discs
    • G11B23/0332—Containers for flat record carriers for flexible discs for single discs, e.g. envelopes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving

Description

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

第１図乃至第７図は本考案磁気デイスクのセン
ターコアの第１の実施例を示すもので、第１図は
磁気デイスクのスピンドルへの装着動作をＡから
Ｂへ順を追つて示す断面図、第２図は磁気デイス
クの平面図、第３図は一部を省略して示す磁気デ
イスクの斜視図、第４図は第２図の―線に沿
う拡大断面図、第５図は磁気デイスクの分解斜視
図、第６図は磁気デイスクカセツトの斜視図、第
７図は第１図の―線に沿う拡大断面図、第８
図は本考案磁気デイスクのセンターコアの第２の
実施例を示す断面図、第９図は本考案磁気デイス
クのセンターコアの変形例を示す断面図、第１０
図及び第１１図は従来の磁気デイスクのセンター
コアの一例を示すもので、第１０図は平面図、第
１１図は第１０図のXI―XI線に沿う断面図である
。 符号の説明、１……磁気デイスク、３……セン
ターコア、１０，１０……押圧面、２８……板バ
ネ、３２ａ……（板バネの）下端部の中央部、３
Ａ……センターコア、３Ｂ……センターコア、５
０……（板バネの）下端部の中央部。 1 to 7 show a first embodiment of the center core of the magnetic disk of the present invention, and FIG. 1 is a sectional view showing the mounting operation of the magnetic disk on the spindle in order from A to B. , Fig. 2 is a plan view of the magnetic disk, Fig. 3 is a perspective view of the magnetic disk with some parts omitted, Fig. 4 is an enlarged sectional view taken along the line - in Fig. 2, and Fig. 5 is the magnetic disk. FIG. 6 is an exploded perspective view of the magnetic disk cassette, FIG. 7 is an enlarged cross-sectional view taken along line - in FIG.
9 is a cross-sectional view showing a second embodiment of the center core of the magnetic disk of the present invention, FIG. 9 is a cross-sectional view showing a modified example of the center core of the magnetic disk of the present invention, and FIG.
1 and 11 show an example of a center core of a conventional magnetic disk, with FIG. 10 being a plan view and FIG. 11 being a sectional view taken along line XI--XI in FIG. 10. Explanation of symbols, 1... Magnetic disk, 3... Center core, 10, 10... Pressing surface, 28... Leaf spring, 32a... Center part of the lower end (of the leaf spring), 3
A...Center core, 3B...Center core, 5
0...The center of the lower end (of the leaf spring).

Claims (1)

【実用新案登録請求の範囲】 デイスク駆動軸が係脱自在に挿入される係合孔
を有し該係合孔に軸方向から見て略ハ字状に配置
された押圧面と該押圧面の開き方向から対向しか
つ駆動軸が挿入されることによつて上記押圧面を
駆動軸に押し付けるための板バネが設けられた磁
気デイスクのセンターコアであつて、 板バネの下端部の略中央部を反押圧部側へ向け
て折曲した ことを特徴とする磁気デイスクのセンターコア。[Claims for Utility Model Registration] An engagement hole into which a disk drive shaft is detachably inserted, a pressing surface disposed in the engagement hole in a substantially V-shape when viewed from the axial direction, and a pressing surface of the pressing surface. A center core of a magnetic disk that is provided with a leaf spring that faces from the opening direction and that presses the pressing surface against the drive shaft when the drive shaft is inserted, the center core being approximately at the center of the lower end of the leaf spring. The center core of a magnetic disk is characterized by being bent toward the anti-pressure side.
JP1988078618U 1988-06-14 1988-06-14 Pending JPH01181169U (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP1988078618U JPH01181169U (en) 1988-06-14 1988-06-14
GB8912888A GB2219888B (en) 1988-06-14 1989-06-05 Flexible magnetic disc
KR1019890008042A KR0140883B1 (en) 1988-06-14 1989-06-12 Center core of magnetic disk
MX016425A MX170680B (en) 1988-06-14 1989-06-12 FLEXIBLE MAGNETIC DISC
IT8948074A IT1231604B (en) 1988-06-14 1989-06-12 FLEXIBLE MAGNETIC DISC
MYPI89000785A MY104665A (en) 1988-06-14 1989-06-13 Flexible magnetic disc.
DE3919476A DE3919476C2 (en) 1988-06-14 1989-06-14 Flexible magnetic plate
FR898907904A FR2635219B1 (en) 1988-06-14 1989-06-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988078618U JPH01181169U (en) 1988-06-14 1988-06-14

Publications (1)

Publication Number Publication Date
JPH01181169U true JPH01181169U (en) 1989-12-27

Family

ID=13666879

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988078618U Pending JPH01181169U (en) 1988-06-14 1988-06-14

Country Status (8)

Country Link
JP (1) JPH01181169U (en)
KR (1) KR0140883B1 (en)
DE (1) DE3919476C2 (en)
FR (1) FR2635219B1 (en)
GB (1) GB2219888B (en)
IT (1) IT1231604B (en)
MX (1) MX170680B (en)
MY (1) MY104665A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10021943B2 (en) 2014-09-10 2018-07-17 Mashannon Ferris Variable ornament assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57195674U (en) * 1981-06-05 1982-12-11
CA1217562A (en) * 1983-02-10 1987-02-03 Etsuro Saito Flexible magnetic disc
US4545047A (en) * 1984-01-31 1985-10-01 Storage Technology Partners Ii Centering device for interchangeable disk
JPH0734555Y2 (en) * 1985-05-20 1995-08-02 富士写真フイルム株式会社 Magnetic disk cartridge

Also Published As

Publication number Publication date
DE3919476A1 (en) 1989-12-21
IT8948074A0 (en) 1989-06-12
GB8912888D0 (en) 1989-07-26
MY104665A (en) 1994-05-31
FR2635219B1 (en) 1992-12-11
IT1231604B (en) 1991-12-18
FR2635219A1 (en) 1990-02-09
MX170680B (en) 1993-09-07
DE3919476C2 (en) 2003-05-28
GB2219888A (en) 1989-12-20
KR0140883B1 (en) 1998-07-15
GB2219888B (en) 1992-05-06
KR900000840A (en) 1990-01-30

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