CA1197008A - Centering member for rotary disk - Google Patents

Centering member for rotary disk

Info

Publication number
CA1197008A
CA1197008A CA000430788A CA430788A CA1197008A CA 1197008 A CA1197008 A CA 1197008A CA 000430788 A CA000430788 A CA 000430788A CA 430788 A CA430788 A CA 430788A CA 1197008 A CA1197008 A CA 1197008A
Authority
CA
Canada
Prior art keywords
rotary disk
hub
sheet
turntable
planar surfaces
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
CA000430788A
Other languages
English (en)
French (fr)
Inventor
Manabu Wakabayashi
Tohru Sampei
Hiroshi Kanai
Tomiyoshi Satoo
Yosuke Nagano
Takeo Sonobe
Isao Utsugi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Maxell Ltd
Original Assignee
Hitachi Ltd
Hitachi Maxell Ltd
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 Hitachi Ltd, Hitachi Maxell Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of CA1197008A publication Critical patent/CA1197008A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • 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
    • G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers
    • 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

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
CA000430788A 1982-06-21 1983-06-20 Centering member for rotary disk Expired CA1197008A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57107184A JPS58224479A (ja) 1982-06-21 1982-06-21 回転ディスク
JP107184/1982 1982-06-21

Publications (1)

Publication Number Publication Date
CA1197008A true CA1197008A (en) 1985-11-19

Family

ID=14452594

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000430788A Expired CA1197008A (en) 1982-06-21 1983-06-20 Centering member for rotary disk

Country Status (6)

Country Link
US (1) US4796140A (en, 2012)
EP (1) EP0097363B1 (en, 2012)
JP (1) JPS58224479A (en, 2012)
KR (1) KR880002573B1 (en, 2012)
AU (1) AU538982B2 (en, 2012)
CA (1) CA1197008A (en, 2012)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101011B1 (en) * 1982-08-05 1988-11-02 Hitachi Maxell Ltd. Recording disc cartridge
US4638383A (en) * 1984-02-22 1987-01-20 Mcginlay James G Micro hard-disk drive system
US4568988A (en) * 1984-02-22 1986-02-04 Rodime Plc Micro hard-disk drive system
JPS60163560U (ja) * 1984-04-05 1985-10-30 ソニー株式会社 磁気記録媒体
JPS627654U (en, 2012) * 1985-06-26 1987-01-17
JPH0743866B2 (ja) * 1985-10-24 1995-05-15 キヤノン株式会社 デイスク駆動装置
JPS6298041U (en, 2012) * 1985-12-06 1987-06-22
NL8503563A (nl) * 1985-12-24 1987-07-16 Nagron Precision Tooling Schijfvormige informatiedrager met van een centraal gat voorzien inzetstuk.
JP2508066Y2 (ja) * 1989-04-06 1996-08-21 富士写真フイルム株式会社 磁気ディスクカ―トリッジ
US5060106A (en) * 1989-11-13 1991-10-22 Laser Magnetic Storage International Company Disk cartridge including door opening mechanism and improved hub assembly
JPH0616332B2 (ja) * 1990-03-02 1994-03-02 ソニー株式会社 可撓性磁気ディスク
US5212614A (en) * 1991-02-05 1993-05-18 Hoechst Celanese Corporation Flexible magnetic disc cassettes with separable cassette cases
US5177656A (en) * 1991-02-05 1993-01-05 Hoechst Celanese Corporation Flexible magnetic disc cassettes with integrally molded wear button
US5200871A (en) * 1991-02-05 1993-04-06 Hoechst Celanese Corporation Flexible magnetic disc cassettes with integrally molded drag fingers
US5164871A (en) * 1991-02-05 1992-11-17 Hoechst Celanese Corporation Shutters with integrally molded spring elements for flexible magnetic disc cassettes
US5214555A (en) * 1991-04-12 1993-05-25 Hoechst Celanese Corporation Central hubs for flexible magnetic data discs formed of magnetically soft polyacetal compositions
US5581423A (en) * 1991-06-24 1996-12-03 Seiko Epson Corporation Disk driving motor and chcuking mechanism for disk drive apparatus
JP3278701B2 (ja) * 1991-06-24 2002-04-30 セイコーエプソン株式会社 ディスク装置
USRE37791E1 (en) * 1991-06-24 2002-07-16 Seiko Epson Corporation Disk driving motor and chucking mechanism for disk drive apparatus
US5648881A (en) * 1991-06-24 1997-07-15 Seiko Epson Corporation Disk driving motor and chucking mechanism for disk drive apparatus
US5486962A (en) * 1994-10-12 1996-01-23 International Business Machines Corporation Integral hub and disk clamp for a disk drive storage device
US6160680A (en) * 1997-08-29 2000-12-12 Iomega Corporation Two-piece media hub and methods of attaching same to a medium
KR100745819B1 (ko) * 2001-04-19 2007-08-02 엘지전자 주식회사 디스크 드라이브의 턴테이블장치
US20070263316A1 (en) * 2006-05-11 2007-11-15 Dickson/Unigage, Inc. Method And Apparatus For Supporting And Orienting A Workpiece And A Workpiece For Use Therewith

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152740A (en) * 1977-03-16 1979-05-01 Arvin Industries, Inc. Magnetic disc recorder and cassette
US4149207A (en) * 1977-10-25 1979-04-10 International Business Machines Corporation Cartridge and flexible magnetic disk assembly
US4166622A (en) * 1978-02-13 1979-09-04 Rager Edgar A Centering collar for a disk hub
JPS6138145Y2 (en, 2012) * 1980-08-14 1986-11-04
JPS606938Y2 (ja) * 1980-08-14 1985-03-07 ソニー株式会社 記録再生用デイスクカセツト
US4532564A (en) * 1981-09-16 1985-07-30 Dysan Corporation Removable disk cartridge
US4459628A (en) * 1982-04-19 1984-07-10 Cipher Data Products, Inc. Disk cartridge
JPS58169222U (ja) * 1982-05-08 1983-11-11 ソニー株式会社 回転板軸受
US4503530A (en) * 1982-05-27 1985-03-05 Digital Equipment Corporation Disk hub spindle system

Also Published As

Publication number Publication date
AU1593083A (en) 1984-01-05
EP0097363A1 (en) 1984-01-04
AU538982B2 (en) 1984-09-06
JPH0435825B2 (en, 2012) 1992-06-12
US4796140A (en) 1989-01-03
KR880002573B1 (ko) 1988-11-30
JPS58224479A (ja) 1983-12-26
KR840005260A (ko) 1984-11-05
EP0097363B1 (en) 1987-12-09

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry