JPS6437943U - - Google Patents

Info

Publication number
JPS6437943U
JPS6437943U JP1987130464U JP13046487U JPS6437943U JP S6437943 U JPS6437943 U JP S6437943U JP 1987130464 U JP1987130464 U JP 1987130464U JP 13046487 U JP13046487 U JP 13046487U JP S6437943 U JPS6437943 U JP S6437943U
Authority
JP
Japan
Prior art keywords
hole
magnetic pole
pole portion
rotation drive
drive device
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
JP1987130464U
Other languages
English (en)
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 JP1987130464U priority Critical patent/JPS6437943U/ja
Priority to US07/206,457 priority patent/US4896232A/en
Publication of JPS6437943U publication Critical patent/JPS6437943U/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
    • 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
    • G11B17/03—Positioning or locking of single discs of discs rotating during transducing operation in containers or trays
    • 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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
JP1987130464U 1987-08-27 1987-08-27 Pending JPS6437943U (pt-PT)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987130464U JPS6437943U (pt-PT) 1987-08-27 1987-08-27
US07/206,457 US4896232A (en) 1987-08-27 1988-06-13 Chucking mechanism for floppy disk drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987130464U JPS6437943U (pt-PT) 1987-08-27 1987-08-27

Publications (1)

Publication Number Publication Date
JPS6437943U true JPS6437943U (pt-PT) 1989-03-07

Family

ID=15034864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987130464U Pending JPS6437943U (pt-PT) 1987-08-27 1987-08-27

Country Status (2)

Country Link
US (1) US4896232A (pt-PT)
JP (1) JPS6437943U (pt-PT)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01113855U (pt-PT) * 1988-01-21 1989-07-31

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161075A (en) * 1988-09-28 1992-11-03 Kabushiki Kaisha Sankyo Seiki Seisakusho Hub table for a magnetic disk drive device
JPH0656687B2 (ja) * 1988-11-28 1994-07-27 株式会社三協精機製作所 磁気ディスク回転駆動装置のハブ台及びその着磁方法
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
US5233493A (en) * 1991-04-15 1993-08-03 Seagate Technology, Inc. Notched arcuate magnet for rotary actuator
JP3021783B2 (ja) * 1991-05-22 2000-03-15 ティーディーケイ株式会社 ディスクカートリッジ
US5581423A (en) * 1991-06-24 1996-12-03 Seiko Epson Corporation Disk driving motor and chcuking 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
USRE37791E1 (en) * 1991-06-24 2002-07-16 Seiko Epson Corporation Disk driving motor and chucking 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
JP2563205Y2 (ja) * 1992-03-09 1998-02-18 アルプス電気株式会社 ディスクチャッキング装置
US5745970A (en) * 1994-08-22 1998-05-05 Sankyo Seiki Mfg. Co., Ltd. Disc drive device chucking magnet magnetizing method and magnetizing apparatus
JPH11259967A (ja) 1998-03-09 1999-09-24 Alps Electric Co Ltd ディスクの回転駆動装置およびその製造方法
JP4114079B2 (ja) * 2004-06-24 2008-07-09 ミツミ電機株式会社 ディスクチャッキング機構
JP4203488B2 (ja) * 2005-03-16 2009-01-07 アルファナ テクノロジー株式会社 スピンドルモータ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60246054A (ja) * 1984-05-21 1985-12-05 Sony Corp デイスクの回転駆動装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60205856A (ja) * 1984-03-30 1985-10-17 Toshiba Corp 回転駆動装置
JPS60163547U (ja) * 1984-04-09 1985-10-30 ティアック株式会社 磁気デイスク回転装置
JPS60217554A (ja) * 1984-04-11 1985-10-31 Mitsubishi Electric Corp 磁気デイスク装置における回転駆動機構

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60246054A (ja) * 1984-05-21 1985-12-05 Sony Corp デイスクの回転駆動装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01113855U (pt-PT) * 1988-01-21 1989-07-31

Also Published As

Publication number Publication date
US4896232A (en) 1990-01-23

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