CA1227568A - Torsional actuator for loading and unloading flexible disk drive - Google Patents

Torsional actuator for loading and unloading flexible disk drive

Info

Publication number
CA1227568A
CA1227568A CA000481214A CA481214A CA1227568A CA 1227568 A CA1227568 A CA 1227568A CA 000481214 A CA000481214 A CA 000481214A CA 481214 A CA481214 A CA 481214A CA 1227568 A CA1227568 A CA 1227568A
Authority
CA
Canada
Prior art keywords
flexible disk
collet
arm
torsion beam
cam
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
CA000481214A
Other languages
English (en)
French (fr)
Inventor
Donovan M. Janssen
Alan J. Kirton
Robert M. Murphy
Leroy Rose
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1227568A publication Critical patent/CA1227568A/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/041—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs contained within cartridges
    • G11B17/043—Direct insertion, i.e. without external loading means
    • 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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Feeding And Guiding Record Carriers (AREA)
CA000481214A 1984-07-03 1985-05-09 Torsional actuator for loading and unloading flexible disk drive Expired CA1227568A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/627,651 US4626943A (en) 1984-07-03 1984-07-03 Torsional actuator for loading and unloading flexible disk drive
US627,651 1984-07-03

Publications (1)

Publication Number Publication Date
CA1227568A true CA1227568A (en) 1987-09-29

Family

ID=24515529

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000481214A Expired CA1227568A (en) 1984-07-03 1985-05-09 Torsional actuator for loading and unloading flexible disk drive

Country Status (5)

Country Link
US (1) US4626943A (en, 2012)
EP (1) EP0167804B1 (en, 2012)
JP (1) JPS6120261A (en, 2012)
CA (1) CA1227568A (en, 2012)
DE (1) DE3573038D1 (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4628385A (en) 1984-07-06 1986-12-09 International Business Machines Corporation Two stage colleting in a flexible disk drive
JP3339401B2 (ja) * 1998-03-12 2002-10-28 ティアック株式会社 ディスク装置
JP2009006408A (ja) * 2007-06-26 2009-01-15 Mitsubishi Materials Corp 薄刃砥石
JP4960395B2 (ja) * 2009-03-17 2012-06-27 株式会社東芝 研磨装置とそれを用いた半導体装置の製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040107A (en) * 1976-04-21 1977-08-02 Persci, Inc. Disk positioning and ejection device in a disk drive
US4040106A (en) * 1976-06-04 1977-08-02 Shugart Associates, Inc. Flexible magnetic disc drive apparatus
US4125883A (en) * 1977-09-02 1978-11-14 Memorex Corporation Apparatus for centering and clamping a flexible magnetic recording disc
US4193102A (en) * 1978-10-12 1980-03-11 International Business Machines Corporation Disk file machine with cable connection to transducers
US4193101A (en) * 1978-10-12 1980-03-11 International Business Machines Corporation Collet loading apparatus
US4339778A (en) * 1980-04-11 1982-07-13 Atari, Inc. Dual floppy disc machine
US4509086A (en) * 1982-06-22 1985-04-02 International Business Machines Corporation Method and apparatus for loading and registering a diskette in a diskette drive
US4541025A (en) * 1982-09-29 1985-09-10 Sidhu Pawitter S Control rod for clutch actuator for floppy disk drive

Also Published As

Publication number Publication date
JPH0213386B2 (en, 2012) 1990-04-04
US4626943A (en) 1986-12-02
DE3573038D1 (en) 1989-10-19
EP0167804A1 (en) 1986-01-15
EP0167804B1 (en) 1989-09-13
JPS6120261A (ja) 1986-01-29

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Legal Events

Date Code Title Description
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