DE69221401D1 - Drehmechanismus für einen rotierenden Kopfantrieb - Google Patents

Drehmechanismus für einen rotierenden Kopfantrieb

Info

Publication number
DE69221401D1
DE69221401D1 DE69221401T DE69221401T DE69221401D1 DE 69221401 D1 DE69221401 D1 DE 69221401D1 DE 69221401 T DE69221401 T DE 69221401T DE 69221401 T DE69221401 T DE 69221401T DE 69221401 D1 DE69221401 D1 DE 69221401D1
Authority
DE
Germany
Prior art keywords
rotating
head drive
rotating mechanism
rotating head
drive
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 - Fee Related
Application number
DE69221401T
Other languages
English (en)
Other versions
DE69221401T2 (de
Inventor
John B Blanks
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology International
Seagate Technology LLC
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 Seagate Technology International, Seagate Technology LLC filed Critical Seagate Technology International
Application granted granted Critical
Publication of DE69221401D1 publication Critical patent/DE69221401D1/de
Publication of DE69221401T2 publication Critical patent/DE69221401T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • 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
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/0829—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial loading of both hub and shaft by an intermediate ring or sleeve
    • F16D1/0835—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial loading of both hub and shaft by an intermediate ring or sleeve due to the elasticity of the ring or sleeve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moving Of Heads (AREA)
  • Support Of The Bearing (AREA)
DE69221401T 1991-07-12 1992-06-15 Drehmechanismus für einen rotierenden Kopfantrieb Expired - Fee Related DE69221401T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/729,453 US5315465A (en) 1991-07-12 1991-07-12 Compliant pivot mechanism for a rotary actuator

Publications (2)

Publication Number Publication Date
DE69221401D1 true DE69221401D1 (de) 1997-09-11
DE69221401T2 DE69221401T2 (de) 1997-12-11

Family

ID=24931102

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221401T Expired - Fee Related DE69221401T2 (de) 1991-07-12 1992-06-15 Drehmechanismus für einen rotierenden Kopfantrieb

Country Status (5)

Country Link
US (1) US5315465A (de)
EP (1) EP0522717B1 (de)
JP (1) JP3042188B2 (de)
DE (1) DE69221401T2 (de)
SG (1) SG48783A1 (de)

Families Citing this family (51)

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US4979063A (en) * 1986-10-02 1990-12-18 Seagate Technology, Inc. Design for an actuator arm for a disc drive
JP2671738B2 (ja) * 1992-11-30 1997-10-29 日本電気株式会社 磁気ディスク装置
JP2675986B2 (ja) * 1994-02-18 1997-11-12 インターナショナル・ビジネス・マシーンズ・コーポレイション 複合アクチュエータベアリングシステムを有する直接アクセス記憶装置及びその方法
US5548458A (en) * 1994-05-04 1996-08-20 Seagate Technology, Inc. Support flange having electrical contacts to provide electrical continuity upon spindle motor mounting to base
US5482381A (en) * 1994-06-16 1996-01-09 Seagate Technology, Inc. Actuator assembly having labyrinth seal
US5659443A (en) * 1995-12-01 1997-08-19 International Business Machines Corporation Split band retainer for radially clamping a disk to a hub in a disk drive
US6163441A (en) * 1998-02-24 2000-12-19 Seagate Technology Llc Resonance dampening actuator bearing assembly
US6603634B1 (en) 1998-06-05 2003-08-05 Seagate Technology Llc Compressive spring sleeve for reducing disc slippage
US6288879B1 (en) * 1998-09-25 2001-09-11 Seagate Technolocy Llc Top down assembly of a disk drive actuator using a tolerance ring and a post
US6342992B1 (en) * 1999-08-13 2002-01-29 International Business Machines Corporation Hard disk drive actuator pivot with inboard pads and enhanced pivot sleeve thickness for improved servo stability
KR100463931B1 (ko) * 1999-12-03 2004-12-30 시게이트 테크놀로지 엘엘씨 일정한 작은 설치력 프로파일을 가지는 공차 링
US6422080B1 (en) 2000-02-07 2002-07-23 Seagate Technology Llc Resonance control method for a disc drive actuator assembly having discrete bearings
DE10085431T5 (de) 2000-02-09 2004-04-22 Seagate Technology Llc, Scotts Valley Toleranzring mit hoher Ringfestigkeit, um einer Verformung zu widerstehen
US6901598B1 (en) * 2000-04-24 2005-05-31 Dphi Acquisitions, Inc. Tilt focus method and mechanism for an optical drive
US6480363B1 (en) 2000-05-22 2002-11-12 International Business Machines Corporation Hard disk drive actuator assembly with damped tolerance ring for enhancing drive performance during structural resonance modes
US6654208B2 (en) * 2000-08-23 2003-11-25 Seagate Technology Llc Reduced inertia actuator pivot assembly
JP3536022B2 (ja) * 2000-10-04 2004-06-07 ミネベア株式会社 ピボット軸受装置
US6519116B1 (en) * 2000-11-30 2003-02-11 Western Digital Technologies, Inc. Actuator arm assembly having bearing gap formed between bearing outer race and pivot sleeve for mitigating torque ripple on actuator arm in a disk drive
US6687092B2 (en) 2001-05-10 2004-02-03 Hitachi Global Storage Technologies Netherland B.V. Pivot bearing assembly for compensating for disk drive actuator tilt
US6618226B2 (en) 2001-07-10 2003-09-09 International Business Machines Corporation Locally deformable sleeve on disk drive pivot assembly
JP3995490B2 (ja) * 2002-02-05 2007-10-24 ミネベア株式会社 ピボットアッシー及びその製造方法
US7085108B1 (en) 2002-09-30 2006-08-01 Western Digital Technologies, Inc. Disk drive including pivot-bearing cartridge tolerance ring having a damping layer for actuator resonance reduction
JP3868361B2 (ja) * 2002-10-04 2007-01-17 株式会社日立製作所 塑性流動結合体とその結合方法
US7054111B2 (en) * 2002-11-18 2006-05-30 Hitachi Global Storage Technologies Netherlands B.V. Disk drive actuator-pivot assembly with corrugated rings
US7007386B1 (en) 2002-12-20 2006-03-07 General Sullivan Group, Inc. Light duty bearing assembly
GB0308957D0 (en) 2003-04-17 2003-05-28 Lillishall Plastics And Engine Tolerance ring assembly
US20040246627A1 (en) * 2003-06-06 2004-12-09 Durrum Thomas M. Disc drive pivot bearing assembly
JP2005276291A (ja) 2004-03-24 2005-10-06 Hitachi Global Storage Technologies Netherlands Bv 回転円板形記憶装置及びピボット軸受アセンブリ
US7379273B2 (en) * 2004-05-10 2008-05-27 Seagate Technology Llc Anti-gall bearing with captive screw
GB0425856D0 (en) * 2004-11-24 2004-12-29 Rencol Tolerance Rings Ltd Fixing of components
US8363358B2 (en) * 2008-08-15 2013-01-29 Hgst, Netherlands B.V. Pivot-carriage having a center-bore with an integrated bearing-spacer portion
EP2337962B1 (de) 2008-09-10 2014-04-16 Saint-Gobain Performance Plastics Rencol Ltd. Toleranzring und befestigungsanordnung mit solch einem toleranzring
JP5607978B2 (ja) 2010-04-08 2014-10-15 ミネベア株式会社 ピボットアッシー軸受
US8579514B2 (en) 2010-04-26 2013-11-12 Seagate Technology Llc Press fitting a cartridge bearing
US8416534B1 (en) 2010-06-30 2013-04-09 Western Digital Technologies, Inc. Disk drive with asymmetric tolerance ring
JP5474710B2 (ja) * 2010-09-03 2014-04-16 株式会社東郷製作所 トルク伝達装置用トレランスリング
EP2700833A4 (de) 2011-04-22 2015-03-11 Nhk Spring Co Ltd Toleranzring und verfahren zur herstellung des toleranzrings
JP2013103696A (ja) * 2011-11-16 2013-05-30 Jtekt Corp 電動パワーステアリング装置
CN103975390B (zh) 2011-12-09 2017-05-24 日本发条株式会社 公差环、硬盘装置及硬盘装置的制造方法
WO2013100153A1 (ja) 2011-12-28 2013-07-04 日本発條株式会社 トレランスリング
CN104114884A (zh) 2012-02-17 2014-10-22 日本发条株式会社 公差环
JP5928088B2 (ja) * 2012-03-29 2016-06-01 日本精工株式会社 磁気記録装置のスイングアーム用ピボット軸受け装置およびこれを用いた磁気記録装置
WO2015080276A1 (ja) 2013-11-29 2015-06-04 日本発條株式会社 トレランスリングおよびハードディスク装置
US10157635B2 (en) 2014-07-11 2018-12-18 Saint-Gobain Performance Plastics Rencol Limited Stepped assembly
US9293162B1 (en) * 2014-09-09 2016-03-22 HGST Netherlands B.V. Actuator comb having a stepped inner bore
US9620155B2 (en) 2015-07-23 2017-04-11 Seagate Technology Llc Disc drive actuator bearing cartridge assembly with temperature induced rotational torque mitigation
JP6263157B2 (ja) 2015-09-17 2018-01-17 ミネベアミツミ株式会社 ハードディスク駆動装置及びピボットアッシー軸受装置
US20160076590A1 (en) * 2015-11-24 2016-03-17 Schaeffler Technologies AG & Co. KG Ball bearing with slanted or angled flat raceways
US10670430B2 (en) * 2016-02-25 2020-06-02 Nsk Ltd. Sensor
CN110953254A (zh) * 2018-09-27 2020-04-03 北京自动化控制设备研究所 一种轴向预紧可调舵机输出轴机构
CN109538638A (zh) * 2018-12-14 2019-03-29 宁波达尔机械科技有限公司 高速转子及其装配方法

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US3269204A (en) * 1964-01-06 1966-08-30 Gen Electric Gear motors and gearing units therefor
US3626743A (en) * 1969-12-22 1971-12-14 Roller Bearing Co Making corrugated elastic shims
US3633398A (en) * 1970-01-21 1972-01-11 Roller Bearing Co Of America Making corrugated elastic shims
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US3776653A (en) * 1971-10-20 1973-12-04 Roller Bearing Co Of America Corrugated elastic shim and shaft and hub
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US4286894A (en) * 1979-03-21 1981-09-01 Roller Bearing Company Of America Tolerance rings
JPS58153275A (ja) * 1982-03-08 1983-09-12 Nec Corp 磁気デイスク装置の位置決め機構
JPS5963872U (ja) * 1982-10-20 1984-04-26 トキコ株式会社 磁気デイスク装置
JPS62149075A (ja) * 1985-12-23 1987-07-03 Hitachi Ltd 磁気デイスク装置
US4716483A (en) * 1986-02-14 1987-12-29 Hewlett-Packard Company Three piece head actuator arm assembly for disc drive
DE3778427D1 (de) * 1986-06-04 1992-05-27 Fujitsu Ltd Magnetplattenvorrichtung.
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US4896239A (en) * 1987-03-30 1990-01-23 Seagate Technology, Inc. Bi-compliant rotor stepper motor for an actuator in a disc drive
AU1358188A (en) * 1987-03-30 1988-09-29 Seagate Technology, Inc. Bi-compliant rotor stepper motor for an actuator in disc drives
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JPS6457463A (en) * 1987-08-28 1989-03-03 Nippon Telegraph & Telephone Actuator for head of magnetic disk device
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Also Published As

Publication number Publication date
EP0522717B1 (de) 1997-08-06
US5315465A (en) 1994-05-24
DE69221401T2 (de) 1997-12-11
EP0522717A3 (en) 1993-03-31
JPH05205413A (ja) 1993-08-13
SG48783A1 (en) 1998-05-18
EP0522717A2 (de) 1993-01-13
JP3042188B2 (ja) 2000-05-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: HENKEL, FEILER & HAENZEL, 81675 MUENCHEN

8339 Ceased/non-payment of the annual fee