DE69614966D1 - Drehlager - Google Patents

Drehlager

Info

Publication number
DE69614966D1
DE69614966D1 DE69614966T DE69614966T DE69614966D1 DE 69614966 D1 DE69614966 D1 DE 69614966D1 DE 69614966 T DE69614966 T DE 69614966T DE 69614966 T DE69614966 T DE 69614966T DE 69614966 D1 DE69614966 D1 DE 69614966D1
Authority
DE
Germany
Prior art keywords
assembly
bearing surface
rotatable
rotatable assembly
balls
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 - Lifetime
Application number
DE69614966T
Other languages
English (en)
Other versions
DE69614966T2 (de
Inventor
Zine-Eddine Boutaghou
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.)
IBM United Kingdom Ltd
HGST Netherlands BV
Original Assignee
IBM Deutschland Informationssysteme GmbH
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 IBM Deutschland Informationssysteme GmbH filed Critical IBM Deutschland Informationssysteme GmbH
Application granted granted Critical
Publication of DE69614966D1 publication Critical patent/DE69614966D1/de
Publication of DE69614966T2 publication Critical patent/DE69614966T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
    • 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
    • F16C27/08—Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
    • 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
    • G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4813—Mounting or aligning of arm assemblies, e.g. actuator arm supported by bearings, multiple arm assemblies, arm stacks or multiple heads on single arm
    • 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
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • 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
DE69614966T 1995-05-22 1996-05-03 Drehlager Expired - Lifetime DE69614966T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/446,381 US5835309A (en) 1995-05-22 1995-05-22 Pivot bearing
PCT/EP1996/001859 WO1996037884A1 (en) 1995-05-22 1996-05-03 Pivot bearing

Publications (2)

Publication Number Publication Date
DE69614966D1 true DE69614966D1 (de) 2001-10-11
DE69614966T2 DE69614966T2 (de) 2002-04-11

Family

ID=23772376

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614966T Expired - Lifetime DE69614966T2 (de) 1995-05-22 1996-05-03 Drehlager

Country Status (15)

Country Link
US (4) US5835309A (de)
EP (1) EP0772872B1 (de)
JP (1) JP3574263B2 (de)
KR (1) KR100235886B1 (de)
CN (1) CN1091293C (de)
AT (1) ATE205325T1 (de)
CZ (1) CZ289021B6 (de)
DE (1) DE69614966T2 (de)
ES (1) ES2162073T3 (de)
HU (1) HU221356B1 (de)
MY (1) MY117717A (de)
PL (1) PL180164B1 (de)
RU (1) RU2137217C1 (de)
SG (1) SG38936A1 (de)
WO (1) WO1996037884A1 (de)

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JP3933762B2 (ja) * 1997-08-29 2007-06-20 富士通株式会社 ヘッドアクチュエータ及びディスク装置
US6078475A (en) * 1997-10-08 2000-06-20 International Business Machines Corporation Low friction pivot for rotary actuator in disk drive
US6191924B1 (en) * 1997-10-16 2001-02-20 Seagate Technology Llc Bearing for an actuator of a disc drive
EP0957480A1 (de) * 1998-05-15 1999-11-17 Deutsche Thomson-Brandt Gmbh Platten Laufwerk mit Kompensation der Exzentrizität einer Platte
US6400533B1 (en) * 1999-06-30 2002-06-04 Seagate Technology Llc Disc drive actuator latch system for high rotational shock
US6411471B1 (en) 1999-06-30 2002-06-25 Seagate Technology Llc Low friction bearing pivot for disc drive
US6545381B1 (en) * 1999-07-17 2003-04-08 Papst-Motoren Gmbh & Co. Kg Small electric motor with axial bearing
US6422080B1 (en) 2000-02-07 2002-07-23 Seagate Technology Llc Resonance control method for a disc drive actuator assembly having discrete bearings
US6560856B1 (en) 2000-06-26 2003-05-13 International Business Machines Corporation Self-aligning fixture for pre-loading and aligning pivot bearing assemblies
US6744605B2 (en) 2001-04-10 2004-06-01 Seagate Technology Llc Low-profile pivot assembly
JP2003013957A (ja) * 2001-04-24 2003-01-15 Ferrotec Corp 磁性流体を使用したｈｄｄ用ピボット軸受
US6856491B1 (en) 2001-11-30 2005-02-15 Western Digital Technologies, Inc. Pivot bearing cartridge including central pivot element and ball bearing set
DE60227841D1 (de) * 2001-12-18 2008-09-04 Mitsuboshi Diamond Ind Co Ltd Spitzenhalter und herstellungsverfahren dafür sowie ritzvorrichtung und handschneider mit dem spitzenhalter
US6713918B2 (en) * 2002-05-20 2004-03-30 Oliver Laing Spherical bearing for electrical machines with permanent magnetic rotors
US20040000824A1 (en) * 2002-05-20 2004-01-01 Laing Karsten A. Electrical motor with spherically supported rotor
US20040104631A1 (en) * 2002-12-03 2004-06-03 Tokyo Parts Industrial Co., Ltd. Brushless vibration motor
US7659648B2 (en) * 2004-03-10 2010-02-09 Comair Rotron Inc. Motor with raised rotor
KR100594273B1 (ko) * 2004-05-07 2006-06-30 삼성전자주식회사 피봇축 고정 구조체와 이를 구비한 하드 디스크 드라이브
KR100872549B1 (ko) * 2006-05-04 2008-12-08 엘지이노텍 주식회사 스핀들 모터
JP2008138736A (ja) * 2006-11-30 2008-06-19 Sii Micro Precision Kk 軸受装置
US8218256B1 (en) 2009-10-30 2012-07-10 Western Digital Technologies, Inc. Disk spindle assembly cartridge
US8270118B1 (en) * 2009-10-30 2012-09-18 Western Digital Technologies, Inc. Head stack assembly cartridge
US8432630B1 (en) 2010-06-30 2013-04-30 Western Digital Technologies, Inc. Disk drive component test system
JP5943549B2 (ja) * 2011-02-24 2016-07-05 株式会社不二工機 電動弁
CN104343702A (zh) * 2013-07-25 2015-02-11 纬创资通股份有限公司 风扇装置及电子装置
DE102014100377B3 (de) * 2014-01-14 2014-12-24 J.G.Anschütz GmbH & Co. KG Abzugssystem einer Schusswaffe
JP6275658B2 (ja) * 2015-02-18 2018-02-07 日東電工株式会社 回路付サスペンション基板
RS61491B1 (sr) * 2015-04-13 2021-03-31 Belenos Clean Power Holding Ag Kompresor sa dva sferna elementa koja su potpora vratilu
JP2018093575A (ja) * 2016-11-30 2018-06-14 日本電産株式会社 ステータユニットおよびモータ
US10978099B2 (en) * 2017-01-25 2021-04-13 Galleon International Corporation Bearing systems
US10673297B2 (en) 2017-12-11 2020-06-02 Mcmillan Electric Company Impact resistant electric motor
US11096304B2 (en) 2019-12-06 2021-08-17 Hewlett-Packard Development Company, L.P. Cages for electronic components

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1920546A (en) * 1930-02-07 1933-08-01 Brunner August Gottfried Bearing support
US2063787A (en) * 1934-09-24 1936-12-08 Torrington Co Antifriction bearing and method of making the same
US2216726A (en) 1938-09-03 1940-10-08 Alfred E Andersen Bearing
US2544166A (en) * 1945-05-28 1951-03-06 Landis & Gyr Ag Meter bearing
US3655226A (en) 1970-08-03 1972-04-11 C R C Ind Bearing assembly
US4265498A (en) * 1979-04-06 1981-05-05 Barry Wright Corporation Thrust bearing
NL8102522A (nl) * 1981-05-22 1982-12-16 Philips Nv Zwenkarminrichting voor magneetschijfgeheugeninrichting.
DE3447162A1 (de) 1984-12-22 1986-07-03 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Vorrichtung zur lagerung von gewindespindeln
JPS61192926A (ja) * 1985-02-19 1986-08-27 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション スピンドル組立体
JPS62124920U (de) 1986-01-29 1987-08-08
JPS62255611A (ja) * 1986-04-28 1987-11-07 Toshiba Corp 弾性軸受
US5051855A (en) * 1986-10-02 1991-09-24 Seagate Technology, Inc. Rotary actuator
JPH0417865Y2 (de) * 1986-12-15 1992-04-21
US4856918A (en) * 1987-03-10 1989-08-15 Nippon Seiko Kabushiki Kaisha Bearing device
AU1358188A (en) * 1987-03-30 1988-09-29 Seagate Technology, Inc. Bi-compliant rotor stepper motor for an actuator in disc drives
US4865529A (en) * 1987-12-03 1989-09-12 Rockwell International Corporation Rotor transient positioning assembly
DE3930365A1 (de) 1989-09-12 1991-03-21 Fritz Stahlecker Lagerung fuer einen oe-spinnrotor
JPH07106044B2 (ja) 1990-11-16 1995-11-13 マブチモーター株式会社 モータ出力軸位置決め装置
US5200866A (en) 1991-04-09 1993-04-06 Digital Equipment Corporation Motorized spindle for disk drive
US5328272A (en) * 1991-12-23 1994-07-12 International Business Machines Spindle system for a disk drive
JPH05176520A (ja) * 1991-12-25 1993-07-13 Matsushita Electric Ind Co Ltd ステッピングモータの軸受構造
US5291355A (en) 1992-03-10 1994-03-01 Nec Corporation Micro miniature hard disk drive
US5328271A (en) * 1992-05-06 1994-07-12 Maxtor Corporation Hydrodynamic spindle bearing for ultra-slim disk storage unit
EP0599563A1 (de) * 1992-11-23 1994-06-01 Quantum Corporation Lager mit geringer Reibung
EP0701069B1 (de) * 1993-09-03 2000-05-10 Minebea Co.,Ltd. Lageranordnung für einen Motor eines Diskettenantriebs
US5541460A (en) * 1994-02-25 1996-07-30 Seagate Technology, Inc. Passive magnetic bearings for a spindle motor

Also Published As

Publication number Publication date
HUP9603626A3 (en) 2000-03-28
SG38936A1 (en) 1997-04-17
PL180164B1 (pl) 2000-12-29
KR100235886B1 (ko) 1999-12-15
RU2137217C1 (ru) 1999-09-10
WO1996037884A1 (en) 1996-11-28
CN1091293C (zh) 2002-09-18
ES2162073T3 (es) 2001-12-16
DE69614966T2 (de) 2002-04-11
ATE205325T1 (de) 2001-09-15
CZ9700045A3 (cs) 2001-10-17
US5755518A (en) 1998-05-26
JP3574263B2 (ja) 2004-10-06
MY117717A (en) 2004-07-31
US5938348A (en) 1999-08-17
US6222291B1 (en) 2001-04-24
EP0772872A1 (de) 1997-05-14
HU221356B1 (en) 2002-09-28
HU76462A2 (en) 1997-09-29
CN1140876A (zh) 1997-01-22
US5835309A (en) 1998-11-10
JPH08321145A (ja) 1996-12-03
PL318096A1 (en) 1997-05-12
EP0772872B1 (de) 2001-09-05
CZ289021B6 (cs) 2001-10-17

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: INTERNATIONAL BUSINESS MACHINES CORP., ARMONK, N.Y

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

Owner name: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.

Owner name: IBM UNITED KINGDOM LTD., PORTSMOUTH, HAMPSHIRE, GB