JP2000074052A - 複合軸受装置および同軸受装置を備えるスピンドルモータならびにハードディスクドライブ装置用スイングアームアセンブリ - Google Patents

複合軸受装置および同軸受装置を備えるスピンドルモータならびにハードディスクドライブ装置用スイングアームアセンブリ

Info

Publication number
JP2000074052A
JP2000074052A JP24220998A JP24220998A JP2000074052A JP 2000074052 A JP2000074052 A JP 2000074052A JP 24220998 A JP24220998 A JP 24220998A JP 24220998 A JP24220998 A JP 24220998A JP 2000074052 A JP2000074052 A JP 2000074052A
Authority
JP
Japan
Prior art keywords
ring
peripheral surface
rolling
row
inner peripheral
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.)
Withdrawn
Application number
JP24220998A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000074052A5 (enExample
Inventor
Rikuro Obara
陸郎 小原
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.)
Minebea Co Ltd
Original Assignee
Minebea Co 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 Minebea Co Ltd filed Critical Minebea Co Ltd
Priority to JP24220998A priority Critical patent/JP2000074052A/ja
Priority to DE1999618913 priority patent/DE69918913T2/de
Priority to EP19990306831 priority patent/EP0982508B1/en
Publication of JP2000074052A publication Critical patent/JP2000074052A/ja
Priority to US09/931,766 priority patent/US6582129B2/en
Priority to US10/425,577 priority patent/US20030206672A1/en
Publication of JP2000074052A5 publication Critical patent/JP2000074052A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • 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
    • F16C19/08—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 two or more rows of 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
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
    • F16C35/12—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
    • 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
    • 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
    • G11B17/038—Centering or locking of a plurality of discs in a single cartridge
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Rolling Contact Bearings (AREA)
JP24220998A 1998-08-27 1998-08-27 複合軸受装置および同軸受装置を備えるスピンドルモータならびにハードディスクドライブ装置用スイングアームアセンブリ Withdrawn JP2000074052A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP24220998A JP2000074052A (ja) 1998-08-27 1998-08-27 複合軸受装置および同軸受装置を備えるスピンドルモータならびにハードディスクドライブ装置用スイングアームアセンブリ
DE1999618913 DE69918913T2 (de) 1998-08-27 1999-08-27 Zusammengesetzte Welle/Lagereinheit,und Spindelmotor und Schwingarm für einen Festplattenantrieb der eine solche Lagereinheit aufweist
EP19990306831 EP0982508B1 (en) 1998-08-27 1999-08-27 A compound shaft/bearing apparatus, and a spindle motor and a swing arm for a hard disk drive means including such bearing apparatus
US09/931,766 US6582129B2 (en) 1998-08-27 2001-08-20 Compound bearing apparatus, and spindle motor and swing arm for hard disk drive means including such bearing apparatus
US10/425,577 US20030206672A1 (en) 1998-08-27 2003-04-29 Compound bearing apparatus, and spindle motor and swing arm for hard disk drive means including such bearing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24220998A JP2000074052A (ja) 1998-08-27 1998-08-27 複合軸受装置および同軸受装置を備えるスピンドルモータならびにハードディスクドライブ装置用スイングアームアセンブリ

Publications (2)

Publication Number Publication Date
JP2000074052A true JP2000074052A (ja) 2000-03-07
JP2000074052A5 JP2000074052A5 (enExample) 2005-10-27

Family

ID=17085882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24220998A Withdrawn JP2000074052A (ja) 1998-08-27 1998-08-27 複合軸受装置および同軸受装置を備えるスピンドルモータならびにハードディスクドライブ装置用スイングアームアセンブリ

Country Status (3)

Country Link
EP (1) EP0982508B1 (enExample)
JP (1) JP2000074052A (enExample)
DE (1) DE69918913T2 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7384198B2 (en) * 2000-08-09 2008-06-10 Nsk Ltd. Rolling bearing
US7428125B2 (en) * 2004-03-24 2008-09-23 Hitachi Global Storage Technologies Netherlands B.V. Rotating disk storage device and pivot bearing
JP2014190615A (ja) * 2013-03-27 2014-10-06 Ebara Refrigeration Equipment & Systems Co Ltd ターボ冷凍機の圧縮機用電動機
JP2015208154A (ja) * 2014-04-22 2015-11-19 ファナック株式会社 軸受部品の飛散防止部材を備える電動機
JP2016517495A (ja) * 2013-03-14 2016-06-16 コーヨー ベアリングス ノース アメリカ エルエルシー ステアリング・コラム用の軸受アセンブリ
CN108267069A (zh) * 2016-12-30 2018-07-10 江苏核电有限公司 一种汽轮机发电机组悬轴摆度测量工具及方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11328835A (ja) * 1998-05-14 1999-11-30 Minebea Co Ltd モータおよび同モータを備えるハードディスクドライブ装置
JP2001309606A (ja) * 2000-04-19 2001-11-02 Minebea Co Ltd Ｏａ機器用の複合軸受電動機
US7195191B2 (en) * 2002-12-30 2007-03-27 Samsung Electronics Co., Ltd. Oil spattering prevention apparatus for tape recorder
CN102562821A (zh) * 2012-02-29 2012-07-11 杨丽萍 一种轴承外圈内侧的分瓣组合式挡圈
DE102014224957B3 (de) * 2014-12-05 2015-11-26 Schaeffler Technologies AG & Co. KG Spindelelement für einen Kugelgewindetrieb

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5547291A (en) * 1993-09-29 1996-08-20 Nsk, Ltd. Preloaded rolling bearing units
US5588753A (en) * 1994-08-17 1996-12-31 Kabushiki Kaisha Sankyo Seiki Seisakusho Disk drive motor with labyrinth seal
US5800069A (en) * 1995-07-07 1998-09-01 Obara; Rikuro Compound bearing assembly

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7384198B2 (en) * 2000-08-09 2008-06-10 Nsk Ltd. Rolling bearing
US7428125B2 (en) * 2004-03-24 2008-09-23 Hitachi Global Storage Technologies Netherlands B.V. Rotating disk storage device and pivot bearing
JP2016517495A (ja) * 2013-03-14 2016-06-16 コーヨー ベアリングス ノース アメリカ エルエルシー ステアリング・コラム用の軸受アセンブリ
US9945420B2 (en) 2013-03-14 2018-04-17 Koyo Bearings North America Llc Bearing assembly for steering column
US10458474B2 (en) 2013-03-14 2019-10-29 Koyo Bearings North America Llc Bearing assembly for steering column
JP2014190615A (ja) * 2013-03-27 2014-10-06 Ebara Refrigeration Equipment & Systems Co Ltd ターボ冷凍機の圧縮機用電動機
JP2015208154A (ja) * 2014-04-22 2015-11-19 ファナック株式会社 軸受部品の飛散防止部材を備える電動機
US9621006B2 (en) 2014-04-22 2017-04-11 Fanuc Corporation Electric motor with scatter preventing member of bearing part
CN108267069A (zh) * 2016-12-30 2018-07-10 江苏核电有限公司 一种汽轮机发电机组悬轴摆度测量工具及方法
CN108267069B (zh) * 2016-12-30 2023-09-08 江苏核电有限公司 一种汽轮机发电机组悬轴摆度测量工具及方法

Also Published As

Publication number Publication date
DE69918913T2 (de) 2005-07-14
DE69918913D1 (de) 2004-09-02
EP0982508B1 (en) 2004-07-28
EP0982508A3 (en) 2001-03-21
EP0982508A2 (en) 2000-03-01

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