DE69828831D1 - Festplatteneinheit - Google Patents

Festplatteneinheit

Info

Publication number
DE69828831D1
DE69828831D1 DE69828831T DE69828831T DE69828831D1 DE 69828831 D1 DE69828831 D1 DE 69828831D1 DE 69828831 T DE69828831 T DE 69828831T DE 69828831 T DE69828831 T DE 69828831T DE 69828831 D1 DE69828831 D1 DE 69828831D1
Authority
DE
Germany
Prior art keywords
hard disk
disk unit
unit
hard
disk
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
DE69828831T
Other languages
English (en)
Other versions
DE69828831T2 (de
Inventor
Rikuro Obara
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
Application granted granted Critical
Publication of DE69828831D1 publication Critical patent/DE69828831D1/de
Publication of DE69828831T2 publication Critical patent/DE69828831T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • 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
    • 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)
  • Rotational Drive Of Disk (AREA)
  • Rolling Contact Bearings (AREA)
  • Motor Or Generator Frames (AREA)
DE69828831T 1997-02-14 1998-02-12 Festplatteneinheit Expired - Fee Related DE69828831T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9047125A JPH10228720A (ja) 1997-02-14 1997-02-14 ハードディスクドライブ装置
JP4712597 1997-02-14

Publications (2)

Publication Number Publication Date
DE69828831D1 true DE69828831D1 (de) 2005-03-10
DE69828831T2 DE69828831T2 (de) 2006-01-12

Family

ID=12766439

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69828831T Expired - Fee Related DE69828831T2 (de) 1997-02-14 1998-02-12 Festplatteneinheit

Country Status (4)

Country Link
US (1) US5933292A (de)
EP (1) EP0859361B1 (de)
JP (1) JPH10228720A (de)
DE (1) DE69828831T2 (de)

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
JP2001061251A (ja) * 1999-08-23 2001-03-06 Minebea Co Ltd ディスク駆動装置用スピンドルモータ
JP2001309606A (ja) * 2000-04-19 2001-11-02 Minebea Co Ltd Ｏａ機器用の複合軸受電動機
JP4460730B2 (ja) * 2000-07-11 2010-05-12 ミネベア株式会社 スピンドルモータ
JP2002034198A (ja) * 2000-07-18 2002-01-31 Minebea Co Ltd スピンドルモータ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080171A (ja) * 1983-10-07 1985-05-08 Hitachi Ltd 軸受装置
JPS60256983A (ja) * 1984-06-01 1985-12-18 Koyo Seiko Co Ltd デイスク状記録担体の読みとり装置用スピンドルユニツト
DE3540363A1 (de) * 1984-12-19 1986-06-19 FAG Kugelfischer Georg Schäfer KGaA, 8720 Schweinfurt Spindel, insbesondere plattenspeicherspindel
US5045738A (en) * 1989-02-22 1991-09-03 Nippon Densan Corporation Spindle motor
DE532609T1 (de) * 1990-06-01 1994-02-24 Conner Peripherals Inc Mehrplattenantrieb mit zwei und ein halb zölligem durchmesser.
US5533812A (en) * 1994-07-22 1996-07-09 Seagate Technology, Inc. Single plate hydrodynamic bearing with self-balancing fluid level
JPH0956110A (ja) * 1995-08-09 1997-02-25 Minebea Co Ltd 複合軸受装置を備えるモータ

Also Published As

Publication number Publication date
EP0859361A1 (de) 1998-08-19
US5933292A (en) 1999-08-03
EP0859361B1 (de) 2005-02-02
JPH10228720A (ja) 1998-08-25
DE69828831T2 (de) 2006-01-12

Similar Documents

Publication Publication Date Title
DE69530012D1 (de) Festplatte
DE69701242T2 (de) Platteneinheit
DE69815299D1 (de) Plattenkassette
DE69819834D1 (de) Plattenkassette
DE69815036D1 (de) Plattenvorrichtung
ID20724A (id) Penggerak disk
DE69932894D1 (de) Plattenkassette
DE69928179D1 (de) Plattenkassette
DE69902699D1 (de) Plattenkassette
DE69616047T2 (de) Doppelscheibenrefiner
DE69935830D1 (de) Plattenkassette
DE69816926D1 (de) Plattenlaufwerk
DE69932110D1 (de) Plattenkassette
DE69927336D1 (de) Plattenkassette
DE69806888T2 (de) Plattengerät
DE69816258D1 (de) Plattenkassette
DE69828831D1 (de) Festplatteneinheit
DE69825941D1 (de) Plattenkassette
DE69811806T2 (de) Plattenlaufwerk
DE59801559D1 (de) Compact Disk
DE69805110D1 (de) Plattengerät
DE69811808T2 (de) Plattenlaufwerk
DE69814190D1 (de) Plattengerät
ID22163A (id) Selongsong disk
DE69623826D1 (de) Plattenkassette

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee