JPH0146936B2 - - Google Patents

Info

Publication number
JPH0146936B2
JPH0146936B2 JP59162450A JP16245084A JPH0146936B2 JP H0146936 B2 JPH0146936 B2 JP H0146936B2 JP 59162450 A JP59162450 A JP 59162450A JP 16245084 A JP16245084 A JP 16245084A JP H0146936 B2 JPH0146936 B2 JP H0146936B2
Authority
JP
Japan
Prior art keywords
bearing
hub
housing
shaft
reference surface
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
JP59162450A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6139975A (ja
Inventor
Hiroshi Nishida
Fujio Yamamoto
Mikio Azuma
Atsushi Naruse
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP16245084A priority Critical patent/JPS6139975A/ja
Priority to US06/760,174 priority patent/US4677509A/en
Priority to DE8585109548T priority patent/DE3576053D1/de
Priority to EP85109548A priority patent/EP0172459B1/en
Publication of JPS6139975A publication Critical patent/JPS6139975A/ja
Publication of JPH0146936B2 publication Critical patent/JPH0146936B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02Details
    • G11B17/038Centering or locking of a plurality of discs in a single cartridge
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/20Driving; Starting; Stopping; Control thereof

Landscapes

  • Rotational Drive Of Disk (AREA)
JP16245084A 1984-07-31 1984-07-31 磁気デイスク用スピンドル組立体 Granted JPS6139975A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP16245084A JPS6139975A (ja) 1984-07-31 1984-07-31 磁気デイスク用スピンドル組立体
US06/760,174 US4677509A (en) 1984-07-31 1985-07-29 Spindle assembly for magnetic disks
DE8585109548T DE3576053D1 (de) 1984-07-31 1985-07-30 Spindelaufbau fuer magnetische platten.
EP85109548A EP0172459B1 (en) 1984-07-31 1985-07-30 Spindle assembly for magnetic disks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16245084A JPS6139975A (ja) 1984-07-31 1984-07-31 磁気デイスク用スピンドル組立体

Publications (2)

Publication Number Publication Date
JPS6139975A JPS6139975A (ja) 1986-02-26
JPH0146936B2 true JPH0146936B2 (US07655688-20100202-C00086.png) 1989-10-11

Family

ID=15754839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16245084A Granted JPS6139975A (ja) 1984-07-31 1984-07-31 磁気デイスク用スピンドル組立体

Country Status (4)

Country Link
US (1) US4677509A (US07655688-20100202-C00086.png)
EP (1) EP0172459B1 (US07655688-20100202-C00086.png)
JP (1) JPS6139975A (US07655688-20100202-C00086.png)
DE (1) DE3576053D1 (US07655688-20100202-C00086.png)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE37058E1 (en) 1980-05-10 2001-02-20 Papst Licensing Gmbh & Co. Kg Disk storage device having contamination seals
US4779165A (en) * 1981-09-07 1988-10-18 Papst-Motoren Gmbh & Co. Kg Disk storage drive
US5216557A (en) * 1981-09-07 1993-06-01 Papst-Motoren Gmbh & Co. Kg Disk storage device having a brushless dc drive motor
USRE38601E1 (en) 1980-05-10 2004-09-28 Papst Licensing, GmbH & Co. KG Disk storage device having a radial magnetic yoke feature
USRE38673E1 (en) 1980-05-10 2004-12-21 Papst Licensing Gmbh & Co. Kg Disk storage device having a hub sealing member feature
USRE38662E1 (en) 1980-05-10 2004-11-30 Papst Licensing Gmbh & Co. Kg Disk storage device having a sealed bearing tube
CH670323A5 (US07655688-20100202-C00086.png) * 1985-03-30 1989-05-31 Papst Motoren Gmbh & Co Kg
US5023733A (en) * 1985-12-16 1991-06-11 Seiko Epson Corporation Head positioning control for a spindle motor disk drive
US5184257A (en) * 1985-12-16 1993-02-02 Seiko Epson Corporation Head positioning control for a spindle motor disk drive
JPS62186840U (US07655688-20100202-C00086.png) * 1986-05-19 1987-11-27
JPS63175282A (ja) * 1987-01-14 1988-07-19 Fujitsu Ltd 磁気デイスク装置の分割構造
USRE34270E (en) * 1987-01-14 1993-06-01 Fujitsu Limited Divided housing for supporting magnetic disks
US4835637A (en) * 1987-09-08 1989-05-30 International Business Machines Corporation Disk file with in-hub motor
US4974104A (en) * 1988-09-27 1990-11-27 International Business Machines Corporation Linear actuator disk file with symmetric housing
US4985793A (en) * 1988-11-10 1991-01-15 Conner Peripherals, Inc. Voice coil activated disk drive parking device with magnetic bias
JP2669549B2 (ja) * 1988-12-14 1997-10-29 株式会社日立製作所 磁気デイスク装置
US5143459A (en) * 1990-12-26 1992-09-01 Storage Technology Corporation Bayonet spindle mount and a method therefore
JP3023013B2 (ja) * 1991-07-08 2000-03-21 クラリオン株式会社 ケースの組立構造
JPH06124533A (ja) * 1992-10-12 1994-05-06 Sankyo Seiki Mfg Co Ltd 磁気ディスク駆動モータ
US5859745A (en) * 1993-11-02 1999-01-12 Seagate Technology, Inc. Split ring mounting for disk drive spindle and actuator shafts
US6271988B1 (en) 1997-01-04 2001-08-07 Papst Licensing Gmbh & Co. Kg Disk storage device with improved spindle torque and acceleration
AU2383297A (en) * 1997-04-01 1998-10-22 Papst Licensing Gmbh Disk storage device with improved spindle torque and acceleration
WO1998044501A1 (en) * 1997-04-01 1998-10-08 Papst Licensing Gmbh Disk storage device with improved spindle torque and acceleration
US6344946B1 (en) 1997-04-01 2002-02-05 Papst Licensing Gmbh Disk storage device with improved spindle torque and acceleration
US6148501A (en) * 1998-04-14 2000-11-21 Seagate Technology Llc Fabrication means for in-hub spindle with separate fluid dynamic bearings
US6504672B1 (en) * 1999-05-07 2003-01-07 Seagate Technology Llc Housing cover with spindle cap
SG115341A1 (en) 2000-06-14 2005-10-28 Inst Data Storage Electric spindle motor and method having magnetic starting/stopping device
WO2004049338A1 (en) * 2002-11-25 2004-06-10 Sae Magnetics (H.K.) Ltd. Hard disk drive device and method of assembling the hard disk drive device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101945A (en) * 1976-09-07 1978-07-18 Sycor, Inc. Drive spindle assembly for disc file
US4190870A (en) * 1978-07-05 1980-02-26 International Business Machines Corporation Disk drive assembly
US4363056A (en) * 1980-02-29 1982-12-07 Digital Equipment Corporation Disk housing for disk drive mass storage unit
US4519010A (en) * 1980-12-05 1985-05-21 Papst-Motoren Gmbh & Co. Kg Driving mechanism for magnetic hard disc memories
JPS6058548B2 (ja) * 1980-10-29 1985-12-20 富士通株式会社 磁気ディスク装置
DE8113463U1 (de) * 1981-05-07 1981-10-08 Biermeier, Johann, Ing.(grad.), 8000 München Plattenkassette fuer datenspeichergeraet
US4395077A (en) * 1981-07-27 1983-07-26 Sperry Corporation Spindle assembly
US4491888A (en) * 1982-06-28 1985-01-01 Atasi Corporation Memory storage apparatus having vibration-dampened base plate arrangement
US4553183A (en) * 1982-06-28 1985-11-12 Atasi Corporation Memory storage apparatus having improved housing and base plate arrangement

Also Published As

Publication number Publication date
JPS6139975A (ja) 1986-02-26
US4677509A (en) 1987-06-30
EP0172459B1 (en) 1990-02-14
DE3576053D1 (de) 1990-03-22
EP0172459A3 (en) 1986-03-05
EP0172459A2 (en) 1986-02-26

Similar Documents

Publication Publication Date Title
JPH0146936B2 (US07655688-20100202-C00086.png)
US20130300234A1 (en) Motor and disk drive apparatus
US8754554B2 (en) Motor and disk drive apparatus
US6005312A (en) High speed, high torque multipole brushless motor
JPH0435835B2 (US07655688-20100202-C00086.png)
JP2828171B2 (ja) カプセル封入形ステップモータ
JP3529630B2 (ja) スピンドルモータ
US5231557A (en) Magnetic disk apparatus having rotary type actuator and a height reducing return spring
JP2830343B2 (ja) 磁気ディスク駆動装置用モータの組立方法
JP3439954B2 (ja) アウターロータ型ステッピングモータ
JP3793670B2 (ja) モータの取付機構及び取付方法
JP2651925B2 (ja) ディスク装置の片側から組込まれるディスク駆動用モータ
JPH05168212A (ja) ブラシレスモータ
JP2000102210A (ja) ブラシレスモータおよびブラシレスモータの製造方法
JPH0322668B2 (US07655688-20100202-C00086.png)
JP3157897B2 (ja) スピンドルモータ
US6735045B2 (en) Hard disk device having a shroud member fixed on a base as a separate member
JPS63154056A (ja) コアレスモ−タの製造方法
JP3104286B2 (ja) モールドモータ及びその製造方法
JPS61165874A (ja) 磁気デイスク装置
JP2559224Y2 (ja) スピンドルモータ
KR100427353B1 (ko) 스핀들모터 어셈블리의 턴테이블 진동변위 개선방법
KR900008919Y1 (ko) 소형 모터
KR0165285B1 (ko) 테이프 레코더의 드럼장치
JP2002051494A (ja) キャプスタンモータ

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term