JPS55163320A - Rotational device - Google Patents

Rotational device

Info

Publication number
JPS55163320A
JPS55163320A JP7092079A JP7092079A JPS55163320A JP S55163320 A JPS55163320 A JP S55163320A JP 7092079 A JP7092079 A JP 7092079A JP 7092079 A JP7092079 A JP 7092079A JP S55163320 A JPS55163320 A JP S55163320A
Authority
JP
Japan
Prior art keywords
bearing
thrust
microgroove
spiral
rotation shaft
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.)
Granted
Application number
JP7092079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6238568B2 (enrdf_load_html_response
Inventor
Teruo Maruyama
Toshitoki Inoue
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7092079A priority Critical patent/JPS55163320A/ja
Publication of JPS55163320A publication Critical patent/JPS55163320A/ja
Publication of JPS6238568B2 publication Critical patent/JPS6238568B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Sliding-Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
JP7092079A 1979-06-05 1979-06-05 Rotational device Granted JPS55163320A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7092079A JPS55163320A (en) 1979-06-05 1979-06-05 Rotational device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7092079A JPS55163320A (en) 1979-06-05 1979-06-05 Rotational device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP15534489A Division JPH0235215A (ja) 1989-06-16 1989-06-16 回転装置

Publications (2)

Publication Number Publication Date
JPS55163320A true JPS55163320A (en) 1980-12-19
JPS6238568B2 JPS6238568B2 (enrdf_load_html_response) 1987-08-18

Family

ID=13445414

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7092079A Granted JPS55163320A (en) 1979-06-05 1979-06-05 Rotational device

Country Status (1)

Country Link
JP (1) JPS55163320A (enrdf_load_html_response)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854853A (ja) * 1981-09-29 1983-03-31 Toshiba Corp モ−タ
JPS58109715A (ja) * 1981-12-21 1983-06-30 Matsushita Electric Ind Co Ltd 流体軸受装置
JPS58190250A (ja) * 1982-04-29 1983-11-07 Mitsubishi Electric Corp 水中電動機
JPS61269637A (ja) * 1986-05-14 1986-11-29 Toshiba Corp 光偏向用モ−タ
US4641332A (en) * 1983-11-08 1987-02-03 U.S. Philips Corporation X-ray tube comprising anode disc rotatably supported by bearing having push-pull bearing on an axial face
US4706143A (en) * 1982-09-30 1987-11-10 Matsushita Electric Industrial Co., Ltd. Rotary head cylinder device with fluid bearing
US4706144A (en) * 1982-09-30 1987-11-10 Matsushita Electric Industrial Co., Ltd. Rotary head device with fluid bearing
JPH06150529A (ja) * 1992-11-12 1994-05-31 Nec Corp 磁気ディスク装置用スピンドルモータ
JPH07182636A (ja) * 1993-11-13 1995-07-21 Samsung Electron Co Ltd 磁気記録再生装置のヘッドドラム
JP2000041360A (ja) * 1998-07-22 2000-02-08 Seiko Instruments Inc 液体動圧軸受及びこれを用いたスピンドルモータ、ハードディスクドライブ装置、スキャナモータ

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854853A (ja) * 1981-09-29 1983-03-31 Toshiba Corp モ−タ
JPS58109715A (ja) * 1981-12-21 1983-06-30 Matsushita Electric Ind Co Ltd 流体軸受装置
JPS58190250A (ja) * 1982-04-29 1983-11-07 Mitsubishi Electric Corp 水中電動機
US4706143A (en) * 1982-09-30 1987-11-10 Matsushita Electric Industrial Co., Ltd. Rotary head cylinder device with fluid bearing
US4706144A (en) * 1982-09-30 1987-11-10 Matsushita Electric Industrial Co., Ltd. Rotary head device with fluid bearing
US4641332A (en) * 1983-11-08 1987-02-03 U.S. Philips Corporation X-ray tube comprising anode disc rotatably supported by bearing having push-pull bearing on an axial face
JPS61269637A (ja) * 1986-05-14 1986-11-29 Toshiba Corp 光偏向用モ−タ
JPH06150529A (ja) * 1992-11-12 1994-05-31 Nec Corp 磁気ディスク装置用スピンドルモータ
JPH07182636A (ja) * 1993-11-13 1995-07-21 Samsung Electron Co Ltd 磁気記録再生装置のヘッドドラム
JP2000041360A (ja) * 1998-07-22 2000-02-08 Seiko Instruments Inc 液体動圧軸受及びこれを用いたスピンドルモータ、ハードディスクドライブ装置、スキャナモータ

Also Published As

Publication number Publication date
JPS6238568B2 (enrdf_load_html_response) 1987-08-18

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