JPH0421844B2 - - Google Patents

Info

Publication number
JPH0421844B2
JPH0421844B2 JP57107529A JP10752982A JPH0421844B2 JP H0421844 B2 JPH0421844 B2 JP H0421844B2 JP 57107529 A JP57107529 A JP 57107529A JP 10752982 A JP10752982 A JP 10752982A JP H0421844 B2 JPH0421844 B2 JP H0421844B2
Authority
JP
Japan
Prior art keywords
spindle
housing
bearing
rotor
hollow portion
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
JP57107529A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58224324A (ja
Inventor
Kyoshi Kamya
Katsunobu Ueda
Mitsuo Sumya
Tameyasu Tsukada
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP57107529A priority Critical patent/JPS58224324A/ja
Priority to EP83105665A priority patent/EP0097852B1/en
Priority to DE8383105665T priority patent/DE3373555D1/de
Priority to US06/504,424 priority patent/US4512626A/en
Publication of JPS58224324A publication Critical patent/JPS58224324A/ja
Publication of JPH0421844B2 publication Critical patent/JPH0421844B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
    • B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
    • 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
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/028—Sliding-contact bearings for exclusively rotary movement for radial load only with fixed wedges to generate hydrodynamic pressure, e.g. multi-lobe 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/1075—Wedges, e.g. ramps or lobes, for generating pressure
    • 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
    • F16C39/00—Relieving load on bearings
    • F16C39/06—Relieving load on bearings using magnetic means
    • F16C39/063—Permanent magnets
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/121—Mechanical drive devices for polygonal mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/09—Multifaceted or polygonal mirrors, e.g. polygonal scanning mirrors; Fresnel mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/09—Structural association with bearings with magnetic 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/20—Optical, e.g. movable lenses or mirrors; Spectacles
    • F16C2370/22—Polygon mirror
    • 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
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
JP57107529A 1982-06-24 1982-06-24 回転鏡光偏向器 Granted JPS58224324A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57107529A JPS58224324A (ja) 1982-06-24 1982-06-24 回転鏡光偏向器
EP83105665A EP0097852B1 (en) 1982-06-24 1983-06-09 Rotating mirror scanner
DE8383105665T DE3373555D1 (en) 1982-06-24 1983-06-09 Rotating mirror scanner
US06/504,424 US4512626A (en) 1982-06-24 1983-06-15 Rotating mirror scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57107529A JPS58224324A (ja) 1982-06-24 1982-06-24 回転鏡光偏向器

Publications (2)

Publication Number Publication Date
JPS58224324A JPS58224324A (ja) 1983-12-26
JPH0421844B2 true JPH0421844B2 (en]) 1992-04-14

Family

ID=14461498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57107529A Granted JPS58224324A (ja) 1982-06-24 1982-06-24 回転鏡光偏向器

Country Status (4)

Country Link
US (1) US4512626A (en])
EP (1) EP0097852B1 (en])
JP (1) JPS58224324A (en])
DE (1) DE3373555D1 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012193854A (ja) * 2007-04-25 2012-10-11 Fuzhun Precision Industry (Shenzhen) Co Ltd 動圧軸受とこの動圧軸受を備えた放熱ファン

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4623216A (en) * 1983-02-10 1986-11-18 Canon Kabushiki Kaisha Light beam scanning apparatus
JPS607005U (ja) * 1983-06-24 1985-01-18 株式会社ミツトヨ 光学式測定機における光線ビ−ム変換装置
US4691998A (en) * 1983-09-09 1987-09-08 Matsushita Electric Industrial Co., Ltd. Polygon mirror construction
JPS60186820A (ja) * 1984-03-07 1985-09-24 Toshiba Corp 光偏向装置
JPS60244919A (ja) * 1984-05-21 1985-12-04 Toshiba Corp 回転体の支持装置
JPS6194017A (ja) * 1984-10-16 1986-05-12 Toshiba Corp 光偏向装置
JPS634172Y2 (en]) * 1985-04-15 1988-02-02
US4958098A (en) * 1986-12-16 1990-09-18 Eastman Kodak Company Rotary device
JPH0642094Y2 (ja) * 1987-03-13 1994-11-02 株式会社コパル 流体軸受
US4792198A (en) * 1987-06-18 1988-12-20 Spectra-Physics, Inc. Method and apparatus for rotating one or more mirrors in a beam scanning system
US5173797A (en) * 1990-05-08 1992-12-22 Xerox Corporation Rotating mirror optical scanner with grooved grease bearings
US5019738A (en) * 1990-07-16 1991-05-28 Lincoln Laser Company Self-pressurizing gas supported surface-roughness bearing
JPH04307108A (ja) * 1991-04-04 1992-10-29 Ebara Corp 動圧軸受装置
US5289067A (en) * 1992-01-31 1994-02-22 Nsk Ltd. Bearing device
US5434695A (en) * 1992-04-21 1995-07-18 Hitachi Koki Co., Ltd. Dynamic pressure bearing and rotary polygon mirror device with the bearing
EP0618469A3 (en) * 1993-03-31 1997-02-05 Canon Kk Optical deflector.
US5461498A (en) * 1993-05-26 1995-10-24 Brother Kogyo Kabushiki Kaisha Light scanning device
JPH08223858A (ja) * 1994-12-15 1996-08-30 Canon Inc インナーロータモータ
WO1997041362A1 (fr) * 1996-04-30 1997-11-06 Sumitomo Electric Industries, Ltd. Structure de palier a gaz sous pression dynamique, procede pour sa production et procede pour son utilisation
JP4258026B2 (ja) 1997-02-28 2009-04-30 住友電気工業株式会社 動圧気体軸受構造およびその製造方法
DE69922748T2 (de) 1998-03-10 2005-05-25 Sumitomo Electric Industries, Ltd. Dynamische gasdrucklagervorrichtung
JP2000002233A (ja) 1998-06-12 2000-01-07 Sumitomo Electric Ind Ltd 動圧気体軸受およびその製造方法
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
US6304359B1 (en) 1999-07-20 2001-10-16 Lasesys Corporation High scan efficiency galvanometric laser scanning device
US6338681B1 (en) * 2000-06-09 2002-01-15 Aurise Inc. Magnetic transmission structure
TWI244320B (en) * 2004-10-20 2005-11-21 Asia Optical Co Inc Scanning unit having anti-reflective layers with high reflectivity
JP5609060B2 (ja) * 2009-10-23 2014-10-22 コニカミノルタ株式会社 動力伝達装置
DE102015201251A1 (de) * 2015-01-26 2016-07-28 Schaeffler Technologies AG & Co. KG Gleitlageranordnung für eine mit einer umlaufenden Radialkraft belasteten Welle
JP2017011448A (ja) * 2015-06-19 2017-01-12 日本電産株式会社 モータ
CN108317155A (zh) * 2017-01-16 2018-07-24 浙江师范大学 一种用于电动转向传动装置带锁紧防松机构的扭杆轴
JP2018169546A (ja) * 2017-03-30 2018-11-01 日本電産株式会社 ハウジング、ハウジングユニット、およびケーシングユニット
JP2019012105A (ja) * 2017-06-29 2019-01-24 日本電産株式会社 ケーシングユニット

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953447A (en]) * 1972-09-22 1974-05-24
JPS536854B2 (en]) * 1972-12-27 1978-03-11
JPS536854A (en) * 1976-07-07 1978-01-21 Tokyo Electric Power Co Inc:The Digital protective relay inspection system
JPS6010282B2 (ja) * 1976-11-09 1985-03-16 キヤノン株式会社 光偏向装置
JPS5635118A (en) * 1979-08-29 1981-04-07 Canon Inc Optical deflector
JPS56101120A (en) * 1980-01-16 1981-08-13 Fuji Photo Optical Co Ltd Photoscanner device
JPS576359U (en]) * 1980-06-09 1982-01-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012193854A (ja) * 2007-04-25 2012-10-11 Fuzhun Precision Industry (Shenzhen) Co Ltd 動圧軸受とこの動圧軸受を備えた放熱ファン

Also Published As

Publication number Publication date
DE3373555D1 (en) 1987-10-15
JPS58224324A (ja) 1983-12-26
EP0097852A3 (en) 1984-02-22
US4512626A (en) 1985-04-23
EP0097852A2 (en) 1984-01-11
EP0097852B1 (en) 1987-09-09

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