DE69618051T2 - Aerodynamische Gleitlagervorrichtung und abtastende optische Ablenkvorrichtung - Google Patents

Aerodynamische Gleitlagervorrichtung und abtastende optische Ablenkvorrichtung

Info

Publication number
DE69618051T2
DE69618051T2 DE69618051T DE69618051T DE69618051T2 DE 69618051 T2 DE69618051 T2 DE 69618051T2 DE 69618051 T DE69618051 T DE 69618051T DE 69618051 T DE69618051 T DE 69618051T DE 69618051 T2 DE69618051 T2 DE 69618051T2
Authority
DE
Germany
Prior art keywords
scanning optical
slide bearing
optical deflection
aerodynamic slide
bearing device
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
DE69618051T
Other languages
English (en)
Other versions
DE69618051D1 (de
Inventor
Kaoru Murabe
Tetsuya Katayama
Osamu Komura
Mikio Nakasugi
Taku Fukita
Isshin Sato
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.)
Canon Inc
Sumitomo Electric Industries Ltd
Original Assignee
Canon Inc
Sumitomo Electric Industries 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 Canon Inc, Sumitomo Electric Industries Ltd filed Critical Canon Inc
Publication of DE69618051D1 publication Critical patent/DE69618051D1/de
Application granted granted Critical
Publication of DE69618051T2 publication Critical patent/DE69618051T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/20—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with emergency supports or 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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion 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
    • F16C33/043—Sliding surface consisting mainly of ceramics, cermets or hard carbon, e.g. diamond like carbon [DLC]
    • 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
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G01D15/16—Recording elements transferring recording material, e.g. ink, to the recording surface
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Optics & Photonics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Laser Beam Printer (AREA)
DE69618051T 1995-03-13 1996-03-12 Aerodynamische Gleitlagervorrichtung und abtastende optische Ablenkvorrichtung Expired - Lifetime DE69618051T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5300395 1995-03-13
JP5300295 1995-03-13
JP04446496A JP3439292B2 (ja) 1995-03-13 1996-03-01 動圧気体軸受構造および光偏向走査装置

Publications (2)

Publication Number Publication Date
DE69618051D1 DE69618051D1 (de) 2002-01-31
DE69618051T2 true DE69618051T2 (de) 2002-06-20

Family

ID=27291912

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69618051T Expired - Lifetime DE69618051T2 (de) 1995-03-13 1996-03-12 Aerodynamische Gleitlagervorrichtung und abtastende optische Ablenkvorrichtung

Country Status (5)

Country Link
US (1) US5731831A (de)
EP (1) EP0732517B1 (de)
JP (1) JP3439292B2 (de)
KR (1) KR100222361B1 (de)
DE (1) DE69618051T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5900903A (en) * 1995-03-29 1999-05-04 Canon Kabushiki Kaisha Deflecting scanning apparatus
JPH10184685A (ja) * 1996-12-25 1998-07-14 Fuji Xerox Co Ltd 磁気軸受
EP0918169B1 (de) * 1997-02-28 2005-06-22 Sumitomo Electric Industries, Ltd. Dynamische gasdrucklagervorrichtung und herstellungsverfahren davon
GB9709347D0 (en) * 1997-05-08 1997-06-25 Westwind Air Bearings Ltd An improved air bearing
JPH1195153A (ja) 1997-09-24 1999-04-09 Canon Inc 回転装置及び該装置を用いた偏向走査装置
JP4235275B2 (ja) 1998-01-09 2009-03-11 キヤノン株式会社 画像形成装置
JP4026918B2 (ja) 1998-03-02 2007-12-26 キヤノン株式会社 レーザ駆動装置およびその制御方法
EP0982507B1 (de) 1998-03-10 2004-12-22 Sumitomo Electric Industries, Ltd. Dynamische gasdrucklagervorrichtung
JP2000314421A (ja) * 1999-04-30 2000-11-14 Sumitomo Electric Ind Ltd ラジアル／アキシャル複合軸受構造、及び同構造を持つスピンドルモータ
US6749339B1 (en) * 1999-09-03 2004-06-15 Sumitomo Electric Industries, Ltd. Hydrodynamic bearing assembly and spindle motor having the same
KR100376993B1 (ko) * 2000-03-27 2003-03-26 삼성전기주식회사 스캐너 모터
JP2002241172A (ja) 2001-02-13 2002-08-28 Ngk Spark Plug Co Ltd セラミック動圧軸受、軸受付きモータ、ハードディスク装置及びポリゴンスキャナ
JP2002266850A (ja) 2001-03-08 2002-09-18 Ngk Spark Plug Co Ltd ハードディスク装置
US7455456B2 (en) * 2003-01-10 2008-11-25 Sony Corporation Bearing unit and rotation drive device using the same
KR100730424B1 (ko) * 2003-02-04 2007-06-19 닛폰 하츠죠 가부시키가이샤 동압 베어링용 축, 동압 베어링 및 이 축의 제조 방법
JP2006046540A (ja) * 2004-08-05 2006-02-16 Matsushita Electric Ind Co Ltd 動圧流体軸受装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1613128B2 (de) * 1967-11-07 1976-02-05 Dieter Gräßlin Feinwerktechnik, 7742 St Georgen Anordnung zur lagerung einer welle mit unterbrochenem umfang
DE2952241A1 (de) * 1979-12-22 1981-07-02 Rolf Prof. Dr.-Ing. 5650 Solingen Seybold Mehrfflaechiges radialgleitlager
JPS58163818A (ja) * 1982-03-19 1983-09-28 Toshiba Corp 動圧気体軸受装置
US4747705A (en) * 1987-06-26 1988-05-31 United Technologies Corporation Power shaped multipad hydrodynamic journal bearing
JPS647849A (en) * 1987-06-30 1989-01-11 Takara Co Ltd Image reproducing printer
DE69125878T2 (de) * 1990-02-27 1997-12-18 Canon Kk Vorrichtung zum Abstützen einer Welle innerhalb einer Hülse mittels eines dynamischen Drucklagers
DE9112053U1 (de) * 1991-04-09 1992-01-09 Wunderlich, Erhard, Dr.-Ing., 7760 Radolfzell, De
JP2973651B2 (ja) * 1991-04-10 1999-11-08 住友電気工業株式会社 複合軸受構造
US5357272A (en) * 1991-07-29 1994-10-18 Canon Kabushiki Kaisha Deflection scanner which is elastically fixed in its housing
US5315196A (en) * 1991-08-08 1994-05-24 Canon Kabushiki Kaisha Shaft with grooves for dynamic pressure generation and motor employing the same
JPH0610945A (ja) * 1992-04-27 1994-01-21 Hitachi Koki Co Ltd 動圧軸受及びこれを用いた回転多面鏡装置
US5434695A (en) * 1992-04-21 1995-07-18 Hitachi Koki Co., Ltd. Dynamic pressure bearing and rotary polygon mirror device with the bearing
JP3170856B2 (ja) * 1992-04-21 2001-05-28 日立工機株式会社 回転多面鏡装置
GB9311231D0 (en) * 1993-06-01 1993-07-21 Westwind Air Bearings Ltd An improved air bearing
EP0658895B1 (de) * 1993-12-14 2000-07-05 Hitachi, Ltd. Aufzeichnungsplattengerät und rotierende Halterungsstruktur dafür

Also Published As

Publication number Publication date
KR960034781A (ko) 1996-10-24
US5731831A (en) 1998-03-24
EP0732517B1 (de) 2001-12-19
JP3439292B2 (ja) 2003-08-25
JPH0914257A (ja) 1997-01-14
EP0732517A1 (de) 1996-09-18
KR100222361B1 (ko) 1999-10-01
DE69618051D1 (de) 2002-01-31

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