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DE69015446D1 - Entwicklungsvorrichtungen für elektrofotografische Geräte. - Google Patents

Entwicklungsvorrichtungen für elektrofotografische Geräte.

Info

Publication number
DE69015446D1
DE69015446D1 DE69015446T DE69015446T DE69015446D1 DE 69015446 D1 DE69015446 D1 DE 69015446D1 DE 69015446 T DE69015446 T DE 69015446T DE 69015446 T DE69015446 T DE 69015446T DE 69015446 D1 DE69015446 D1 DE 69015446D1
Authority
DE
Germany
Prior art keywords
devices
electrophotographic
development
development devices
electrophotographic devices
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
DE69015446T
Other languages
English (en)
Other versions
DE69015446T2 (de
Inventor
Yukio Nishino
Kazunori Hirose
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fujitsu 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
Priority claimed from JP1139445A external-priority patent/JPH034258A/ja
Priority claimed from JP14121789A external-priority patent/JP2777906B2/ja
Priority claimed from JP1159320A external-priority patent/JPH0324571A/ja
Priority claimed from JP1163120A external-priority patent/JPH0328866A/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69015446D1 publication Critical patent/DE69015446D1/de
Application granted granted Critical
Publication of DE69015446T2 publication Critical patent/DE69015446T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0817—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0856—Detection or control means for the developer level
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
    • G03G15/0889—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for agitation or stirring
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0602—Developer
    • G03G2215/0604—Developer solid type
    • G03G2215/0614—Developer solid type one-component
    • G03G2215/0617—Developer solid type one-component contact development (i.e. the developer layer on the donor member contacts the latent image carrier)
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/0634—Developing device
    • G03G2215/0636—Specific type of dry developer device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Electrophotography Configuration And Component (AREA)
DE69015446T 1989-06-01 1990-05-31 Entwicklungsvorrichtungen für elektrofotografische Geräte. Expired - Lifetime DE69015446T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1139445A JPH034258A (ja) 1989-06-01 1989-06-01 一成分現像装置
JP14121789A JP2777906B2 (ja) 1989-06-05 1989-06-05 トナーエンプティ検知装置
JP1159320A JPH0324571A (ja) 1989-06-21 1989-06-21 現像装置
JP1163120A JPH0328866A (ja) 1989-06-26 1989-06-26 現像装置

Publications (2)

Publication Number Publication Date
DE69015446D1 true DE69015446D1 (de) 1995-02-09
DE69015446T2 DE69015446T2 (de) 1995-05-11

Family

ID=27472223

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69015446T Expired - Lifetime DE69015446T2 (de) 1989-06-01 1990-05-31 Entwicklungsvorrichtungen für elektrofotografische Geräte.
DE69028124T Expired - Lifetime DE69028124T2 (de) 1989-06-01 1990-05-31 Entwicklungsvorrichtungen für elektrophotographische Geräte
DE69026630T Expired - Lifetime DE69026630T2 (de) 1989-06-01 1990-05-31 Entwicklungsvorrichtungen für elektrophotographische Geräte

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE69028124T Expired - Lifetime DE69028124T2 (de) 1989-06-01 1990-05-31 Entwicklungsvorrichtungen für elektrophotographische Geräte
DE69026630T Expired - Lifetime DE69026630T2 (de) 1989-06-01 1990-05-31 Entwicklungsvorrichtungen für elektrophotographische Geräte

Country Status (4)

Country Link
US (1) US5068691B1 (de)
EP (3) EP0613065B1 (de)
KR (1) KR940008789B1 (de)
DE (3) DE69015446T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU619686B2 (en) * 1989-06-21 1992-01-30 Fuji Xerox Co., Ltd. Developing device used in electrophotographic field
JPH04204970A (ja) * 1990-11-30 1992-07-27 Fujitsu Ltd 像形成装置
CA2062230C (en) * 1991-03-04 1999-03-09 Yoshiaki Okano Electrophotographic printing apparatus capable of printing images by electrophotographic processing and its start-up method
JP2837973B2 (ja) * 1991-07-04 1998-12-16 沖電気工業株式会社 トナー残量検知機構
JPH05224506A (ja) * 1992-02-13 1993-09-03 Canon Inc 帯電装置
DE69333986T2 (de) * 1992-09-28 2006-08-10 Fuji Xerox Co., Ltd. Entwicklungsvorrichtung von bilderzeugungsgerät
US5436704A (en) * 1993-05-31 1995-07-25 Samsung Electronics Co., Ltd. Device for sensing the amount of residual toner of developing apparatus
US5557380A (en) * 1994-07-07 1996-09-17 Mita Industrial Co., Ltd. Apparatus for developing an electrostatic latent image having limiting blade holding device
JPH09244367A (ja) * 1996-03-11 1997-09-19 Mita Ind Co Ltd プロセスユニット
JPH10228168A (ja) * 1997-02-17 1998-08-25 Canon Inc 現像装置
JP4377995B2 (ja) * 1999-08-02 2009-12-02 キヤノン株式会社 現像装置及びプロセスカートリッジ及び画像形成装置
US6078771A (en) * 1999-09-22 2000-06-20 Lexmark International, Inc. Low friction doctor blade
US6546218B2 (en) * 2000-03-31 2003-04-08 Canon Kabushiki Kaisha Image forming apparatus
JP3685694B2 (ja) * 2000-08-28 2005-08-24 株式会社沖データ トナーカートリッジと画像形成装置
JP4296497B2 (ja) * 2004-02-27 2009-07-15 ブラザー工業株式会社 画像形成装置
US7013104B2 (en) 2004-03-12 2006-03-14 Lexmark International, Inc. Toner regulating system having toner regulating member with metallic coating on flexible substrate
JP3766091B2 (ja) * 2004-04-16 2006-04-12 シャープ株式会社 画像形成装置
US7236729B2 (en) 2004-07-27 2007-06-26 Lexmark International, Inc. Electrophotographic toner regulating member with induced strain outside elastic response region
JP4332807B2 (ja) * 2005-12-27 2009-09-16 ブラザー工業株式会社 現像カートリッジおよび画像形成装置
KR101070620B1 (ko) * 2006-11-30 2011-10-07 삼성전자주식회사 현상유니트 및 이를 채용한 화상형성장치
KR100899350B1 (ko) 2008-02-22 2009-05-27 삼성전자주식회사 현상장치, 이를 구비한 화상형성장치, 및 현상장치의토너공급방법
KR100915396B1 (ko) * 2008-02-22 2009-09-03 삼성전자주식회사 현상제 카트리지, 현상유닛 및 이를 구비한 화상형성장치
KR100912900B1 (ko) 2008-02-22 2009-08-20 삼성전자주식회사 현상제카트리지, 현상장치 및 이를 포함하는 화상형성장치
JP4793430B2 (ja) * 2008-12-05 2011-10-12 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置
JP5775861B2 (ja) * 2012-12-12 2015-09-09 京セラドキュメントソリューションズ株式会社 現像装置及び画像形成装置
JP2021047260A (ja) * 2019-09-17 2021-03-25 キヤノン株式会社 画像形成ユニットおよび画像形成装置
JP2021047262A (ja) 2019-09-17 2021-03-25 キヤノン株式会社 画像形成ユニットおよび画像形成装置
JP7589483B2 (ja) * 2020-10-02 2024-11-26 京セラドキュメントソリューションズ株式会社 画像形成装置
JP2024118790A (ja) * 2023-02-21 2024-09-02 住友ゴム工業株式会社 現像ローラ

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3067720A (en) * 1960-12-23 1962-12-11 Xerox Corp Xerographic developing apparatus
US4339196A (en) * 1980-11-28 1982-07-13 Pitney Bowes Inc. Eccentric cam for electrophotocopier developer unit
JPS589170A (ja) * 1981-07-10 1983-01-19 Ricoh Co Ltd トナ−補給装置
GB2138565B (en) * 1983-03-25 1986-10-22 Central Electr Generat Board Apparatus for monitoring particulate matter
DE3321836A1 (de) * 1983-06-15 1984-12-20 Siemens AG, 1000 Berlin und 8000 München Gekapseltes, druckgasisoliertes hochspannungsschaltgeraet
JPS6051849A (ja) * 1983-08-31 1985-03-23 Toshiba Corp 現像装置
JPH0619630B2 (ja) * 1984-08-08 1994-03-16 株式会社リコー 現像装置
GB2163371B (en) * 1984-08-07 1988-04-07 Ricoh Kk Developing electrostatic latent images
US4801966A (en) * 1985-04-06 1989-01-31 Canon Kabushiki Kaisha Image forming apparatus with movable developing device
JPS62976A (ja) * 1985-06-27 1987-01-06 Ricoh Co Ltd 現像装置
JPH07104635B2 (ja) * 1985-10-24 1995-11-13 株式会社リコー 現像装置
GB2184396B (en) * 1985-11-15 1990-01-17 Canon Kk An image forming apparatus
JPS62116969A (ja) * 1985-11-18 1987-05-28 Canon Inc 画像形成装置
JPH0731454B2 (ja) * 1985-11-19 1995-04-10 株式会社リコー 現像装置
JPS62135855A (ja) * 1985-12-09 1987-06-18 Konishiroku Photo Ind Co Ltd 現像剤残量検知装置
JP2542373B2 (ja) * 1986-02-19 1996-10-09 株式会社リコー トナ−担持体
JPS62269977A (ja) * 1986-05-19 1987-11-24 Ricoh Co Ltd 現像装置
JPS63100476A (ja) * 1986-10-17 1988-05-02 Canon Inc 画像形成装置
US4860053A (en) * 1986-10-23 1989-08-22 Mita Industrial Co., Ltd. Color image forming apparatus having a plurality of developing units
US4851873A (en) * 1986-11-28 1989-07-25 Mita Industrial Co., Ltd. Developing device
JP2743271B2 (ja) * 1987-02-02 1998-04-22 株式会社リコー 弾性ウレタンゴムロール
JPS63231469A (ja) * 1987-03-20 1988-09-27 Oki Electric Ind Co Ltd 現像装置
KR920008748B1 (ko) * 1987-04-17 1992-10-09 마쯔시다덴기산교 가부시기가이샤 다색전자사진장치
DE3882442T2 (de) * 1987-05-29 1993-11-04 Konishiroku Photo Ind Entwicklungsvorrichtung fuer die nutzung in der elektrophotographie.
JPH01108582A (ja) * 1987-10-22 1989-04-25 Fuji Xerox Co Ltd 現像装置
DE3886686T2 (de) * 1987-10-28 1994-04-28 Canon Kk Entwicklungsgerät.
JPH01230079A (ja) * 1988-03-10 1989-09-13 Ricoh Co Ltd 一成分現像装置
US4928146A (en) * 1988-04-01 1990-05-22 Minolta Camera Co., Ltd. Developing device
JPH01254979A (ja) * 1988-04-04 1989-10-11 Minolta Camera Co Ltd 現像装置

Also Published As

Publication number Publication date
DE69028124D1 (de) 1996-09-19
EP0613065A1 (de) 1994-08-31
DE69015446T2 (de) 1995-05-11
EP0401020A3 (de) 1991-09-25
AU621224B2 (en) 1992-03-05
EP0613065B1 (de) 1996-04-17
EP0613066B1 (de) 1996-08-14
US5068691A (en) 1991-11-26
DE69028124T2 (de) 1997-01-23
US5068691B1 (en) 1995-01-24
EP0401020B1 (de) 1994-12-28
AU5605290A (en) 1990-12-06
KR910001489A (ko) 1991-01-31
EP0401020A2 (de) 1990-12-05
KR940008789B1 (en) 1994-09-26
DE69026630D1 (de) 1996-05-23
EP0613066A1 (de) 1994-08-31
DE69026630T2 (de) 1996-09-12

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Legal Events

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8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJI XEROX CO., LTD., TOKIO/TOKYO, JP