DE69624513T2 - Entwicklungsvorrichtung und elektrophotographische vorrichtung - Google Patents

Entwicklungsvorrichtung und elektrophotographische vorrichtung

Info

Publication number
DE69624513T2
DE69624513T2 DE69624513T DE69624513T DE69624513T2 DE 69624513 T2 DE69624513 T2 DE 69624513T2 DE 69624513 T DE69624513 T DE 69624513T DE 69624513 T DE69624513 T DE 69624513T DE 69624513 T2 DE69624513 T2 DE 69624513T2
Authority
DE
Germany
Prior art keywords
electrophotographic
development
development device
electrophotographic 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
DE69624513T
Other languages
English (en)
Other versions
DE69624513D1 (de
Inventor
Toru Miyasaka
Kazushige Oonishi
Masahiko Saito
Tadashi Okano
Shooji Takeya
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.)
Ricoh Printing Systems 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
Application granted granted Critical
Publication of DE69624513D1 publication Critical patent/DE69624513D1/de
Publication of DE69624513T2 publication Critical patent/DE69624513T2/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
    • G03G15/0806—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
    • G03G15/0808—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 supplying means, e.g. structure of developer supply 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
    • G03G15/0815—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 handling means after the developing zone and before the supply, e.g. developer recovering roller

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
DE69624513T 1996-11-08 1996-11-08 Entwicklungsvorrichtung und elektrophotographische vorrichtung Expired - Lifetime DE69624513T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1996/003286 WO1998021628A1 (fr) 1996-11-08 1996-11-08 Dispositif de developpement et dispositif electrophotographique

Publications (2)

Publication Number Publication Date
DE69624513D1 DE69624513D1 (de) 2002-11-28
DE69624513T2 true DE69624513T2 (de) 2003-06-18

Family

ID=14154084

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69624513T Expired - Lifetime DE69624513T2 (de) 1996-11-08 1996-11-08 Entwicklungsvorrichtung und elektrophotographische vorrichtung

Country Status (6)

Country Link
US (1) US6144829A (de)
EP (1) EP0938033B1 (de)
JP (1) JP3441737B2 (de)
KR (2) KR100420640B1 (de)
DE (1) DE69624513T2 (de)
WO (1) WO1998021628A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6321058B1 (en) * 1996-11-08 2001-11-20 Hitachi, Ltd. Developing device with toner storing and recovery chambers
JP4132328B2 (ja) * 1998-12-22 2008-08-13 株式会社東芝 現像装置
US6516171B2 (en) 1999-05-03 2003-02-04 Hitachi, Ltd. Color electrographic apparatus with developing device having separated toner supply and recovery chambers
US6343201B1 (en) * 1999-07-29 2002-01-29 Minolta Co., Ltd. Developing apparatus comprising developing roller that is rotated upward from below in developing area and image forming apparatus using the same
JP4365969B2 (ja) * 2000-01-20 2009-11-18 キヤノン株式会社 現像装置、プロセスカートリッジ及び電子写真画像形成装置
JP4300715B2 (ja) 2001-05-21 2009-07-22 コニカミノルタビジネステクノロジーズ株式会社 現像装置
US6519437B1 (en) * 2001-08-23 2003-02-11 Toshiba Tec Kabushiki Kaisha Prevention of excessive toner accumulation in a developing apparatus
EP1318434B1 (de) * 2001-12-07 2007-08-15 Seiko Epson Corporation Entwicklungsgerät und dieses beinhaltender Bildformungsapparat
US7373098B2 (en) 2003-10-20 2008-05-13 Samsung Electronics Co., Ltd. Toner cartridge and electrophotographic printer employing the same
US20090196660A1 (en) * 2008-02-04 2009-08-06 Chin-Lung Han Developing apparatus capable of conveying developer uniformly and developer conveyer thereof
JP6264534B2 (ja) * 2013-11-08 2018-01-24 株式会社リコー 現像装置、プロセスカートリッジ、及び画像形成装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61170766A (ja) * 1985-01-24 1986-08-01 Mita Ind Co Ltd 静電潜像現像装置
JPS61179472A (ja) * 1985-02-04 1986-08-12 Canon Inc 現像装置
JPS6445203A (en) * 1987-08-13 1989-02-17 Shikoku Kakoki Co Ltd Constant liquid feed apparatus
JPH04215676A (ja) * 1990-12-13 1992-08-06 Minolta Camera Co Ltd 現像装置
JP3194444B2 (ja) * 1992-09-11 2001-07-30 株式会社リコー 現像装置
JP3134634B2 (ja) * 1993-10-18 2001-02-13 富士ゼロックス株式会社 カラー画像形成装置
US5666599A (en) * 1994-04-06 1997-09-09 Hitachi, Ltd. Color electro-photographic printing apparatus
JPH0844206A (ja) * 1994-07-26 1996-02-16 Toshiba Corp 現像装置
JPH08211734A (ja) * 1995-02-03 1996-08-20 Brother Ind Ltd 現像装置
JPH08220883A (ja) * 1995-02-14 1996-08-30 Tec Corp 現像装置

Also Published As

Publication number Publication date
EP0938033B1 (de) 2002-10-23
US6144829A (en) 2000-11-07
EP0938033A4 (de) 2000-10-25
KR100420640B1 (ko) 2004-03-02
KR100532012B1 (ko) 2005-11-29
JP3441737B2 (ja) 2003-09-02
DE69624513D1 (de) 2002-11-28
KR20020064381A (ko) 2002-08-07
WO1998021628A1 (fr) 1998-05-22
KR20000053097A (ko) 2000-08-25
EP0938033A1 (de) 1999-08-25

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Legal Events

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

Owner name: HITACHI PRINTING SOLUTIONS LTD., TOKIO/TOKYO, JP