JP4498246B2 - 現像装置 - Google Patents

現像装置 Download PDF

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Publication number
JP4498246B2
JP4498246B2 JP2005259969A JP2005259969A JP4498246B2 JP 4498246 B2 JP4498246 B2 JP 4498246B2 JP 2005259969 A JP2005259969 A JP 2005259969A JP 2005259969 A JP2005259969 A JP 2005259969A JP 4498246 B2 JP4498246 B2 JP 4498246B2
Authority
JP
Japan
Prior art keywords
developer
magnetic
carrier
developer carrier
magnetic pole
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 - Fee Related
Application number
JP2005259969A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007072222A5 (enExample
JP2007072222A (ja
Inventor
智幸 坂巻
和清 明石
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
Original Assignee
Canon Inc
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 filed Critical Canon Inc
Priority to JP2005259969A priority Critical patent/JP4498246B2/ja
Priority to US11/510,637 priority patent/US7561838B2/en
Priority to CNB2006101513679A priority patent/CN100492210C/zh
Publication of JP2007072222A publication Critical patent/JP2007072222A/ja
Priority to US12/479,973 priority patent/US7725061B2/en
Publication of JP2007072222A5 publication Critical patent/JP2007072222A5/ja
Application granted granted Critical
Publication of JP4498246B2 publication Critical patent/JP4498246B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration
    • 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
    • G03G2215/0648—Two or more donor members

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
JP2005259969A 2005-09-07 2005-09-07 現像装置 Expired - Fee Related JP4498246B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2005259969A JP4498246B2 (ja) 2005-09-07 2005-09-07 現像装置
US11/510,637 US7561838B2 (en) 2005-09-07 2006-08-28 Developing apparatus featuring magnetic seal members disposed in developer delivery regions
CNB2006101513679A CN100492210C (zh) 2005-09-07 2006-09-07 显影设备
US12/479,973 US7725061B2 (en) 2005-09-07 2009-06-08 Developing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005259969A JP4498246B2 (ja) 2005-09-07 2005-09-07 現像装置

Publications (3)

Publication Number Publication Date
JP2007072222A JP2007072222A (ja) 2007-03-22
JP2007072222A5 JP2007072222A5 (enExample) 2010-05-06
JP4498246B2 true JP4498246B2 (ja) 2010-07-07

Family

ID=37830171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005259969A Expired - Fee Related JP4498246B2 (ja) 2005-09-07 2005-09-07 現像装置

Country Status (3)

Country Link
US (2) US7561838B2 (enExample)
JP (1) JP4498246B2 (enExample)
CN (1) CN100492210C (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4860967B2 (ja) * 2005-09-07 2012-01-25 キヤノン株式会社 現像装置
JP4819547B2 (ja) * 2006-03-29 2011-11-24 キヤノン株式会社 現像装置
JP4854532B2 (ja) * 2007-01-30 2012-01-18 キヤノン株式会社 現像装置
JP5268386B2 (ja) * 2008-02-27 2013-08-21 京セラドキュメントソリューションズ株式会社 現像装置及びそれを備えた画像形成装置
US20090232543A1 (en) * 2008-03-14 2009-09-17 Kabushiki Kaisha Toshiba Developing device of image forming apparatus
JP5240550B2 (ja) * 2008-03-31 2013-07-17 株式会社リコー 現像装置並びにこれを備える画像形成装置及びプロセスカートリッジ
JP5403988B2 (ja) * 2008-10-15 2014-01-29 キヤノン株式会社 現像装置
JP5430162B2 (ja) 2009-01-30 2014-02-26 キヤノン株式会社 現像装置
JP4963717B2 (ja) * 2009-09-02 2012-06-27 キヤノン株式会社 現像装置
US20110311267A1 (en) * 2010-06-17 2011-12-22 Toshiba Tec Kabushiki Kaisha Developing device, image forming apparatus and method
JP5183712B2 (ja) * 2010-10-25 2013-04-17 キヤノン株式会社 現像装置及び画像形成装置
JP5627429B2 (ja) * 2010-12-08 2014-11-19 キヤノン株式会社 現像装置
JP5825794B2 (ja) 2011-02-03 2015-12-02 キヤノン株式会社 現像装置及びマグネットローラ
JP5751959B2 (ja) * 2011-07-05 2015-07-22 キヤノン株式会社 現像装置
JP2013050526A (ja) * 2011-08-30 2013-03-14 Canon Inc 現像装置
JP5932307B2 (ja) * 2011-11-17 2016-06-08 キヤノン株式会社 現像装置
JP6016393B2 (ja) 2012-03-15 2016-10-26 キヤノン株式会社 現像装置
JP6288976B2 (ja) 2013-07-31 2018-03-07 キヤノン株式会社 現像装置
JP2015184424A (ja) 2014-03-24 2015-10-22 キヤノン株式会社 現像装置及び画像形成装置
JP6320169B2 (ja) 2014-05-23 2018-05-09 キヤノン株式会社 現像装置、プロセスカートリッジ及び画像形成装置
JP6440011B2 (ja) * 2014-07-09 2018-12-19 株式会社リコー 現像装置、画像形成装置、及びプロセスカートリッジ
JP6347709B2 (ja) * 2014-09-26 2018-06-27 キヤノン株式会社 現像装置
JP6938167B2 (ja) 2016-03-08 2021-09-22 キヤノン株式会社 画像形成装置
JP6971827B2 (ja) * 2017-12-18 2021-11-24 キヤノン株式会社 現像装置
KR20200050512A (ko) * 2018-11-01 2020-05-12 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 자기 반발력을 이용하여 토너 비산을 방지하는 구조를 갖는 현상기
US12353145B2 (en) * 2023-02-13 2025-07-08 Canon Kabushiki Kaisha Developing device
JP2025042977A (ja) * 2023-09-15 2025-03-28 キヤノン株式会社 現像装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4400078A (en) * 1980-10-20 1983-08-23 Ricoh Company, Ltd. Electrophotographic copying apparatus and subsystems therefor
US5177536A (en) * 1989-03-31 1993-01-05 Canon Kabushiki Kaisha Developing apparatus having a magnetic seal
JP4018210B2 (ja) 1997-10-29 2007-12-05 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電子写真画像形成装置
US5987288A (en) * 1997-11-27 1999-11-16 Mita Industrial Co., Ltd. Image forming apparatus having a plurality of magnetic developing rollers
JP3832985B2 (ja) * 1998-12-02 2006-10-11 キヤノン株式会社 現像装置及びプロセスカートリッジ
JP3472178B2 (ja) * 1999-02-18 2003-12-02 キヤノン株式会社 現像装置
US6546222B2 (en) 2000-06-08 2003-04-08 Canon Kabushiki Kaisha Developing apparatus
JP2003015412A (ja) * 2001-06-29 2003-01-17 Canon Inc 現像装置及び画像形成装置
US6975625B1 (en) * 2001-08-20 2005-12-13 Cisco Technology, Inc. Distributed call control processing
JP2003255694A (ja) * 2002-02-28 2003-09-10 Canon Inc 現像装置及び画像形成装置
US6973281B2 (en) * 2002-04-26 2005-12-06 Canon Kabushiki Kaisha Developing apparatus with two developing chamber-rotatable member pairs
JP4136481B2 (ja) * 2002-06-19 2008-08-20 キヤノン株式会社 現像装置及び画像形成装置
JP4860967B2 (ja) 2005-09-07 2012-01-25 キヤノン株式会社 現像装置

Also Published As

Publication number Publication date
CN1928732A (zh) 2007-03-14
US20090285607A1 (en) 2009-11-19
US7561838B2 (en) 2009-07-14
US7725061B2 (en) 2010-05-25
JP2007072222A (ja) 2007-03-22
CN100492210C (zh) 2009-05-27
US20070053725A1 (en) 2007-03-08

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