DE69227966T2 - Entwicklungsrolle - Google Patents

Entwicklungsrolle

Info

Publication number
DE69227966T2
DE69227966T2 DE69227966T DE69227966T DE69227966T2 DE 69227966 T2 DE69227966 T2 DE 69227966T2 DE 69227966 T DE69227966 T DE 69227966T DE 69227966 T DE69227966 T DE 69227966T DE 69227966 T2 DE69227966 T2 DE 69227966T2
Authority
DE
Germany
Prior art keywords
development role
role
development
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
DE69227966T
Other languages
English (en)
Other versions
DE69227966D1 (de
Inventor
Masaharu Iwai
Yasushi C O Kanegafu Kakehashi
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry 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
Priority claimed from JP8175091U external-priority patent/JPH0525460U/ja
Priority claimed from JP4065792U external-priority patent/JPH0594858U/ja
Application filed by Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Application granted granted Critical
Publication of DE69227966D1 publication Critical patent/DE69227966D1/de
Publication of DE69227966T2 publication Critical patent/DE69227966T2/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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
DE69227966T 1991-09-11 1992-09-10 Entwicklungsrolle Expired - Lifetime DE69227966T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8175091U JPH0525460U (ja) 1991-09-11 1991-09-11 マグネツトロール
JP4065792U JPH0594858U (ja) 1992-05-20 1992-05-20 マグネット装置

Publications (2)

Publication Number Publication Date
DE69227966D1 DE69227966D1 (de) 1999-02-04
DE69227966T2 true DE69227966T2 (de) 1999-05-12

Family

ID=26380146

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227966T Expired - Lifetime DE69227966T2 (de) 1991-09-11 1992-09-10 Entwicklungsrolle

Country Status (3)

Country Link
US (1) US5434351A (de)
EP (1) EP0531997B1 (de)
DE (1) DE69227966T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067433A (en) * 1997-07-04 2000-05-23 Canon Kabushiki Kaisha Developing apparatus for regulating the amount of developer in the vicinity of repulsive magnetic pole
JPH11133747A (ja) * 1997-10-31 1999-05-21 Konica Corp 現像装置
JP2005331632A (ja) * 2004-05-19 2005-12-02 Canon Finetech Inc 現像装置およびプロセスカートリッジならびにそれらを備えた画像形成装置
JP2007183533A (ja) * 2005-12-07 2007-07-19 Ricoh Co Ltd 現像装置、プロセスカートリッジ、及び、画像形成装置
US10324398B2 (en) * 2016-09-12 2019-06-18 Canon Kabushiki Kaisha Developing device and magnet for two-component development
JP2023012675A (ja) 2021-07-14 2023-01-26 京セラドキュメントソリューションズ株式会社 現像装置およびそれを備えた画像形成装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335479Y2 (de) * 1974-10-23 1978-08-30
US4166263A (en) * 1977-10-03 1979-08-28 Hitachi Metals, Ltd. Magnetic core assembly for magnetizing columnar permanent magnet for use in electrostatic developing apparatus
US4331100A (en) * 1979-01-04 1982-05-25 Ricoh Company, Ltd. Magnetic brush development apparatus
JPS5681868A (en) * 1979-12-08 1981-07-04 Olympus Optical Co Ltd Magnet roll developing device
JPS589174A (ja) * 1981-07-10 1983-01-19 Konishiroku Photo Ind Co Ltd 静電潜像現像装置
JPH07107618B2 (ja) * 1986-05-15 1995-11-15 ミノルタ株式会社 現像装置
JPS6324268A (ja) * 1986-07-16 1988-02-01 Minolta Camera Co Ltd 現像装置
JPH0766215B2 (ja) * 1987-03-31 1995-07-19 日立金属株式会社 現像装置
JPS6488478A (en) * 1987-09-29 1989-04-03 Minolta Camera Kk Developing device
JPH01154182A (ja) * 1987-12-11 1989-06-16 Minolta Camera Co Ltd 現像装置
US5036364A (en) * 1988-07-22 1991-07-30 Canon Kabushiki Kaisha Image forming apparatus including developer carrying member having repelling magnetic brush
JP2774532B2 (ja) * 1988-11-14 1998-07-09 株式会社リコー 現像装置

Also Published As

Publication number Publication date
US5434351A (en) 1995-07-18
EP0531997A3 (en) 1994-06-08
EP0531997B1 (de) 1998-12-23
EP0531997A2 (de) 1993-03-17
DE69227966D1 (de) 1999-02-04

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