JP7840701B2 - 現像装置 - Google Patents

現像装置

Info

Publication number
JP7840701B2
JP7840701B2 JP2022011047A JP2022011047A JP7840701B2 JP 7840701 B2 JP7840701 B2 JP 7840701B2 JP 2022011047 A JP2022011047 A JP 2022011047A JP 2022011047 A JP2022011047 A JP 2022011047A JP 7840701 B2 JP7840701 B2 JP 7840701B2
Authority
JP
Japan
Prior art keywords
supply roller
magnetic pole
flux density
magnetic
developing
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.)
Active
Application number
JP2022011047A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023109501A5 (https=
JP2023109501A (ja
Inventor
直樹 麦田
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 JP2022011047A priority Critical patent/JP7840701B2/ja
Priority to US18/093,881 priority patent/US11947284B2/en
Publication of JP2023109501A publication Critical patent/JP2023109501A/ja
Publication of JP2023109501A5 publication Critical patent/JP2023109501A5/ja
Application granted granted Critical
Publication of JP7840701B2 publication Critical patent/JP7840701B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G03G15/0806—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
    • G03G15/09—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
JP2022011047A 2022-01-27 2022-01-27 現像装置 Active JP7840701B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022011047A JP7840701B2 (ja) 2022-01-27 2022-01-27 現像装置
US18/093,881 US11947284B2 (en) 2022-01-27 2023-01-06 Developing device having magnetic supplying roller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022011047A JP7840701B2 (ja) 2022-01-27 2022-01-27 現像装置

Publications (3)

Publication Number Publication Date
JP2023109501A JP2023109501A (ja) 2023-08-08
JP2023109501A5 JP2023109501A5 (https=) 2024-12-23
JP7840701B2 true JP7840701B2 (ja) 2026-04-06

Family

ID=87522635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022011047A Active JP7840701B2 (ja) 2022-01-27 2022-01-27 現像装置

Country Status (2)

Country Link
US (1) US11947284B2 (https=)
JP (1) JP7840701B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7818970B2 (ja) 2022-01-27 2026-02-24 キヤノン株式会社 現像装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003295616A (ja) 2002-03-29 2003-10-15 Hitachi Printing Solutions Ltd 現像装置および静電記録装置
JP2007279330A (ja) 2006-04-05 2007-10-25 Ricoh Co Ltd 現像装置、画像形成装置、これらに用いるキャリア、トナー
JP2008233223A (ja) 2007-03-16 2008-10-02 Kyocera Mita Corp 現像装置及びそれを備えた画像形成装置
JP2015222317A (ja) 2014-05-22 2015-12-10 キヤノン株式会社 現像装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5953570A (en) * 1996-10-25 1999-09-14 Minolta Co., Ltd. Developing device for an image forming apparatus
US7298995B2 (en) * 2004-07-30 2007-11-20 Kyocera Mita Corporation Developing device used in an image forming apparatus
JP2010002891A (ja) * 2008-05-23 2010-01-07 Kyocera Mita Corp 現像装置及びこれを備えた画像形成装置
JP5299192B2 (ja) 2009-09-24 2013-09-25 富士ゼロックス株式会社 現像剤担持体、現像装置および画像形成装置
JP2014153608A (ja) 2013-02-12 2014-08-25 Kyocera Document Solutions Inc 現像装置及びそれを備えた画像形成装置
JP6053639B2 (ja) * 2013-08-12 2016-12-27 京セラドキュメントソリューションズ株式会社 現像装置及びこれを備えた画像形成装置
JP6230448B2 (ja) 2014-03-05 2017-11-15 キヤノン株式会社 現像装置
JP2020030347A (ja) 2018-08-23 2020-02-27 キヤノン株式会社 現像装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003295616A (ja) 2002-03-29 2003-10-15 Hitachi Printing Solutions Ltd 現像装置および静電記録装置
JP2007279330A (ja) 2006-04-05 2007-10-25 Ricoh Co Ltd 現像装置、画像形成装置、これらに用いるキャリア、トナー
JP2008233223A (ja) 2007-03-16 2008-10-02 Kyocera Mita Corp 現像装置及びそれを備えた画像形成装置
JP2015222317A (ja) 2014-05-22 2015-12-10 キヤノン株式会社 現像装置

Also Published As

Publication number Publication date
JP2023109501A (ja) 2023-08-08
US20230259052A1 (en) 2023-08-17
US11947284B2 (en) 2024-04-02

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