JP7446744B2 - 現像装置 - Google Patents

現像装置 Download PDF

Info

Publication number
JP7446744B2
JP7446744B2 JP2019161570A JP2019161570A JP7446744B2 JP 7446744 B2 JP7446744 B2 JP 7446744B2 JP 2019161570 A JP2019161570 A JP 2019161570A JP 2019161570 A JP2019161570 A JP 2019161570A JP 7446744 B2 JP7446744 B2 JP 7446744B2
Authority
JP
Japan
Prior art keywords
developer
blade portion
discharge
developing device
chamber
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
JP2019161570A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021039287A5 (https=
JP2021039287A (ja
Inventor
秀明 鈴木
俊介 津田
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 JP2019161570A priority Critical patent/JP7446744B2/ja
Priority to US17/007,353 priority patent/US11003110B2/en
Priority to CN202010909351.XA priority patent/CN112445103B/zh
Publication of JP2021039287A publication Critical patent/JP2021039287A/ja
Publication of JP2021039287A5 publication Critical patent/JP2021039287A5/ja
Priority to JP2024028562A priority patent/JP7673267B2/ja
Application granted granted Critical
Publication of JP7446744B2 publication Critical patent/JP7446744B2/ja
Priority to JP2025069425A priority patent/JP2025100797A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G03G15/0822—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
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • G03G15/0893—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers in a closed loop within the sump of the developing device
    • 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
    • G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
    • 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
    • G03G15/0844—Arrangements for purging used developer from the developing unit
    • 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
    • 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
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0802—Arrangements for agitating or circulating developer material
    • G03G2215/0816—Agitator type
    • G03G2215/0819—Agitator type two or more agitators
    • 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
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0802—Arrangements for agitating or circulating developer material
    • G03G2215/0816—Agitator type
    • G03G2215/0819—Agitator type two or more agitators
    • G03G2215/0822—Agitator type two or more agitators with wall or blade between agitators
    • 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
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0802—Arrangements for agitating or circulating developer material
    • G03G2215/0816—Agitator type
    • G03G2215/0827—Augers
    • G03G2215/083—Augers with two opposed pitches on one shaft

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
JP2019161570A 2019-09-04 2019-09-04 現像装置 Active JP7446744B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2019161570A JP7446744B2 (ja) 2019-09-04 2019-09-04 現像装置
US17/007,353 US11003110B2 (en) 2019-09-04 2020-08-31 Developing device
CN202010909351.XA CN112445103B (zh) 2019-09-04 2020-09-02 显影装置
JP2024028562A JP7673267B2 (ja) 2019-09-04 2024-02-28 現像装置
JP2025069425A JP2025100797A (ja) 2019-09-04 2025-04-21 現像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019161570A JP7446744B2 (ja) 2019-09-04 2019-09-04 現像装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024028562A Division JP7673267B2 (ja) 2019-09-04 2024-02-28 現像装置

Publications (3)

Publication Number Publication Date
JP2021039287A JP2021039287A (ja) 2021-03-11
JP2021039287A5 JP2021039287A5 (https=) 2022-08-18
JP7446744B2 true JP7446744B2 (ja) 2024-03-11

Family

ID=74681089

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2019161570A Active JP7446744B2 (ja) 2019-09-04 2019-09-04 現像装置
JP2024028562A Active JP7673267B2 (ja) 2019-09-04 2024-02-28 現像装置
JP2025069425A Pending JP2025100797A (ja) 2019-09-04 2025-04-21 現像装置

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2024028562A Active JP7673267B2 (ja) 2019-09-04 2024-02-28 現像装置
JP2025069425A Pending JP2025100797A (ja) 2019-09-04 2025-04-21 現像装置

Country Status (3)

Country Link
US (1) US11003110B2 (https=)
JP (3) JP7446744B2 (https=)
CN (1) CN112445103B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7435022B2 (ja) * 2020-02-27 2024-02-21 富士フイルムビジネスイノベーション株式会社 粉体供給装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002072686A (ja) 2000-08-30 2002-03-12 Canon Inc 画像形成装置
JP2005227351A (ja) 2004-02-10 2005-08-25 Canon Inc 現像剤補給装置および画像形成装置
JP2010160205A (ja) 2009-01-06 2010-07-22 Sharp Corp トナーカートリッジ及びこれを用いる画像形成装置
JP2012189655A (ja) 2011-03-09 2012-10-04 Kyocera Document Solutions Inc 現像装置及びそれを備えた画像形成装置
JP2015094816A (ja) 2013-11-11 2015-05-18 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
JP2015184520A (ja) 2014-03-25 2015-10-22 株式会社沖データ 現像装置及び画像形成装置
JP2016053715A (ja) 2014-09-03 2016-04-14 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 現像装置
JP2016194623A (ja) 2015-04-01 2016-11-17 シャープ株式会社 搬送装置、現像装置、及び画像形成装置
JP2016206431A (ja) 2015-04-23 2016-12-08 キヤノン株式会社 現像装置及び画像形成装置
JP2017102261A (ja) 2015-12-01 2017-06-08 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 現像装置
JP2018066822A (ja) 2016-10-18 2018-04-26 富士ゼロックス株式会社 現像装置及び画像形成装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2957372B2 (ja) * 1993-02-16 1999-10-04 シャープ株式会社 現像装置
US5450169A (en) * 1994-06-23 1995-09-12 Xerox Corporation Multi-lobe magnetic seals
JPH10228175A (ja) * 1997-02-13 1998-08-25 Fuji Xerox Co Ltd 現像装置
JP2004191785A (ja) * 2002-12-12 2004-07-08 Canon Inc 現像装置
JP4325425B2 (ja) * 2004-02-06 2009-09-02 富士ゼロックス株式会社 現像装置及びこれを用いた画像形成装置
US7269363B2 (en) * 2004-09-15 2007-09-11 Kabushiki Kaisha Toshiba Developing apparatus, developing method, and developing agent therefor
JP2007171865A (ja) * 2005-12-26 2007-07-05 Fuji Xerox Co Ltd 粉体撹拌装置、画像形成装置
JP4613239B2 (ja) * 2008-07-31 2011-01-12 シャープ株式会社 現像装置とこれを用いる画像形成装置
JP4613234B2 (ja) * 2008-09-09 2011-01-12 シャープ株式会社 トナーカートリッジ及びこれを用いた画像形成装置
JP2010145481A (ja) * 2008-12-16 2010-07-01 Konica Minolta Business Technologies Inc 現像装置及び画像形成装置
JP5435358B2 (ja) * 2010-03-09 2014-03-05 株式会社リコー 電子写真方式の画像形成装置における現像装置
JP2011242559A (ja) * 2010-05-17 2011-12-01 Canon Inc 現像装置
JP5775859B2 (ja) * 2012-11-22 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、およびこれを備えた画像形成装置
JP5998997B2 (ja) * 2013-03-22 2016-09-28 富士ゼロックス株式会社 搬送装置、現像装置、画像形成装置
JP6177037B2 (ja) * 2013-07-23 2017-08-09 キヤノン株式会社 現像装置
JP6287617B2 (ja) * 2014-06-18 2018-03-07 コニカミノルタ株式会社 現像装置および画像形成装置
JP6648920B2 (ja) * 2015-08-31 2020-02-14 キヤノン株式会社 現像装置
JP2017156535A (ja) * 2016-03-02 2017-09-07 京セラドキュメントソリューションズ株式会社 トナー供給装置、画像形成装置
JP6661411B2 (ja) * 2016-03-02 2020-03-11 キヤノン株式会社 画像形成装置
JP2017219735A (ja) * 2016-06-08 2017-12-14 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
JP2018036537A (ja) * 2016-08-31 2018-03-08 キヤノン株式会社 現像装置
JP2018097255A (ja) 2016-12-15 2018-06-21 エスプリンティンソリューション株式会社 現像装置
JP7091092B2 (ja) * 2018-03-07 2022-06-27 キヤノン株式会社 現像装置
CN109227987A (zh) * 2018-10-22 2019-01-18 童良英 一种医用3d打印材料加工装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002072686A (ja) 2000-08-30 2002-03-12 Canon Inc 画像形成装置
JP2005227351A (ja) 2004-02-10 2005-08-25 Canon Inc 現像剤補給装置および画像形成装置
JP2010160205A (ja) 2009-01-06 2010-07-22 Sharp Corp トナーカートリッジ及びこれを用いる画像形成装置
JP2012189655A (ja) 2011-03-09 2012-10-04 Kyocera Document Solutions Inc 現像装置及びそれを備えた画像形成装置
JP2015094816A (ja) 2013-11-11 2015-05-18 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
JP2015184520A (ja) 2014-03-25 2015-10-22 株式会社沖データ 現像装置及び画像形成装置
JP2016053715A (ja) 2014-09-03 2016-04-14 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 現像装置
JP2016194623A (ja) 2015-04-01 2016-11-17 シャープ株式会社 搬送装置、現像装置、及び画像形成装置
JP2016206431A (ja) 2015-04-23 2016-12-08 キヤノン株式会社 現像装置及び画像形成装置
JP2017102261A (ja) 2015-12-01 2017-06-08 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 現像装置
JP2018066822A (ja) 2016-10-18 2018-04-26 富士ゼロックス株式会社 現像装置及び画像形成装置

Also Published As

Publication number Publication date
CN112445103B (zh) 2023-07-18
US20210063914A1 (en) 2021-03-04
JP2024052879A (ja) 2024-04-12
JP7673267B2 (ja) 2025-05-08
CN112445103A (zh) 2021-03-05
US11003110B2 (en) 2021-05-11
JP2025100797A (ja) 2025-07-03
JP2021039287A (ja) 2021-03-11

Similar Documents

Publication Publication Date Title
CN104635453B (zh) 显影装置以及具备该显影装置的图像形成装置
JP5987520B2 (ja) 現像装置及び画像形成装置
JP6642487B2 (ja) 現像装置およびそれを備えた画像形成装置
US9829830B2 (en) Developing device replenished with new two-component developer while discharging surplus developer and image forming apparatus
WO2018074613A1 (ja) 画像形成装置
JP2025100797A (ja) 現像装置
JP2003131420A (ja) 作像材料及びこれを用いた画像形成装置
JP5255971B2 (ja) 現像装置及びそれを備えた画像形成装置
JP2021096400A (ja) 現像装置
JP2018200399A (ja) 現像装置
JP2018169566A (ja) 現像装置及び画像形成装置
JP4081367B2 (ja) 現像装置
JPH1144997A (ja) 現像装置
JP2013037196A (ja) 現像装置及びそれを備えた画像形成装置
JP2018169574A (ja) 現像装置及び画像形成装置
JP4738799B2 (ja) 現像装置
JP2023013157A (ja) 現像装置
JP2025062523A (ja) 現像装置
JP2018200397A (ja) 現像装置
US9291947B1 (en) Sealing ribs for a developer unit of a dual component development electrophotographic image forming device
JP2004013029A (ja) 画像形成装置
JP7704198B2 (ja) 現像装置およびそれを備えた画像形成装置
JP2006091487A (ja) 現像装置及びこれを用いた画像形成装置
WO2026009992A1 (ja) 現像装置
JP2026008732A (ja) 現像装置

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20200206

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20200207

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220809

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220809

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20230412

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230502

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230703

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230919

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231117

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240130

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240228

R151 Written notification of patent or utility model registration

Ref document number: 7446744

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151