JP7500279B2 - 現像装置、カートリッジ及び画像形成装置 - Google Patents

現像装置、カートリッジ及び画像形成装置 Download PDF

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Publication number
JP7500279B2
JP7500279B2 JP2020095461A JP2020095461A JP7500279B2 JP 7500279 B2 JP7500279 B2 JP 7500279B2 JP 2020095461 A JP2020095461 A JP 2020095461A JP 2020095461 A JP2020095461 A JP 2020095461A JP 7500279 B2 JP7500279 B2 JP 7500279B2
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Japan
Prior art keywords
developer
toner
carrier
image
roller
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Active
Application number
JP2020095461A
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English (en)
Japanese (ja)
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JP2021189333A5 (enExample
JP2021189333A (ja
Inventor
貴章 渡邉
進介 小林
和弘 船谷
健介 梅田
彩衣 鈴木
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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 JP2020095461A priority Critical patent/JP7500279B2/ja
Priority to US17/330,517 priority patent/US11422485B2/en
Priority to CN202110598761.1A priority patent/CN113759681B/zh
Publication of JP2021189333A publication Critical patent/JP2021189333A/ja
Priority to US17/866,669 priority patent/US12140885B2/en
Publication of JP2021189333A5 publication Critical patent/JP2021189333A5/ja
Application granted granted Critical
Publication of JP7500279B2 publication Critical patent/JP7500279B2/ja
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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
    • G03G15/0822—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
    • 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
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • 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
    • G03G15/095—Removing excess solid developer, e.g. fog preventing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0035—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using a brush; Details of cleaning brushes, e.g. fibre density
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0064—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using the developing unit, e.g. cleanerless or multi-cycle apparatus
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/007—Arrangement or disposition of parts of the cleaning unit

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Cleaning In Electrography (AREA)
  • Electrophotography Configuration And Component (AREA)
JP2020095461A 2020-06-01 2020-06-01 現像装置、カートリッジ及び画像形成装置 Active JP7500279B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020095461A JP7500279B2 (ja) 2020-06-01 2020-06-01 現像装置、カートリッジ及び画像形成装置
US17/330,517 US11422485B2 (en) 2020-06-01 2021-05-26 Cartridge and image forming apparatus
CN202110598761.1A CN113759681B (zh) 2020-06-01 2021-05-31 盒和成像设备
US17/866,669 US12140885B2 (en) 2020-06-01 2022-07-18 Image forming apparatus including brush for surface of developer supplying member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020095461A JP7500279B2 (ja) 2020-06-01 2020-06-01 現像装置、カートリッジ及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2021189333A JP2021189333A (ja) 2021-12-13
JP2021189333A5 JP2021189333A5 (enExample) 2023-06-06
JP7500279B2 true JP7500279B2 (ja) 2024-06-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020095461A Active JP7500279B2 (ja) 2020-06-01 2020-06-01 現像装置、カートリッジ及び画像形成装置

Country Status (3)

Country Link
US (2) US11422485B2 (enExample)
JP (1) JP7500279B2 (enExample)
CN (1) CN113759681B (enExample)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002323814A (ja) 2001-04-26 2002-11-08 Oki Data Corp 現像装置
US20050008403A1 (en) 2003-07-09 2005-01-13 Dae-Seob Kweon Image forming apparatus having a cleaning unit and a method thereof
JP2009116069A (ja) 2007-11-07 2009-05-28 Konica Minolta Business Technologies Inc 現像装置
JP2017058601A (ja) 2015-09-18 2017-03-23 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

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2598131B2 (ja) 1989-05-31 1997-04-09 株式会社東芝 画像形成装置
JPH0830099A (ja) * 1994-07-13 1996-02-02 Tec Corp 現像装置
JP3225759B2 (ja) 1994-11-11 2001-11-05 ミノルタ株式会社 現像装置
JP3411129B2 (ja) 1995-07-03 2003-05-26 沖電気工業株式会社 半導体メモリ
JP3342362B2 (ja) 1996-09-20 2002-11-05 キヤノン株式会社 プロセスカートリッジ及び電子写真画像形成装置
JP3363727B2 (ja) 1996-12-12 2003-01-08 キヤノン株式会社 プロセスカートリッジ及び電子写真画像形成装置及びプロセスカートリッジの組立方法及び廃トナー容器の組立方法
JP3745111B2 (ja) 1997-03-18 2006-02-15 キヤノン株式会社 結合部材、プロセスカートリッジ、及び、プロセスカートリッジの組立方法
JPH11242371A (ja) 1997-10-31 1999-09-07 Canon Inc コネクタ及びユニット及びプロセスカ―トリッジ及び電子写真画像形成装置
JP2000019841A (ja) 1998-07-02 2000-01-21 Canon Inc 現像装置及びプロセスカートリッジ
JP3437460B2 (ja) 1998-08-31 2003-08-18 キヤノン株式会社 トナー容器
JP2000098729A (ja) 1998-09-22 2000-04-07 Canon Inc 現像装置、プロセスカートリッジ、電子写真画像形成装置
JP2000098855A (ja) 1998-09-24 2000-04-07 Canon Inc プロセスカートリッジ及び電子写真画像形成装置
JP2000098809A (ja) 1998-09-24 2000-04-07 Canon Inc 電子写真感光体ドラム及びプロセスカ−トリッジ及び電子写真画像形成装置
JP2000131945A (ja) 1998-10-26 2000-05-12 Canon Inc 現像装置およびプロセスカートリッジ
JP3748506B2 (ja) 1999-05-20 2006-02-22 キヤノン株式会社 プロセスカートリッジ及びプロセスカートリッジの組立方法
JP2000321951A (ja) 2000-01-01 2000-11-24 Toshiba Corp 画像形成装置
US6549736B2 (en) 2000-01-19 2003-04-15 Canon Kabushiki Kaisha Process cartridge, engaging member therefor and method for mounting developing roller and magnet
JP4136299B2 (ja) 2000-09-12 2008-08-20 キヤノン株式会社 合成樹脂製の部品結合体
JP2002221833A (ja) 2001-01-24 2002-08-09 Canon Inc 画像形成装置およびカートリッジ
JP3564080B2 (ja) 2001-04-27 2004-09-08 キヤノン株式会社 プロセスカートリッジの再生産方法
JP3542569B2 (ja) 2001-04-27 2004-07-14 キヤノン株式会社 プロセスカートリッジの再生産方法
JP3840063B2 (ja) 2001-04-27 2006-11-01 キヤノン株式会社 プロセスカートリッジ
JP4132728B2 (ja) * 2001-06-08 2008-08-13 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
JP3548558B2 (ja) 2001-12-13 2004-07-28 キヤノン株式会社 プロセスカートリッジおよび電子写真画像形成装置
US6771920B2 (en) 2002-02-21 2004-08-03 Canon Kasei Kabushiki Kaisha Charging roller including a conductive cover layer being formed of a seamless tube, process cartridge and electrophotographic image forming apparatus including such a charging roller
JP3639834B2 (ja) 2003-05-19 2005-04-20 キヤノン株式会社 梱包部材、及び、梱包部材を用いた梱包方法、及び、梱包部材の製造方法
US7099607B2 (en) 2003-06-18 2006-08-29 Canon Kabushiki Kaisha Cartridge, and toner container
US7308214B2 (en) * 2004-09-30 2007-12-11 Brother Kogyo Kabushiki Kaisha Image forming apparatus including units for recovering developing agent adhering to developing agent carriers
JP2007057620A (ja) 2005-08-22 2007-03-08 Ricoh Co Ltd 現像装置及びプロセスカートリッジ及び画像形成装置
US8014702B2 (en) * 2007-10-17 2011-09-06 Seiko Epson Corporation Liquid developer collection apparatus and image forming apparatus
JP2009251556A (ja) * 2008-04-11 2009-10-29 Toshiba Corp 画像形成装置、プロセスカートリッジ及び現像装置。
JP5521487B2 (ja) 2009-10-29 2014-06-11 ブラザー工業株式会社 現像ユニット
JP6214166B2 (ja) * 2012-04-26 2017-10-18 キヤノン株式会社 現像装置、プロセスカートリッジ及び画像形成装置
JP5894968B2 (ja) * 2013-05-31 2016-03-30 京セラドキュメントソリューションズ株式会社 ファーブラシローラー及びこれを備えた画像形成装置
EP2977820B1 (en) 2014-07-25 2021-02-17 Canon Kabushiki Kaisha Cartridge and image forming apparatus
US11079712B2 (en) * 2018-06-29 2021-08-03 Canon Kabushiki Kaisha Image forming apparatus for an intermediate transfer of a toner image and for reversely transferring collected developer to an image bearing member

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002323814A (ja) 2001-04-26 2002-11-08 Oki Data Corp 現像装置
US20050008403A1 (en) 2003-07-09 2005-01-13 Dae-Seob Kweon Image forming apparatus having a cleaning unit and a method thereof
JP2009116069A (ja) 2007-11-07 2009-05-28 Konica Minolta Business Technologies Inc 現像装置
JP2017058601A (ja) 2015-09-18 2017-03-23 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

Also Published As

Publication number Publication date
US20210373461A1 (en) 2021-12-02
JP2021189333A (ja) 2021-12-13
US11422485B2 (en) 2022-08-23
CN113759681A (zh) 2021-12-07
US12140885B2 (en) 2024-11-12
US20220350274A1 (en) 2022-11-03
CN113759681B (zh) 2024-07-23

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