JP7604186B2 - 現像装置 - Google Patents

現像装置 Download PDF

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Publication number
JP7604186B2
JP7604186B2 JP2020191309A JP2020191309A JP7604186B2 JP 7604186 B2 JP7604186 B2 JP 7604186B2 JP 2020191309 A JP2020191309 A JP 2020191309A JP 2020191309 A JP2020191309 A JP 2020191309A JP 7604186 B2 JP7604186 B2 JP 7604186B2
Authority
JP
Japan
Prior art keywords
developer
supply
conveying screw
blade
conveying
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
JP2020191309A
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English (en)
Japanese (ja)
Other versions
JP2022080328A5 (enExample
JP2022080328A (ja
Inventor
浩司 重廣
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 JP2020191309A priority Critical patent/JP7604186B2/ja
Priority to US17/517,717 priority patent/US11599043B2/en
Publication of JP2022080328A publication Critical patent/JP2022080328A/ja
Publication of JP2022080328A5 publication Critical patent/JP2022080328A5/ja
Application granted granted Critical
Publication of JP7604186B2 publication Critical patent/JP7604186B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G03G15/0889—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for agitation or stirring
    • 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
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0879—Arrangements for metering and dispensing developer from a developer cartridge into the development unit for dispensing developer from a developer cartridge not directly attached to the development 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
    • G03G15/0822—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
    • 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
    • G03G2215/0833—Augers with varying pitch on one shaft

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
JP2020191309A 2020-11-18 2020-11-18 現像装置 Active JP7604186B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020191309A JP7604186B2 (ja) 2020-11-18 2020-11-18 現像装置
US17/517,717 US11599043B2 (en) 2020-11-18 2021-11-03 Developing apparatus having multi-blade portion replenishment conveyance screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020191309A JP7604186B2 (ja) 2020-11-18 2020-11-18 現像装置

Publications (3)

Publication Number Publication Date
JP2022080328A JP2022080328A (ja) 2022-05-30
JP2022080328A5 JP2022080328A5 (enExample) 2023-11-17
JP7604186B2 true JP7604186B2 (ja) 2024-12-23

Family

ID=81587474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020191309A Active JP7604186B2 (ja) 2020-11-18 2020-11-18 現像装置

Country Status (2)

Country Link
US (1) US11599043B2 (enExample)
JP (1) JP7604186B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025091106A (ja) 2023-12-06 2025-06-18 京セラドキュメントソリューションズ株式会社 現像装置及び画像形成装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006106601A (ja) 2004-10-08 2006-04-20 Sharp Corp 現像装置及び画像形成装置
JP2009122555A (ja) 2007-11-16 2009-06-04 Fuji Xerox Co Ltd 現像装置および画像形成装置
JP2018194783A (ja) 2017-05-22 2018-12-06 キヤノン株式会社 スクリュー及び現像装置
JP2019070708A (ja) 2017-10-06 2019-05-09 キヤノン株式会社 現像装置
JP2020020964A (ja) 2018-07-31 2020-02-06 キヤノン株式会社 搬送スクリュー及び現像装置
JP2020052223A (ja) 2018-09-26 2020-04-02 キヤノン株式会社 スクリュー及び現像装置
JP2020052079A (ja) 2018-09-21 2020-04-02 富士ゼロックス株式会社 搬送用部材、現像装置、および、画像形成装置
US20200301315A1 (en) 2019-03-20 2020-09-24 Toshiba Tec Kabushiki Kaisha Developing device and image forming apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5434228B2 (ja) 2009-04-21 2014-03-05 富士ゼロックス株式会社 現像剤撹拌搬送部材及びこれを用いた現像装置、画像形成装置
JP6079242B2 (ja) 2013-01-09 2017-02-15 富士ゼロックス株式会社 現像剤撹拌搬送部材、現像装置、及び画像形成装置
JP2018010253A (ja) 2016-07-15 2018-01-18 キヤノン株式会社 画像形成装置
JP2018116245A (ja) 2017-01-20 2018-07-26 キヤノン株式会社 現像装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006106601A (ja) 2004-10-08 2006-04-20 Sharp Corp 現像装置及び画像形成装置
JP2009122555A (ja) 2007-11-16 2009-06-04 Fuji Xerox Co Ltd 現像装置および画像形成装置
JP2018194783A (ja) 2017-05-22 2018-12-06 キヤノン株式会社 スクリュー及び現像装置
JP2019070708A (ja) 2017-10-06 2019-05-09 キヤノン株式会社 現像装置
JP2020020964A (ja) 2018-07-31 2020-02-06 キヤノン株式会社 搬送スクリュー及び現像装置
JP2020052079A (ja) 2018-09-21 2020-04-02 富士ゼロックス株式会社 搬送用部材、現像装置、および、画像形成装置
JP2020052223A (ja) 2018-09-26 2020-04-02 キヤノン株式会社 スクリュー及び現像装置
US20200301315A1 (en) 2019-03-20 2020-09-24 Toshiba Tec Kabushiki Kaisha Developing device and image forming apparatus

Also Published As

Publication number Publication date
US20220155709A1 (en) 2022-05-19
US11599043B2 (en) 2023-03-07
JP2022080328A (ja) 2022-05-30

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