JP6012214B2 - 現像装置 - Google Patents

現像装置 Download PDF

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Publication number
JP6012214B2
JP6012214B2 JP2012065896A JP2012065896A JP6012214B2 JP 6012214 B2 JP6012214 B2 JP 6012214B2 JP 2012065896 A JP2012065896 A JP 2012065896A JP 2012065896 A JP2012065896 A JP 2012065896A JP 6012214 B2 JP6012214 B2 JP 6012214B2
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JP
Japan
Prior art keywords
developer
screw
discharge port
rotation
carrier
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
JP2012065896A
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English (en)
Japanese (ja)
Other versions
JP2012234153A (ja
JP2012234153A5 (enExample
Inventor
淳志 松本
淳志 松本
京佑 高橋
京佑 高橋
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 JP2012065896A priority Critical patent/JP6012214B2/ja
Priority to US13/448,776 priority patent/US9841704B2/en
Publication of JP2012234153A publication Critical patent/JP2012234153A/ja
Publication of JP2012234153A5 publication Critical patent/JP2012234153A5/ja
Application granted granted Critical
Publication of JP6012214B2 publication Critical patent/JP6012214B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G03G2215/0827—Augers
    • G03G2215/0833—Augers with varying pitch on one shaft
    • 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
    • G03G2215/0836—Way of functioning of agitator means
    • G03G2215/0838—Circulation of developer in a closed loop within the sump of the developing device

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
JP2012065896A 2011-04-20 2012-03-22 現像装置 Active JP6012214B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012065896A JP6012214B2 (ja) 2011-04-20 2012-03-22 現像装置
US13/448,776 US9841704B2 (en) 2011-04-20 2012-04-17 Developing device having rotating feeding member

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011093902 2011-04-20
JP2011093902 2011-04-20
JP2012065896A JP6012214B2 (ja) 2011-04-20 2012-03-22 現像装置

Publications (3)

Publication Number Publication Date
JP2012234153A JP2012234153A (ja) 2012-11-29
JP2012234153A5 JP2012234153A5 (enExample) 2015-04-30
JP6012214B2 true JP6012214B2 (ja) 2016-10-25

Family

ID=47021449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012065896A Active JP6012214B2 (ja) 2011-04-20 2012-03-22 現像装置

Country Status (2)

Country Link
US (1) US9841704B2 (enExample)
JP (1) JP6012214B2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6157059B2 (ja) 2012-04-27 2017-07-05 キヤノン株式会社 現像装置及び画像形成装置
JP2013231799A (ja) 2012-04-27 2013-11-14 Canon Inc 現像装置
JP5994662B2 (ja) * 2013-01-31 2016-09-21 富士ゼロックス株式会社 トナー搬送装置および画像形成装置
JP6300637B2 (ja) * 2014-05-23 2018-03-28 キヤノン株式会社 現像装置
JP6261445B2 (ja) 2014-05-23 2018-01-17 キヤノン株式会社 現像装置及び画像形成装置
JP6335642B2 (ja) 2014-05-23 2018-05-30 キヤノン株式会社 画像形成装置
JP6366363B2 (ja) 2014-05-23 2018-08-01 キヤノン株式会社 画像形成装置
JP6440016B2 (ja) * 2014-09-04 2018-12-19 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
JP6576127B2 (ja) * 2014-09-25 2019-09-18 キヤノン株式会社 現像装置
US10444668B2 (en) 2014-09-25 2019-10-15 Canon Kabushiki Kaisha Developing apparatus and image forming apparatus
US11199793B2 (en) 2019-06-06 2021-12-14 Canon Kabushiki Kaisha Developing apparatus
JP2021006860A (ja) * 2019-06-28 2021-01-21 ヒューレット−パッカード デベロップメント カンパニー エル．ピー．Ｈｅｗｌｅｔｔ‐Ｐａｃｋａｒｄ Ｄｅｖｅｌｏｐｍｅｎｔ Ｃｏｍｐａｎｙ， Ｌ．Ｐ． 螺旋翼及び突起部を有する現像剤搬送部
JP2025054708A (ja) 2023-09-26 2025-04-08 富士フイルムビジネスイノベーション株式会社 現像装置および画像形成装置
JP2025171521A (ja) * 2024-05-10 2025-11-20 富士フイルムビジネスイノベーション株式会社 画像形成装置および現像装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS584162A (ja) * 1981-06-30 1983-01-11 Mita Ind Co Ltd トナ−補給装置
JPS58163968A (ja) * 1982-03-24 1983-09-28 Konishiroku Photo Ind Co Ltd 現像装置
US5607235A (en) * 1990-07-13 1997-03-04 Campbell; Craig C. High speed combined mixing and transport tool
JP2000112238A (ja) * 1998-09-30 2000-04-21 Fuji Xerox Co Ltd 現像装置
JP4095544B2 (ja) 2002-12-12 2008-06-04 キヤノン株式会社 現像装置
JP3919683B2 (ja) * 2003-03-10 2007-05-30 キヤノン株式会社 現像装置
JP4677243B2 (ja) 2005-02-04 2011-04-27 株式会社リコー 画像形成装置
JP4819547B2 (ja) 2006-03-29 2011-11-24 キヤノン株式会社 現像装置
JP4492665B2 (ja) * 2007-10-03 2010-06-30 富士ゼロックス株式会社 現像剤撹拌搬送部材、現像装置及びこれを備えた画像形成装置
JP4946938B2 (ja) * 2008-03-27 2012-06-06 富士ゼロックス株式会社 現像剤搬送装置及びこれを用いた現像装置、並びに画像形成装置
CN101738910A (zh) * 2008-11-17 2010-06-16 株式会社东芝 显影装置、显影方法以及图像形成装置
JP4702466B2 (ja) * 2009-03-09 2011-06-15 富士ゼロックス株式会社 現像器、プロセスカートリッジ及び画像形成装置
JP4846831B2 (ja) * 2009-07-30 2011-12-28 シャープ株式会社 トナーカートリッジ及びこれを用いる画像形成装置
JP5571371B2 (ja) * 2009-12-25 2014-08-13 三星電子株式会社 現像装置および画像形成装置
JP5003780B2 (ja) * 2010-03-24 2012-08-15 コニカミノルタビジネステクノロジーズ株式会社 現像装置および画像形成装置

Also Published As

Publication number Publication date
JP2012234153A (ja) 2012-11-29
US9841704B2 (en) 2017-12-12
US20120269555A1 (en) 2012-10-25

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