JP2010033086A5 - - Google Patents

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Publication number
JP2010033086A5
JP2010033086A5 JP2009258687A JP2009258687A JP2010033086A5 JP 2010033086 A5 JP2010033086 A5 JP 2010033086A5 JP 2009258687 A JP2009258687 A JP 2009258687A JP 2009258687 A JP2009258687 A JP 2009258687A JP 2010033086 A5 JP2010033086 A5 JP 2010033086A5
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JP
Japan
Prior art keywords
drum
main body
process cartridge
photosensitive drum
cartridge according
Prior art date
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JP2009258687A
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Japanese (ja)
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JP2010033086A (en
JP4739446B2 (en
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Priority to JP2009258687A priority Critical patent/JP4739446B2/en
Priority claimed from JP2009258687A external-priority patent/JP4739446B2/en
Publication of JP2010033086A publication Critical patent/JP2010033086A/en
Publication of JP2010033086A5 publication Critical patent/JP2010033086A5/ja
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Publication of JP4739446B2 publication Critical patent/JP4739446B2/en
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Claims (7)

回転する第一の本体駆動伝達部材と、回転する第二の本体駆動伝達部材と、を有する電子写真画像形成装置本体に着脱可能なプロセスカートリッジにおいて、
感光ドラムと、前記感光ドラムに伝達するための第一の駆動回転力を前記第一の本体駆動伝達部材から受けるドラムカップリング部材と、有するドラムユニットと、
前記感光ドラムに形成された静電潜像を現像する現像ローラと、前記現像ローラに伝達するための第二の駆動回転力を前記第二の本体駆動伝達部材から受ける軸継手部材と、を有する現像ユニットと、
を有し、
前記軸継手部材は、前記第二の駆動回転力を受けるために前記第二の本体駆動伝達部材と係合する係合部を有し、この係合部が前記現像ローラの軸線に対して交差する方向に移動可能に構成されたことを特徴とするプロセスカートリッジ。 In a process cartridge that can be attached to and detached from an electrophotographic image forming apparatus main body having a first main body drive transmission member that rotates and a second main body drive transmission member that rotates,
A drum unit having a photosensitive drum, and a drum coupling member that receives a first driving rotational force for transmission to the photosensitive drum from the first main body drive transmission member;
A developing roller that develops the electrostatic latent image formed on the photosensitive drum; and a shaft coupling member that receives a second driving rotational force for transmission to the developing roller from the second main body driving transmission member. A development unit;
Have
The shaft coupling member has an engaging portion that engages with the second main body drive transmission member to receive the second driving rotational force, and the engaging portion intersects the axis of the developing roller. A process cartridge configured to be movable in a moving direction. 前記係合部を前記ドラムユニットに向けて付勢する付勢する付勢部材を有することを特徴とする請求項１に記載のプロセスカートリッジ。   The process cartridge according to claim 1, further comprising a biasing member that biases the engaging portion toward the drum unit. 前記付勢部材は弾性部材であることを特徴とする請求項２に記載のプロセスカートリッジ。   The process cartridge according to claim 2, wherein the biasing member is an elastic member. 前記ドラムユニットは、前記感光ドラムを回転可能に支持するドラム軸受を有し、
前記係合部は、前記ドラム軸受に付勢されていることを特徴とする請求項２または３に記載のプロセスカートリッジ。 The drum unit has a drum bearing that rotatably supports the photosensitive drum,
The process cartridge according to claim 2, wherein the engagement portion is biased by the drum bearing. 前記ドラム軸受は、前記装置本体に設けられた本***置決め部に当接して、前記ドラムユニットの位置決めをする位置決め部を有することを特徴とする請求項４に記載のプロセスカートリッジ。   5. The process cartridge according to claim 4, wherein the drum bearing has a positioning portion that contacts a main body positioning portion provided in the apparatus main body to position the drum unit. 前記現像ローラが前記感光ドラムから離れた状態において、前記感光ドラムの軸線と前記現像ローラの軸線との距離よりも、前記感光ドラムの軸線と前記係合部の軸線との距離が小さくなるように、前記係合部が前記ドラムユニットに付勢されていることを特徴とする請求項２乃至５のいずれか１項に記載のプロセスカートリッジ。   In a state where the developing roller is separated from the photosensitive drum, the distance between the axis of the photosensitive drum and the axis of the engaging portion is smaller than the distance between the axis of the photosensitive drum and the axis of the developing roller. 6. The process cartridge according to claim 2, wherein the engaging portion is biased by the drum unit. 前記軸継手部材は、オルダムカップリングであることを特徴とする請求項１乃至５のいずれかに記載のプロセスカートリッジ。   The process cartridge according to claim 1, wherein the shaft coupling member is an Oldham coupling.
JP2009258687A 2006-12-11 2009-11-12 Process cartridge Active JP4739446B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009258687A JP4739446B2 (en) 2006-12-11 2009-11-12 Process cartridge

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006332838 2006-12-11
JP2006332838 2006-12-11
JP2009258687A JP4739446B2 (en) 2006-12-11 2009-11-12 Process cartridge

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2007259661A Division JP4444997B2 (en) 2006-12-11 2007-10-03 Process cartridge and electrophotographic image forming apparatus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2011099427A Division JP5021087B2 (en) 2006-12-11 2011-04-27 Process cartridge

Publications (3)

Publication Number Publication Date
JP2010033086A JP2010033086A (en) 2010-02-12
JP2010033086A5 true JP2010033086A5 (en) 2010-11-18
JP4739446B2 JP4739446B2 (en) 2011-08-03

Family

ID=39699047

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2009258687A Active JP4739446B2 (en) 2006-12-11 2009-11-12 Process cartridge
JP2011099427A Active JP5021087B2 (en) 2006-12-11 2011-04-27 Process cartridge

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2011099427A Active JP5021087B2 (en) 2006-12-11 2011-04-27 Process cartridge

Country Status (1)

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JP (2) JP4739446B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5561595B2 (en) * 2010-05-26 2014-07-30 株式会社リコー Image forming apparatus
JP5696451B2 (en) * 2010-11-30 2015-04-08 ブラザー工業株式会社 Process cartridge
JP6287982B2 (en) * 2015-07-13 2018-03-07 京セラドキュメントソリューションズ株式会社 Image forming apparatus
JP6639632B2 (en) * 2018-12-28 2020-02-05 キヤノン株式会社 Image forming device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2141520B (en) * 1983-06-08 1986-08-28 Xerox Corp Drive shaft connector
JP2000214654A (en) * 1999-01-20 2000-08-04 Matsushita Electric Ind Co Ltd Color image forming device
JP4046933B2 (en) * 2000-08-02 2008-02-13 キヤノン株式会社 Drive transmission device and image forming apparatus having the same
JP3542583B2 (en) * 2001-02-02 2004-07-14 キヤノン株式会社 Process cartridge, electrophotographic photosensitive drum, electrophotographic image forming apparatus, and color electrophotographic image forming apparatus
JP4234403B2 (en) * 2002-11-22 2009-03-04 株式会社リコー Shaft end structure, shaft coupling, and image forming apparatus
JP2006276190A (en) * 2005-03-28 2006-10-12 Canon Inc Process cartridge and electrophotographic image forming apparatus

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