JP2006003736A5 - - Google Patents

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Publication number
JP2006003736A5
JP2006003736A5 JP2004181421A JP2004181421A JP2006003736A5 JP 2006003736 A5 JP2006003736 A5 JP 2006003736A5 JP 2004181421 A JP2004181421 A JP 2004181421A JP 2004181421 A JP2004181421 A JP 2004181421A JP 2006003736 A5 JP2006003736 A5 JP 2006003736A5
Authority
JP
Japan
Prior art keywords
developer
latent image
conveying screw
developing device
developing
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.)
Granted
Application number
JP2004181421A
Other languages
Japanese (ja)
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JP2006003736A (en
JP4547194B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2004181421A priority Critical patent/JP4547194B2/en
Priority claimed from JP2004181421A external-priority patent/JP4547194B2/en
Publication of JP2006003736A publication Critical patent/JP2006003736A/en
Publication of JP2006003736A5 publication Critical patent/JP2006003736A5/ja
Application granted granted Critical
Publication of JP4547194B2 publication Critical patent/JP4547194B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (4)

内部の磁石によって二成分現像剤を担持し、潜像担持体と対向する現像領域に前記現像剤を搬送する現像剤担持体と、前記現像剤担持体に対して下方から延在して対向配置され、同現像剤担持体に担持された現像剤の層厚を規制する現像剤規制部を有する規制部材と、前記現像剤担持体に向けて現像剤を案内する搬送スクリューと、少なくとも前記規制部材と前記搬送スクリューとを支持する現像ケーシングとを備え、前記潜像担持体上の潜像を現像する現像装置において、
前記規制部材よりも前記現像剤担持体の移動方向上流側に、前記現像ケーシングの内部に向かって同ケーシングから突出して前記現像剤の受け面となる受け部材が設けられ、
前記規制部材と前記受け部材との隙間にシール部材が介装されていることを特徴とする現像装置。 A two-component developer is carried by an internal magnet, and a developer carrying member that conveys the developer to a developing region that faces the latent image carrying member, and is arranged opposite to the developer carrying member so as to extend from below. A regulating member having a developer regulating portion that regulates the layer thickness of the developer carried on the developer carrying body, a conveying screw that guides the developer toward the developer carrying body, and at least the regulating member And a developing casing that supports the conveying screw, and a developing device that develops a latent image on the latent image carrier,
A receiving member that protrudes from the casing toward the inside of the developing casing and serves as a receiving surface for the developer is provided upstream of the regulating member in the moving direction of the developer carrying member .
A developing device , wherein a seal member is interposed in a gap between the regulating member and the receiving member . 前記搬送スクリューから前記現像剤担持体へと汲み上げられた現像剤が滞留するように、前記搬送スクリューと前記現像剤担持体との間に、前記受け面と該受け面から屈曲して形成された面とによって空間が形成されてあることを特徴とする請求項１記載の現像装置。 Formed by bending the receiving surface and the receiving surface between the conveying screw and the developer carrier so that the developer pumped from the conveying screw to the developer carrier is retained. 2. The developing device according to claim 1, wherein a space is formed by the surface . 潜像担持体と、
請求項１または２に記載の現像装置を有することを特徴とするプロセスカートリッジ。 A latent image carrier;
A process cartridge comprising the developing device according to claim 1. 請求項３記載のプロセスカートリッジを備えた画像形成装置。   An image forming apparatus comprising the process cartridge according to claim 3.
JP2004181421A 2004-06-18 2004-06-18 Development device, process cartridge, image forming device Expired - Fee Related JP4547194B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004181421A JP4547194B2 (en) 2004-06-18 2004-06-18 Development device, process cartridge, image forming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004181421A JP4547194B2 (en) 2004-06-18 2004-06-18 Development device, process cartridge, image forming device

Publications (3)

Publication Number Publication Date
JP2006003736A JP2006003736A (en) 2006-01-05
JP2006003736A5 true JP2006003736A5 (en) 2008-06-19
JP4547194B2 JP4547194B2 (en) 2010-09-22

Family

ID=35772160

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004181421A Expired - Fee Related JP4547194B2 (en) 2004-06-18 2004-06-18 Development device, process cartridge, image forming device

Country Status (1)

Country Link
JP (1) JP4547194B2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3984833B2 (en) * 2001-01-16 2007-10-03 キヤノン株式会社 Method for regenerating developer carrier
JP2004139031A (en) * 2002-09-24 2004-05-13 Ricoh Co Ltd Image forming apparatus, replenishment toner storage container, and process cartridge
JP4310092B2 (en) * 2002-10-02 2009-08-05 キヤノン株式会社 Two-component developer and full-color image forming method
JP2004151413A (en) * 2002-10-31 2004-05-27 Panasonic Communications Co Ltd Developing device, process unit and image forming apparatus

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