Invention Grant
- Patent Title: Electrophotographic image forming apparatus and process cartridge
- Patent Title (中): 电子照相成像设备和处理盒
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Application No.: US12019902Application Date: 2008-01-25
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Publication No.: US07697879B2Publication Date: 2010-04-13
- Inventor: Taku Watanabe , Kohei Matsuda
- Applicant: Taku Watanabe , Kohei Matsuda
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2007-017743 20070129
- Main IPC: G03G15/00
- IPC: G03G15/00 ; G03G15/08 ; G03G21/00

Abstract:
An electrophotographic image forming apparatus forming an image on a recording medium, includes: an electrophotographic photosensitive member having a photoconductive layer on a rigid base; an exposure device forming a latent image on the electrophotographic photosensitive member; a developer carrying member that carries a developer to develop the latent image using the developer in contact with the electrophotographic photosensitive member; and a cleaning blade that cleans the electrophotographic photosensitive member in contact with the electrophotographic photosensitive member, wherein the following expression is satisfied: Le≧Ldr>Lcl, where Le: a longitudinal length of the photoconductive layer Le, Ldr: a longitudinal length of the developer carrying member to be contacted with the electrophotographic photosensitive member, and Lcl: a longitudinal length of the cleaning blade to be contacted with the electrophotographic photosensitive member.
Public/Granted literature
- US20080181691A1 ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE Public/Granted day:2008-07-31
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