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PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

申请公布号:JP2003195724(A)

申请号:JP20010399096

申请日期:2001.12.28

申请公布日期:2003.07.09

申请人:
CANON INC

发明人:YASUI KOUJIRO;SHINTANI SUSUMU;ARIMITSU TAKESHI

分类号:G03G21/18;G03G15/08

主分类号:G03G21/18

摘要:<P>PROBLEM TO BE SOLVED: To provide a process cartridge that ensures the positioning accuracy of the process cartridge and an image forming apparatus, which is not affected by a variation between injection molded products or an error in weld connection between components. <P>SOLUTION: The process cartridge has an electrophotographic photoreceptor 1, a drum unit 51 holding the electrophotographic photoreceptor 1, a developing roller 40, a developing frame body 45 holding the developing roller, a toner container 41 storing developer, and a developing unit 4 including the developing frame body and the toner container. The process cartridge also has a developing means for developing a latent image formed on the electrophotographic photoreceptor. In the process cartridge, by using a single component given a trim margin in advance, the process cartridge is trimmed after or during the assembly of the process cartridge, thereby offsetting a variation between cabinets or an error in weld connection and improving accuracy in completion. The process cartridge 7 is attached to a trimming tool serving as the cartridge mounting portion of the image forming apparatus main body. Using a horn 70, a production margin 46z provided on an acting portion 46 is removed in order to make height h constant. <P>COPYRIGHT: (C)2003,JPO

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