发明名称 PROCESS CARTRIDGE
摘要 <P>PROBLEM TO BE SOLVED: To obtain an excellent image which is free from friction etc. by preventing a developing roller from abutting against a photoreceptor drum when a process cartridge is not used and distributed, and to improve operability of a user by facilitating detachment of a protective cover of the photoreceptor drum. <P>SOLUTION: A member which holds the developing roller of the process cartridge apart is provided at a position opposite to the photoreceptor drum with respect to a center of oscillation. Further, a removable protective cover is attached to the process cartridge, and a projection of the protective cover is inserted between the photoreceptor drum and a development frame supporting the developing roller. The projection of the protective cover is inserted not abutting against the photoreceptor drum and development frame. <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2009288323(A) 申请公布日期 2009.12.10
申请号 JP20080138247 申请日期 2008.05.27
申请人 CANON INC 发明人 YOSHINO YASUSHI;ANAMI OSAMU
分类号 G03G15/08;G03G15/02;G03G21/00;G03G21/18 主分类号 G03G15/08
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