Process cartridge and electrophotographic image forming...

Details Process cartridge and electrophotographic image forming... Process cartridge and electrophotographic image forming...

2005-07-26

2005-07-26

Chen, Sophia S. (Department: 2852)

Electrophotography

Machine operation

Electrical connection

C399S111000

Reexamination Certificate

active

06922536

ABSTRACT:
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes an electrophotographic photosensitive drum; a processor actable on the drum; an electroconductive shaft member supporting and electrically connected with the drum; a cartridge frame for rotatably supporting the drum; a grounding contact member mounted on the frame and including a sliding contact for sliding contact with the shaft member and a fixed contact contacted to an urging member provided in the assembly; a cartridge positioning member for positioning an axis of the drum, wherein the positioning member is urged to a positioning portion of the assembly by the fixed contact being urged by the urging member when the cartridge is mounted to the assembly, wherein by the fixed contact being contacted and urged by the urging member the drum is electrically grounded, and the cartridge positioning member is positioned relative to the positioning portion.

REFERENCES:
patent: 6240266 (2001-05-01), Watanabe et al.
patent: 6311026 (2001-10-01), Higeta et al.
patent: 6480687 (2002-11-01), Kawai et al.
patent: 04-282681 (1992-10-01), None
patent: 06-019227 (1994-01-01), None
patent: 10-039681 (1998-02-01), None
patent: HEI 10-254328 (1998-09-01), None
patent: 2001-166667 (2001-06-01), None

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