Process cartridge and electrophotographic image forming apparatu

Details Process cartridge and electrophotographic image forming apparatu Process cartridge and electrophotographic image forming apparatu

1997-08-27

1999-07-27

Pendegrass, Joan H.

Electrophotography

Having particular structure

Modular or displaceable

399167, G03G 1500, G03G 2118

Patent

active

059305622

ABSTRACT:
A process cartridge detachably mountable to a frame of an image forming apparatus includes an electrophotographic photosensitive drum, a process device actable on the electrophotographic photosensitive drum, a drum flange provided on an end of the electrophotographic photosensitive drum and having a gear portion, the gear portion serving to transmit a driving force acting on the process cartridge when the process cartridge is mounted to the main body of the image forming apparatus, and a cleaning frame for rotatably supporting the electrophotographic photosensitive drum. The side surfaces, the upper surface, the lower surface and the front surface of the gear potion of the drum flange in a process cartridge mounting direction are covered. The process cartridge is mounted to the main body of the image forming apparatus from a direction transverse to a longitudinal direction of the electrophotographic photosensitive drum, when the process cartridge is mounted to the frame of the image forming apparatus.

REFERENCES:
patent: 4591258 (1986-05-01), Nishino et al.
patent: 5596388 (1997-01-01), Ohkubo et al.
patent: 5729796 (1998-03-01), Miura et al.

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