Process cartridge and electrophotographic image forming apparatu

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

1997-09-26

1999-12-21

Royer, William J.

Electrophotography

Image formation

Photoconductive member

G03G 1500

Patent

active

060060581

ABSTRACT:
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the main assembly includes a motor, a main assembly side gear for receiving driving force from the motor and a non-twisted recess which is substantially coaxial with the gear, the process cartridge includes an electrophotographic photosensitive drum; a process device actable on the photosensitive drum; and a non-twisted projection engageable with the recess, the projection being provided at a longitudinal end of the photosensitive drum, wherein when the main assembly side gear rotates with the recess and projection engaged with each other, rotational driving force is transmitted from the gear to the photosensitive drum through engagement between the recess and the projection.

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European Search Report.

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