Electrophotographic photosensitive drum process cartridge...

Details Electrophotographic photosensitive drum process cartridge... Electrophotographic photosensitive drum process cartridge...

2005-05-24

2005-05-24

Grimley, Arthur T. (Department: 2852)

Electrophotography

Image formation

Photoconductive member

Reexamination Certificate

active

06898399

ABSTRACT:
An electrophotographic photosensitive drum is for a process cartridge detachably mountable to a main assembly of an electrophotographic image-forming apparatus. The process cartridge includes a charging roller for electrically charging the photosensitive drum and a developing roller for developing a latent image formed on the drum. The drum includes a drum helical gear, mounted to one end of the cylinder, for transmitting a rotational driving force to a transfer roller provided in a main assembly, and for transmiting a rotational driving force to the charging roller and the developing roller. A shaft portion is provided at a central portion of the drum helical gear at a position where it is completely overlapped with teeth of the drum helical gear with respect to a longitudinal direction of the cylinder. A gap is provided between the teeth and a peripheral surface of the shaft portion.

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Translation of JP2003067998A.

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