Developing unit for electrophotographic image forming apparatus

Details Developing unit for electrophotographic image forming apparatus Developing unit for electrophotographic image forming apparatus

2006-07-11

2006-07-11

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Photoconductive member

C399S119000

Reexamination Certificate

active

07076190

ABSTRACT:
A developing unit for an electrophotographic image forming apparatus is provided. The developing unit is rotatably installed in a photosensitive unit on which a photosensitive drum is mounted, centering on a hinge, and comprises a developing roller. The developing roller faces the photosensitive drum, is rotated, and develops an electrostatic latent image formed on the photosensitive drum. A center of a first idle gear to which a driving force is primarily transferred from a photosensitive drum gear formed as a single body in the photosensitive drum, is placed in the center of the hinge between the photosensitive drum gear and a developing roller gear formed as a single body in the developing roller.

REFERENCES:
patent: 5950048 (1999-09-01), Okumura et al.
patent: 5-035076 (1993-02-01), None
patent: 7-199648 (1995-08-01), None
patent: 2000-75623 (2000-03-01), None

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