Developing cartridge and electrophotographic image forming...

Details Developing cartridge and electrophotographic image forming... Developing cartridge and electrophotographic image forming...

2008-01-22

2008-01-22

Chen, Sophia S. (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

Reexamination Certificate

active

11242080

ABSTRACT:
A developing cartridge is provided including a first frame on which a photosensitive drum is arranged, a second frame which is pivotably coupled to the first frame, and a developing roller which is coupled to the second frame. A pair of gap maintaining elements configured to facilitate maintenance of a constant developing gap are arranged on both ends of the developing roller. The developing roller and the pair of gap maintaining elements are arranged on the second frame to pivot in a direction opposite to a pivoting direction of the second frame.

REFERENCES:
patent: 2002/0071693 (2002-06-01), Shimaoka
patent: 2002/0122674 (2002-09-01), Yokoi et al.
patent: 2003/0185587 (2003-10-01), Kawai et al.
patent: 03-264967 (1991-11-01), None
patent: 05-323693 (1993-12-01), None
patent: 08-211739 (1996-08-01), None
patent: 09-152826 (1997-06-01), None
patent: 11-038722 (1999-02-01), None
patent: 2004-000640 (2004-01-01), None
patent: 2004-003376 (2004-01-01), None

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