Photosensitive-member cartridge, developing cartridge, and...

Details Photosensitive-member cartridge, developing cartridge, and... Photosensitive-member cartridge, developing cartridge, and...

2006-08-08

2009-12-29

Grainger, Quana M (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

Reexamination Certificate

active

07639967

ABSTRACT:
A photosensitive-member cartridge has an upper registration roller, and both ends of the upper registration roller are rotatably supported on respective side walls of a casing by roller support members. Torsion coil springs are engaged with the roller support members and the side walls, and urge the upper registration roller upward. When the photosensitive-member cartridge is alone, the upper registration roller is held at a retract position with respect to a bottom wall of the casing without rattling.

REFERENCES:
patent: 5794101 (1998-08-01), Watanabe et al.
patent: 2004/0265002 (2004-12-01), Tsusaka
patent: 03015864 (1991-01-01), None
patent: 2001-75457 (2001-03-01), None
patent: 2004001935 (2004-01-01), None

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