Process cartridge having developing roller and...

Details Process cartridge having developing roller and... Process cartridge having developing roller and...

2007-02-27

2007-02-27

Brase, Sandra L. (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

Reexamination Certificate

active

10950574

ABSTRACT:
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus including a cam movable between first and second positions. The cartridge includes a photosensitive drum, a developing roller contactable to the drum to develop a latent image on the drum, a first frame supporting the drum, a second frame supporting the roller and connected with the first frame for rotation about a rotational axis so that roller and the drum are contacted to or spaced from each other, a cam engaging portion for receiving from the cam which is located at the first position a force to space the roller and the drum from each other in a state in which upward movement of the first frame is limited when the cartridge is mounted to the main assembly.

REFERENCES:
patent: 6795673 (2004-09-01), Yoshizawa
patent: 2002/0110386 (2002-08-01), Kanno et al.
patent: 2003/0156856 (2003-08-01), Arimitsu et al.
patent: 2005/0025521 (2005-02-01), Mori et al.
patent: 2005/0069342 (2005-03-01), Kanno et al.

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