Developing cartridge, image forming apparatus, and method of...

Details Developing cartridge, image forming apparatus, and method of... Developing cartridge, image forming apparatus, and method of...

2011-05-31

2011-05-31

Walsh, Ryan D (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S113000, C399S125000

Reexamination Certificate

active

07953346

ABSTRACT:
An image forming apparatus having a developing cartridge includes a lower main body, and a developing cartridge installed in the lower main body and including a photosensitive medium. An upper main body may be separably installed on an upper side of the lower main body and includes an upper pressing member to press the developing cartridge downward. A lower pressing member, installed in the lower main body, is positioned to press the developing cartridge upward. In the case where a rotation axis of the photosensitive medium of the developing cartridge is set as a rotation center, a moment of force is applied to the developing cartridge by the upper pressing member and an opposing moment of force being is applied to the developing cartridge by the lower pressing member in the opposite direction.

REFERENCES:
patent: 5787323 (1998-07-01), Nomura et al.
patent: 2008/0226337 (2008-09-01), Han et al.
patent: 0770936 (1997-05-01), None
patent: 8006471 (1996-01-01), None
patent: 8227258 (1996-09-01), None
patent: 2006154616 (2006-06-01), None
European Search Report dated Jul. 7, 2008 in EP07122347.3.
European Examination Report issued Jul. 30, 2009 in EP Application No. 07122347.3.

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