Developer cartridges, process cartridges, and image...

Details Developer cartridges, process cartridges, and image... Developer cartridges, process cartridges, and image...

2011-07-12

2011-07-12

Porta, David P (Department: 2884)

Electrophotography

Machine operation

Electrical connection

C399S012000, C399S119000

Reexamination Certificate

active

07978997

ABSTRACT:
When a developer cartridge is not attached to an image formation apparatus body frame, a developer electrode included with the cartridge is disposed at a retract position at which the developer electrode does not protrude outside the cartridge. This protects the developer electrode from damage possibly caused by interference or contact with other components. After the developer cartridge is attached to the body frame, when the developer roller is rotated, the developer electrode is displaced to a connection position at which the developer electrode protrudes outside the cartridge (and is connected to a power supply electrode provided with the body frame).

REFERENCES:
patent: 6823160 (2004-11-01), Okabe
patent: 2004/0028424 (2004-02-01), Yokoi
patent: 2005/0063735 (2005-03-01), Okabe
patent: 2005/0135831 (2005-06-01), Kawaguchi et al.
patent: 2005/0135832 (2005-06-01), Kubota et al.
patent: 08-234563 (1996-09-01), None
patent: 11-282324 (1999-10-01), None
patent: 2000-356902 (2000-12-01), None
patent: 2002169449 (2002-06-01), None
patent: 2005-241949 (2005-09-01), None
Notice of Reasons for Rejection: Dispatch Number: 599492, Mailing Date: Oct. 2, 2008, Patent Application No. 2005-268926.

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