Developing device having gears with moveable positions

Details Developing device having gears with moveable positions Developing device having gears with moveable positions

2011-06-21

2011-06-21

Gray, David M (Department: 2852)

Electrophotography

Image formation

Development

C399S119000, C399S258000, C399S222000, C399S261000

Reexamination Certificate

active

07965962

ABSTRACT:
A developing device includes a developing housing that supports a developer carrier, and a developer cartridge. The developer cartridge includes a cartridge housing that is configured to accommodate developer, an agitator that is provided in the cartridge housing and is configured to agitate the developer by a driving force, and a transmission gear that is configured to transmit the driving force to the agitator. The developing housing comprises a moving gear that is movable between a meshing position in which the moving gear meshes with the transmission gear and a spaced-apart position in which the moving gear is spaced apart from the meshing position. The moving gear is configured to transmit the driving force from the transmission gear to the agitator.

REFERENCES:
patent: 5913097 (1999-06-01), Nakano et al.
patent: 2006/0088340 (2006-04-01), Kimijima et al.
patent: 2006/0104670 (2006-05-01), Nishitani et al.
patent: 2006/0171739 (2006-08-01), Nakaya
patent: 0 650 105 (1995-04-01), None
patent: 1 657 600 (2006-05-01), None
patent: 09-222785 (1997-08-01), None
patent: 10-240008 (1998-09-01), None
patent: 2006-208532 (2006-08-01), None
Search Report received for corresponding European Application 08 01 0628, mailed Feb. 18, 2011.

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