Developing device and image forming apparatus including same

Details Developing device and image forming apparatus including same Developing device and image forming apparatus including same

2011-07-05

2011-07-05

Gray, David M (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S253000, C399S254000

Reexamination Certificate

active

07974548

ABSTRACT:
A developing device of the present invention has a toner supply opening in a first carrying path and in the upstream of the developer carrying direction of a first carrying screw which is further from a developing roller; and a moquette member having feathers on its surface, and being provided, along the developer carrying direction, on the first carrying path. With this arrangement, it is possible to realize a compact developing device having a simple arrangement in which the supplied toner is speedily mixed with the preexisted developer, and the stable toner which is uniformly dispersed and charged can be speedily supplied for development.

REFERENCES:
patent: 5579094 (1996-11-01), Behe et al.
patent: 10-063081 (1998-03-01), None
patent: 2000-089550 (2000-03-01), None
patent: 2005-091854 (2005-04-01), None

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