Developing device and image forming apparatus

Details Developing device and image forming apparatus Developing device and image forming apparatus

2006-07-11

2006-07-11

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Development

C399S265000, C399S252000

Reexamination Certificate

active

07076194

ABSTRACT:
A developing device includes an endless belt stretched around a plurality of support members, a portion of a peripheral surface of the endless belt contacting a portion of a surface of an image carrying member at a contact region, the endless belt being rotated by a driving force transmitted from a driving device at a driving transmission position, and a layer regulating member pressed against a portion of the endless belt at a pressure contact region positioned upstream, with respect to the endless belt's rotation direction, from the contact region. Further provided is a load device applying, to at least a portion of the endless belt between the pressure contact region and the contact region, which is positioned upstream, with respect to the endless belt's rotation direction, from the driving transmission position, a load acting in a direction opposite to the rotation direction of the endless belt.

REFERENCES:
patent: 4412733 (1983-11-01), Doutney
patent: 5602632 (1997-02-01), Kuehnle
patent: 2-221977 (1990-09-01), None
patent: 6-222657 (1994-08-01), None
patent: 7-13437 (1995-01-01), None

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