Image forming apparatus with toner supplying roller

Details Image forming apparatus with toner supplying roller Image forming apparatus with toner supplying roller

2007-06-13

2010-12-28

Gray, David M (Department: 2852)

Electrophotography

Image formation

Development

C399S265000, C399S272000, C399S279000, C492S017000, C492S018000, C492S056000, C492S059000, C430S123300

Reexamination Certificate

active

07860436

ABSTRACT:
A developing device has a developer bearing member, a housing adapted to accommodate a developer, and a supply roller adapted to supply the developer within the housing for the developer bearing member. The supply roller has an outer circumferencial foam layer made of resin or rubber. The foam layer has an air permeability of 150-200 ml/cm2/s, a hardness of 50-200 N, and an average cell density of 20-40 per 25 mm width.

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Notification of Reason(s) for Refusal in JP 2006-163053 dated Apr. 15, 2008, and Translations thereof.

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