Developer feeding apparatus and developing apparatus

Details Developer feeding apparatus and developing apparatus Developer feeding apparatus and developing apparatus

2008-11-05

2011-12-20

Beatty, Robert (Department: 2852)

Electrophotography

Image formation

Development

C399S258000

Reexamination Certificate

active

08081907

ABSTRACT:
Cones whose rotation axes are substantially parallel to each other and whose sides maintain a constant interval therebetween are provided in a driving force transmission unit to transmit a driving force to a developer feeding member, a roller to transmit the driving force is provided between the cones, a position of the roller is moved in accordance with rotation of one cone or the other, and a rotational speed of the developer feeding member to which the driving force is transmitted from one cone changes with an increase in a number of revolutions of s driving force transmission unit.

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patent: 2004/0033083 (2004-02-01), Fukuyama et al.
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patent: 2001-166591 (2001-06-01), None
patent: 2006-194980 (2006-07-01), None
patent: 2006194980 (2006-07-01), None

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