Roller member urging mechanism and image forming apparatus

Details Roller member urging mechanism and image forming apparatus Roller member urging mechanism and image forming apparatus

2007-10-30

2010-12-14

Lee, Susan S (Department: 2884)

Electrophotography

Machine operation

Electrical connection

C399S313000, C439S017000

Reexamination Certificate

active

07853169

ABSTRACT:
A roller member urging mechanism includes: a roller member having a roller shaft and coming in contact with a predetermined member; a casing for holding the roller member, the casing being electrically insulative; a bearing for receiving the roller shaft, the bearing being provided in the casing slidably in a direction substantially orthogonal to the roller shaft of the roller member, the bearing being electrically conductive; and a strip member provided in the casing near the bearing and serving as a contact for supplying electricity to the roller member. The strip member being a spring-like single member operable to come in contact with the bearing to press the roller member against the predetermined member through the bearing.

REFERENCES:
patent: 6315620 (2001-11-01), Moir et al.
patent: 2005/0220476 (2005-10-01), Kakitani et al.
patent: 2005/0254854 (2005-11-01), Deguchi
patent: 2005/0271416 (2005-12-01), Kinoshita et al.
patent: 09319239 (1997-12-01), None
patent: 2000-250333 (2000-09-01), None

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