Curved transfer assist blade

Details Curved transfer assist blade Curved transfer assist blade

2008-04-08

2008-04-08

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Transfer

C399S121000, C399S388000

Reexamination Certificate

active

11363784

ABSTRACT:
Embodiments herein include a transfer assist blade that is adapted to bias media toward a marking device. The transfer assist blade is somewhat flexible and has a media contact edge positioned adjacent the marking device. The shape of the media contact edge comprises a curved shape. More specifically, the transfer assist blade assembly comprises a base and a transfer assist blade operatively connected to (or made an integral part of) the base. The curved media contact edge of the transfer assist blade comprises a center portion and end portions distal to the center portion, and the center portion extends a different distance from the base than the end portions extend from the base. Thus, the shape of the media contact edge can comprise one of a convex shape, a concave shape, and an irregular shape.

REFERENCES:
patent: 6134398 (2000-10-01), Grace
patent: 7092663 (2006-08-01), Takahashi et al.
patent: 2003/0039488 (2003-02-01), Fayette et al.
patent: 2003/0039490 (2003-02-01), Obrien et al.
patent: 2003/0108369 (2003-06-01), Kuo et al.
patent: 2007/0104519 (2007-05-01), Soures et al.

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