Roller separating apparatus for laser printer

Details Roller separating apparatus for laser printer Roller separating apparatus for laser printer

1998-07-16

1999-09-21

Grimley, Arthur T.

Electrophotography

Image formation

Transfer

399308, G03G 1516

Patent

active

059565535

ABSTRACT:
A roller separating apparatus for a laser printer having a transfer backup roller, a steering roller, and a driving roller around which a photoreceptor belt circulatingly travels. The roller separating apparatus includes a first frame on which the transfer backup roller is rotatably installed. First and second eccentric cams are mounted for rotation on the first frame. A transfer roller is rotatably installed on a second frame which moves with respect to the first frame via engagement with a cam surface of the first eccentric cam. A fusing roller is rotatably installed on a third frame which moves with respect to the second frame via engagement with a cam surface of the second eccentric cam.

REFERENCES:
patent: 5023667 (1991-06-01), Negoro et al.
patent: 5051783 (1991-09-01), Sato

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