Electrophotography – Document handling – Copy
Reexamination Certificate
2007-12-11
2007-12-11
Nguyen, Anthony H (Department: 2854)
Electrophotography
Document handling
Copy
C399S394000
Reexamination Certificate
active
11033750
ABSTRACT:
Provided are a paper arranging apparatus and an electrophotographic image forming apparatus. The paper arranging apparatus of an electrographic image forming apparatus has a driving roller and an idle roller facing closely to each other and forming a nip therebetween. A shutter arranges a sheet of paper by contacting a front edge portion of the paper before the front edge portion of the paper enters the nip and rotates after being pushed by the front edge portion of the paper to not interrupt the movement of the paper along the conveyance path. A flag is connected to a rotary shaft of the shutter to rotate in a same direction and at a same rotating angle as the shutter. A sensor senses position variations of the rotating flag and generates a signal representing a position of the paper that is being conveyed. The rotary shaft of the shutter is positioned to return the shutter to an initial position by being rotated in an opposite direction by its own weight after the paper has passed through the nip of the roller. The electrophotographic image forming apparatus having the paper arranging apparatus develops an image on an outer circumferential surface of a photosensitive medium and transfers the image onto a sheet of paper that is conveyed along a predetermined conveying path. The transferred image is fused onto the paper by a thermocompression method.
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Nguyen Anthony H
Roylance Abrams Berdo & Goodman L.L.P.
Samsung Electronics Co,. Ltd.
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