Sheet feeding or delivering – Feeding – By means to change direction of sheet travel
Patent
1994-04-18
1995-05-23
Skaggs, H. Grant
Sheet feeding or delivering
Feeding
By means to change direction of sheet travel
271270, 271184, 226198, B65H 500
Patent
active
054174139
ABSTRACT:
An input roller pushes the media through the electrophotographic device at a given linear velocity. An output roller pulls the media through the electrophotographic device after the media leaves the input roller. The output roller has a linear velocity greater then the input roller's linear velocity. In-between the input and output rollers is a variable media path having an arcuate shape. A compressible media guide is placed along the concave side of the variable media path. As the media is pulled faster by the output roller, the variable media path decreases. The compressible media guide begins to compress thereby creating a constant tension in the media as it passes through the electrophotographic device. By keeping the media under a constant pressure, the likelihood of deformations is greatly reduced.
REFERENCES:
patent: 3851839 (1974-12-01), Hynes
patent: 4353540 (1982-10-01), Beery
patent: 4526361 (1985-07-01), Dubois
patent: 4669646 (1987-06-01), Oinerer
patent: 5203217 (1993-04-01), Buckley
patent: 5320339 (1994-06-01), Thomas et al.
Abraham Kwesi E.
Huffman John W.
Mui Paul K.
Webster Michael F.
Baca Anthony J.
Hewlett--Packard Company
Skaggs H. Grant
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