Sheet feeder

Details Sheet feeder Sheet feeder

1986-07-29

1988-08-30

Schacher, Richard A.

Sheet feeding or delivering

Delivering to stack and feeding therefrom

With sheet sensor for selective location

271188, 271209, 271314, 101348, 400625, B65H 2920

Patent

active

047671149

ABSTRACT:
A sheet feeder having a slip preventing mechanism having a deformable member whose tip projects from a drive discharge roller by a short length and bends in contact with a sheet to be discharged in a small area, when the sheet is located between the drive discharge roller and the driven discharge roller. The deformable member transfers the sheets forcibly with biting them. As one of the drive roller and the driven roller which contacts the printed face of the sheet is made of a material which is hard to be stained by ink when contacted to the printed sheet, neither stain nor slip incur. Alternatively, the surface of one of the discharge rollers may be made rough.

REFERENCES:
patent: 3791644 (1974-02-01), De Moore
patent: 4248415 (1981-02-01), Steinhilber

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