Paper feeding device

Details Paper feeding device Paper feeding device

1996-09-11

1999-03-16

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

271121, 271125, B65H 306

Patent

active

058820027

ABSTRACT:
In a paper feeding device capable of separately transporting paper without reversely rotating a retard roller being provided with feed rollers and retard rollers which separately transport, sheet by sheet, paper fed from paper feed trays by pickup rollers, a rotary drive unit for rotating the feed rollers in a paper transporting direction, and a pressing unit for pressing the retard rollers against the feed rollers. In the paper feeding device, a retard roller braking unit which supports the retard rollers so as to rotate together with the rotation of the peripheral surface of the feed rollers when the retard rollers are pressed against the rotating feed rollers, and which applies a braking force to the rotating retard rollers.

REFERENCES:
patent: 4368881 (1983-01-01), Landa
patent: 4480827 (1984-11-01), Shultz et al.
patent: 4801134 (1989-01-01), Yokoyama et al.
patent: 5007627 (1991-04-01), Giannetti et al.
patent: 5039080 (1991-08-01), Koto et al.
patent: 5122841 (1992-06-01), Sasaki
patent: 5462267 (1995-10-01), Hori

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