Paper feeding device and paper curling correcting device

Details Paper feeding device and paper curling correcting device Paper feeding device and paper curling correcting device

1993-12-13

1995-07-18

Bollinger, David H.

Sheet feeding or delivering

Feeding

Multiple supplies

B65H 344

Patent

active

054334250

ABSTRACT:
In a time period from the time point where the forward end of a paper sheet fed from a pair of paper separation rollers reaches a registration roller to the time point where the registration roller is driven, when the load torque exerted on a forward roller is not less than second regulated torque, the transmission of power to the forward roller is released by a torque limiter provided for the forward roller. In this case, therefore, the force of paper feeding produced by the pair of paper separation rollers is regulated. Consequently, a suitable force of paper feeding can be applied to the paper sheet, thereby to make it possible to regulate the paper sheet straight in the direction of paper feeding as well as to prevent the paper sheet from continuing to be fed even if the amount of deflection of the paper sheet is saturated between the pair of paper separation rollers and the registration roller to prevent the paper sheet from being wrinkled.

REFERENCES:
patent: 3961786 (1976-06-01), Yanker
patent: 4674736 (1987-06-01), Tsubo
patent: 4855794 (1989-08-01), Suzuki
patent: 5029840 (1991-07-01), Haga
patent: 5039080 (1991-08-01), Kato
patent: 5050854 (1991-09-01), Tajima
patent: 5069434 (1991-12-01), Sellers
patent: 5085420 (1992-02-01), Sata
patent: 5158279 (1992-10-01), Laffey
patent: 5199695 (1993-04-01), Nakahata et al.
patent: 5232211 (1993-08-01), Kubota
patent: 5253856 (1993-10-01), Fuchi et al.

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