Apparatus for controlling a sheet supplying device

Details Apparatus for controlling a sheet supplying device Apparatus for controlling a sheet supplying device

1990-05-15

1991-12-31

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separator and conveyor

271110, 271122, 271114, 271116, 271258, B65H 500

Patent

active

050765639

ABSTRACT:
An apparatus for controlling a sheet supplying device having a feeding device capable of feeding a copying sheet from a plurality of stacked copying sheets in a sheet stacking portion and a reversing device capable of returning copying sheets desired not to be fed at an instance of feeding process includes an unit for applying a rotational driving force to the feeding device so as to draw a copying sheet out of the stacked copying sheets in the sheet stacking portion by rotating the feeding device in one direction, and an unit for applying a rotational driving force to the reversing device so as to return a copying sheet desired not to be fed to the sheet stacking portion at a time when a plurality of copying sheets are simultaneously fed out from the sheet stacking portion by rotating the reversing device in another direction. The apparatus also includes an unit for controlling both of the applying units such that the rotational driving force applied to the feeding device is stopped at a time when a copying sheet to be fed has passed on the feeding device and the rotational driving force applied to the reversing device is kept to apply to the reversing device at least for a predetermined time period after stopping to apply the rotational driving force to the feeding device. The applying unit for applying the rotational force to the feeding device is capable of applying a rotational force which is enable to rotate the feeding device in the another direction. The controlling unit is capable of applying a rotational driving force to the feeding device so as to rotate in the another direction for a constant time period.

REFERENCES:
patent: 3857559 (1974-12-01), McInerny
patent: 3961786 (1976-06-01), Yanker
patent: 4709911 (1987-12-01), Saiki et al.
patent: 4822023 (1989-04-01), Miyoshi

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