Automatic sheet feeding device

Details Automatic sheet feeding device Automatic sheet feeding device

1987-03-06

1987-12-01

Kashnikow, Andres

Sheet feeding or delivering

Feeding

Separator and conveyor

271116, 271122, 271125, B65H 352

Patent

active

047099119

ABSTRACT:
An automatic sheet feeding device for feeding sheets of low rigidity and high coefficient of friction, such as documents of small thickness and thin sheets with carbon backing, including feeding rollers, separating rollers, a rotating mechanism for rotating the separating rollers, and a regulating mechanism for regulating a torque applied to the separating rollers. A torque tending to rotate the separating rollers in a direction in which the sheets are fed is applied thereto by the feeding rollers, and a torque tending to rotate the separating rollers in a direction opposite the direction in which the sheets are fed is applied thereto by the separating roller rotating mechanism through the regulating mechanism for regulating the torque applied to the separating rollers which is a friction clutch. By adjusting the torque transmitting force of the friction clutch, one of the two torques is selectively applied to the separating rollers depending on whether or not the sheets are held between the feeding rollers and separating rollers.

REFERENCES:
patent: 3044770 (1962-07-01), Breuers
patent: 3788638 (1974-01-01), Lehmann
patent: 3976291 (1976-08-01), Bernadi et al.
patent: 4346880 (1982-08-01), Roller et al.

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