Paper feeding apparatus

Details Paper feeding apparatus Paper feeding apparatus

1989-02-10

1990-06-05

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separators

271 11, 271147, B65H 308

Patent

active

049307630

ABSTRACT:
A paper feeding apparatus is provided wherein a paper supply shelf with a stack of paper sheets, from which the uppermost paper sheet of the stack is picked up, is guided for vertical movement and urged upwardly by the resilient force of a spring, and the upward movement of the paper supply shelf is limited by the engagement of the uppermost sheet of the stack with a stopper. The shelf is intermittently pushed down for a predetermined constant stroke by a click and ratchet arrangement. The picking up operation of the uppermost paper sheet of the stack is interlocked with the intermittently pushing down operation of the paper supply shelf, so that when the uppermost paper sheet of the stack is picked up, the paper supply shelf is synchronously lowered for a constant stroke.

REFERENCES:
patent: 2276683 (1942-03-01), Bailey
patent: 2902278 (1959-09-01), Bradshaw
patent: 3123355 (1964-03-01), Lessig
patent: 3265383 (1966-08-01), Shute

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