Sheet feeding mechanism

Details Sheet feeding mechanism Sheet feeding mechanism

1987-05-26

1989-07-18

Rolla, Joseph J.

Sheet feeding or delivering

Feeding

Separators

271107, B65H 308

Patent

active

048487643

ABSTRACT:
A sheet feeding mechanism for feeding stacked sheets one by one from a sheet magazine includes a plurality of suction cups coupled to a vacuum suction device for attracting one sheet at a time, and an arm member on which the suction cups are securely mounted. At least one rotatable bearing is operatively coupled to the arm member and rollingly movable in a guide groove having at least one curved or bent guide opening. The bearing is movable by a slider in and along the guide opening to angularly move the arm member and hence the suction cups for thereby swaying and feeding a sheet held by the suction cups.

REFERENCES:
patent: 3797822 (1974-03-01), Anderson
patent: 4418906 (1983-12-01), Scott
patent: 4589649 (1986-03-01), Prescher

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