Sheet feeding or delivering – Feeding – Separator and conveyor
Patent
1982-08-12
1984-06-26
Schacher, Richard A.
Sheet feeding or delivering
Feeding
Separator and conveyor
271 98, 271100, 271102, 271132, B65H 308
Patent
active
044562411
ABSTRACT:
A machine for feeding cards one by one from the bottom of a vertical stack into a receiving nip, the trailing edge portion of the stack being supported on a platform and the leading edge of the stack having a stripper type support in the form of a projection which extends under the corner of the stack, the platform being foreshortened to provide a window adjacent the projection. A suction cup supported on a sucker block faces upwardly into the window. The sucker block is mounted on a block carrier which is reciprocated in forward and retract directions. A cam surface and cam follower are interposed between the sucker block and the carrier and a striker is blockingly arranged in the path of retracting movement of the sucker block so that when the carrier is retracted the sucker block engages the striker causing the sucker block to be cammed upwardly completing an L-shaped path in which the suction cup suckingly engages the underside of the bottom card. A biasing spring biases the sucker block downwardly so that in the subsequent forward stroke of the carrier the suction cup retraces its L-shaped path to place the leading edge of the card in the receiving nip. The striker is adjustably positionable to vary the elevation of the suction cup.
REFERENCES:
patent: 2335064 (1943-11-01), Kabel
patent: 3458042 (1969-07-01), Mestre
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