Sheet feeding or delivering – Feeding and delivering – Separator and conveyor
Patent
1989-07-31
1991-09-17
Olszewski, Robert P.
Sheet feeding or delivering
Feeding and delivering
Separator and conveyor
271 11, 271 20, 271104, 271106, 271194, 271300, 294 641, B65H 522
Patent
active
050488112
ABSTRACT:
A method and apparatus for removing the uppermost article from a stack of alternating first and second articles. The apparatus includes a plurality of pins and a plurality of suction devices, the pins and suction devices being supported from the lower side of a support structure. The support structure, with the suction devices and pins, comprise a head or end effector for sequentially removing the alternating articles from the stack. Means are provided for moving the head from the stack to two respective locations for receiving the first and second articles in respective piles of the articles. The stack of alternating articles, and the respective piles of the articles after they are removed from the stack, are preferably held in an inclined cassette that aligns the articles and maintains the articles in alignment.
REFERENCES:
patent: 3693321 (1972-09-01), Nilsson
patent: 4067458 (1978-01-01), Schneider et al.
patent: 4185814 (1980-01-01), Buchmann et al.
Masera, L. A., "Adjustable Vacuum-Type Pickup Head for Handling Substrates", 9-1984, AT&T Tech. Digest, No. 75, pp. 31, 32.
Aluminum Company of America
Milef Boris
Olszewski Robert P.
Strickland Elroy
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