Sheet feeding or delivering – Feeding – Separators
Patent
1975-04-14
1976-03-02
Love, John J.
Sheet feeding or delivering
Feeding
Separators
271 96, 271 99, 271104, B65H 312
Patent
active
039413721
ABSTRACT:
Corrugated cardboard sheets are drawn individually from the bottom of a stack by two perforated, continuous belts downwardly bounding a receptacle space which is bounded in a forward direction by a gate. The front part of each belt under the receptacle space travels over a suction box while the rear part may be shifted between an operative position in which the front and rear parts are longitudinally aligned and an idling position in which the rear part is offset from the operative position downward and outward of the receptacle space. The suction box and the shifting mechanism for the rear part of the belt under the receptacle space are synchronously controlled in such a manner that the rear part of the belt is in the operative position while the suction box is being evacuated for maximum traction effect of the belt on the lowermost sheet in the stack, and the rear part is dropped into the idling position while the suction box is vented to the ambient atmosphere so that the belts slip under the stack, and successively fed corrugated sheets are spaced from each other and do not overlap.
REFERENCES:
patent: 3051477 (1962-08-01), Panlic
patent: 3193282 (1965-07-01), Stewart
Berman Hans
Love John J.
Stoner Jr. Bruce H.
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