Sheet feeding or delivering – Feeding – Separators
Patent
1975-06-23
1976-09-21
Saifer, Robert W.
Sheet feeding or delivering
Feeding
Separators
271110, 271114, 271117, 271153, 271 10, B65H 306, B65H 506, B65H 714
Patent
active
039814971
ABSTRACT:
Disclosed is document feed apparatus including a cooperating roller assembly for separating and feeding individual documents from a stack to utilization apparatus, the roller assembly including rotatably powered separator, restraint, and picker rollers, the picker roller being mounted to pivot out of and into engagement with the document stack. Control means responsive to each document passing through the roller assembly lifts and drops the picker roller from and into engagement with the stack, the momentum of the dropping picker roller assembly effective to switchably actuate motive means for incrementally elevating a vertically movable document support platform to continually reposition the top of the document stack in alignment with the roller assembly.
REFERENCES:
patent: 1109902 (1914-09-01), Cross
patent: 1183629 (1916-05-01), Broadmeyer
patent: 3514089 (1970-05-01), Ostwald
patent: 3549255 (1970-12-01), Umahashi et al.
"Document Elevating Hopper" Habich et al.; IBM Technical Disclosure Bulletin, vol. 17, No. 7; Dec. 1974.
"Cut Sheet Feed Device" Rogers; IBM Technical Disclosure Bulletin; vol. 14, No. 5; Oct. 1971.
Feinstein, Jr. Paul
Sokol Gary Leo
International Business Machines - Corporation
Jackson John L.
Saifer Robert W.
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