Pull-foot feed

Details Pull-foot feed Pull-foot feed

1976-07-29

1977-11-29

Saifer, Robert W.

Sheet feeding or delivering

Feeding

Separator and conveyor

271100, 271106, 271115, B65H 308, B65H 350

Patent

active

040602281

ABSTRACT:
In a modified embodiment of the pull-foot sheet feeding device described in U.S. application Ser. No. 608,970, filed Aug. 29, 1975, now Pat. No. 4,013,283 the bottom roller is replaced by a roller segment. The roller segment is pivotally mounted on a carrier which is fixedly mounted on a driving shaft. The pivotal axis of the roller segment is offset from the axis of the driving shaft. The roller segment has an outer surface for pinching sheets between it and the pull-foot while rolling on a sheet in response to rotation of the driving shaft. The position of the roller segment relative to the carrier is constrained by a spring, which provides biasing of the roller segment surface against the pull-foot, and an adjustable stop. The pull-foot is driven outwardly to pull sheets from a hopper by the roller segment but is under the control of a biasing spring and cam during its return.

REFERENCES:
patent: 3741535 (1973-06-01), Palkovic et al.

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