Sheet feeder apparatus

Details Sheet feeder apparatus Sheet feeder apparatus

1974-02-19

1976-01-13

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

B65H 340

Patent

active

039319644

ABSTRACT:
This sheet feeder apparatus employs sheet lifting suction heads which are raised by the pneumatic suction which simultaneously lifts a sheet from a stack. A spring, preferably inside each lifting suction head, lowers its telescoping suction nozzle in response to the movement of a cam and spring operated hold-up bar, which simultaneously synchronizes the downward movement of a pair of suction nozzles after delaying such downward movement long enough for the trailing edge of a sheet to clear the path of travel of the suction nozzle.

REFERENCES:
patent: 1442718 (1923-01-01), Free
patent: 3071371 (1963-01-01), Wickland
patent: 3482833 (1969-12-01), Schleiden

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