Port-closure for vacuum sheet feeder

Details Port-closure for vacuum sheet feeder Port-closure for vacuum sheet feeder

1977-06-27

1978-11-28

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

271 99, 271108, 271112, B65H 312

Patent

active

041272633

ABSTRACT:
Vacuum feeder for feeding sheets having holes adjacent to a marginal edge of the sheets. Removable port-closure members are inserted through and close the feeder ports which are aligned with the holes in the sheets to be transported by the feeder.

REFERENCES:
patent: 2085592 (1937-06-01), Koppe
patent: 3291482 (1966-12-01), Stemmler

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