Signature machine

Details Signature machine Signature machine

1990-04-25

1991-05-14

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

271 311, 271107, 271150, 271276, B65H 510

Patent

active

050149792

ABSTRACT:
Cyclically operable signature machine having a one-way drive to incrementally advance a signature infeeding conveyor synchronously to the action of an oscillating suction finger for withdrawing a signature from a stack in a hopper; in a cycle where a signature is not to be fed, the suction finger is latched and simultaneously the one-way drive is disabled to prevent the stack from being compacted.

REFERENCES:
patent: 3608893 (1971-09-01), McCain
patent: 4588180 (1986-05-01), Ballestrazzi

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