Signature machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 14, 1991
Grant Date -
N/A
app pub date -
Apr 25, 1990
filing date -
Apr 25, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Family
International Classification(s)
Cited Art Landscape
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