Selective cutting (e.g. – punching) – With specific means to select a single tool – Interposer
Patent
1975-12-08
1977-04-26
Yost, Frank T.
Selective cutting (e.g., punching)
With specific means to select a single tool
Interposer
234130, G06K 110
Patent
active
040196763
ABSTRACT:
A tape punch machine in which, to assure accurate and reliable tape movement, a stepping motor for feeding the tape receives two pulses for each spacing increment of the tape. The punches are selected by interposers which are not released if the same punch function is to be repeated in successive cycles of the machine.
REFERENCES:
patent: 2307638 (1943-01-01), Philbin et al.
patent: 3059844 (1962-10-01), Englund
patent: 3126150 (1964-03-01), Lyons et al.
patent: 3412932 (1968-11-01), Masterson et al.
Cless Gerhard
Kaplan Edward L.
Extel Corporation
Yost Frank T.
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