Punch selectable punch press

Details Punch selectable punch press Punch selectable punch press

1994-06-27

1996-01-30

Fridie, Jr., Willmon

Bookbinding: process and apparatus

Apparatus

With cutter

412 38, 412 9, B42B 900

Patent

active

054876346

ABSTRACT:
For a punch mechanism, a selector rail which by shifting can change the punch hole pattern by activating or deactivating select punches along the rail. In a preferred embodiment, the punch can be quickly changed from a three hole standard punch to a two hole standard punch by activating and deactivating two select punches. The selector rail locks to the selected punch for both driving and retraction of the punch by force of an electric motor and gear train.

REFERENCES:
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patent: 4480782 (1984-11-01), Morishima
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patent: 5007782 (1991-04-01), Groswith, III et al.
patent: 5183361 (1993-02-01), Ho
patent: 5366333 (1994-11-01), Crudo et al.

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