Punch press with multitool punch assembly

Details Punch press with multitool punch assembly Punch press with multitool punch assembly

1984-09-05

1985-12-03

Yost, Frank T.

Cutting

With control means responsive to replaceable or selectable...

83221, 83399, 83549, 83571, 234113, 234114, 234117, B21D 2802

Patent

active

045559660

ABSTRACT:
A punch press has a punching tool assembly removably coupled to the ram, and it carries a plurality of punching pins which are individually selectable for a punching operation. A rotatable cam moves the selected punch pin from a retracted position in the tool assembly to an operative punching position, and the cam is driven by a retractable drive mechanism which is movable into engagement with the rotatable cam to effect such rotation and retracted to an inoperative position, by a moving means. Control means is provided to effect operation of the moving means and of the drive mechanism, and is operable to effect precise rotation of the cam member.

REFERENCES:
patent: 3048328 (1962-08-01), Bohaboy et al.
patent: 3518908 (1970-07-01), Daniels
patent: 3600998 (1971-08-01), Palmer
patent: 3685380 (1972-08-01), Daniels
patent: 4091700 (1978-05-01), Cloup
patent: 4096774 (1978-06-01), Kaufmann
patent: 4136592 (1979-01-01), Beatty
patent: 4182022 (1980-01-01), Kristiansson
patent: 4220062 (1980-09-01), Blanz
patent: 4250784 (1981-02-01), Bredow
patent: 4250785 (1981-02-01), Morishita et al.
patent: 4341137 (1984-07-01), Leitch et al.

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