Turret punch presses

Cutting – Means to drive or to guide tool – Plural tools selectively engageable with single drive

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Details

83571, 83640, 83685, 83699, 83559, B26D 502

Patent

active

045328455

ABSTRACT:
A turret punch press is provided with a rotatable upper turret holding a number of upper tools and a rotatable lower turret holding a number of lower tools. One pair or more of the upper and lower tools are so arranged as to be rotatable in the upper and lower turrets, respectively, and are connected and disconnected with a drive.

REFERENCES:
patent: 3370492 (1968-02-01), Treff
patent: 3518908 (1970-07-01), Daniels
patent: 3902389 (1975-09-01), Brown et al.
patent: 4285259 (1981-08-01), Jelinek et al.
patent: 4412469 (1983-11-01), Hirata et al.

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