Turret punch presses having tool holders rotatably mounted in th

Details Turret punch presses having tool holders rotatably mounted in th Turret punch presses having tool holders rotatably mounted in th

1981-03-18

1983-11-01

Meister, James M.

Cutting

Means to drive or to guide tool

Plural tools selectively engageable with single drive

83556, B26F 114

Patent

active

044124694

ABSTRACT:
A turret punch press having a pair of upper and lower turrets ono which a plurality of pairs of upper and lower punching tools are mounted to punch a variety of holes in sheet materials is disclosed. Each of the upper and lower turrets is synchronously rotatable such that the upper and lower punching tools may be synchronously rotated or indexed in order to punch holes of the same size and shape, but different orientation, in the sheet material.

REFERENCES:
patent: 3370492 (1968-02-01), Treff
patent: 3449991 (1969-06-01), Daniels
patent: 3686992 (1972-08-01), Daniels
patent: 4144783 (1979-03-01), Yamazaki et al.
patent: 4285259 (1981-08-01), Jelinek et al.

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