Punching unit for punching apparatus

Details Punching unit for punching apparatus Punching unit for punching apparatus

1989-07-25

1992-01-28

Rosenbaum, Mark

Cutting

Means to drive or to guide tool

With tool positioning means synchronized with cutting stroke

83561, 83588, 836391, 83916, B26D 504

Patent

active

050834908

ABSTRACT:
In a punching unit for punching apparatus having a punch removably mounted on the upper half side of a support section formed nearly in a channel-shape such that the punch will face a die mounted on the lower half side of the support section, and a lifting mechanism for vertically moving the punch, a flat force-cutting blade is attached at the bottom end of the punch rotatably mounted on the support section, and a lifting mechanism is provided in the support section to turn the punch through an angle of 90 degrees.

REFERENCES:
patent: 3147657 (1964-09-01), Williamson
patent: 3370492 (1968-02-01), Treff
patent: 3741062 (1973-06-01), Glastra
patent: 4067252 (1978-01-01), Peddinghaus et al.
patent: 4667553 (1987-05-01), Gerber et al.
patent: 4674373 (1987-06-01), Kuppinger

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