Punching apparatus

Details Punching apparatus Punching apparatus

1978-03-27

1979-08-14

Yost, Frank T.

Cutting

By tool inside hollow work

One tool having only rectilinear motion

83559, 83560, 83623, B26F 102

Patent

active

041641582

ABSTRACT:
A punching apparatus comprising a C-shaped frame having a first movable punch disposed in one limb of the frame and a second fixed punch disposed in the other limb of the frame. The frame is pivotally mounted on a supporting base and is guided relative to the base through a cylindrical column connected to the base which is mounted in a bore of the frame, which bore extends parallel to the direction of the punches. A further support is provided for guiding the frame including a stud which is secured to the frame, which stud extends into a slot in the supporting base.

REFERENCES:
patent: 2774426 (1956-12-01), Sharpe
patent: 3227022 (1966-01-01), Evans et al.
patent: 3640167 (1972-02-01), Axtmann
patent: 4073176 (1978-02-01), Paul

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