Built-up puncher

Details Built-up puncher Built-up puncher

1989-04-10

1990-03-06

Yost, Frank T.

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

83620, B26F 102

Patent

active

049055550

ABSTRACT:
A built-up puncher comprises of a pressure plate, a stand body and a bottom block, wherein the stand body is having a plurality of fixed supports mounted thereon for setting therein of a plurality of eye-letting means respectively. The fixed supports each is having a front extension with an opening and two notches made thereon to match with the retaining slots of the pressure plate so as to make the mounting and dismounting of the pressure plate onto and from the stand body become easy.

REFERENCES:
patent: 678577 (1901-07-01), Lukes
patent: 2717643 (1955-09-01), Marano
patent: 4036088 (1977-07-01), Ruskin
patent: 4611520 (1986-09-01), Terracciano
patent: 4700601 (1987-10-01), Simon

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