Auxiliary punching device for punching machine

Details Auxiliary punching device for punching machine Auxiliary punching device for punching machine

1992-01-29

1992-09-15

Yost, Frank T.

Cutting

With product handling means

Including means to form or hold pile of product pieces

83248, 834687, 83559, 83620, 83641, 83687, 83934, B26D 109

Patent

active

051468247

ABSTRACT:
An auxiliary punching device is disclosed, which is attachable to a machine for punching holes at one given location into a stack of sheets of given size, in order to punch other holes at another given location in the same stack at the very same time as the holes are punched at the one location. This auxiliary punching device comprises an auxiliary die and an auxiliary punching tool that are attachable to the main die and punching tool of the punching machine to work in unison therewith. Both of the structural elements are very easy to adjust to fit any required positioning or configuration for the second row of holes to be punched, whatever be the size of the stack of sheets fed to the machine.

REFERENCES:
patent: 2319568 (1943-05-01), Wales
patent: 3198051 (1965-08-01), Ablon
patent: 3368441 (1968-02-01), Piazze

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