Multi-segment punch assembly

Details Multi-segment punch assembly Multi-segment punch assembly

1989-11-30

1991-03-26

Watts, Douglas D.

Metal working

Means to assemble or disassemble

Means comprising hand manipulatable tool

30358, 30366, B25B 2714, B26F 100, B26F 104

Patent

active

050018221

ABSTRACT:
A handheld punch structure having an integrally formed elongated base of one piece construction and formed of a high strength material capable of being struck repeatedly by a striking instrument or used with a hydraulic press structure. The base defines a plurality of integrally formed punch segments thereon wherein successively positioned ones of the punch segments increase in transverse dimension by a predetermined increment successively from one end towards an opposite end and a gripping portion formed thereon to facilitate gripping by the hand of the user.

REFERENCES:
patent: 1940438 (1933-12-01), Stowell
patent: 2850924 (1958-09-01), Hempel
patent: 3010207 (1961-11-01), Barnes
patent: 3650163 (1972-03-01), Juffs
patent: 4041558 (1977-08-01), Victor
patent: 4087912 (1978-05-01), Granone
patent: 4235138 (1980-11-01), Creighton et al.

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