Punch assembly

Details Punch assembly Punch assembly

1987-08-24

1989-07-18

Yost, Frank T.

Elongated-member-driving apparatus

With means to support member and/or work relative to driver

Bias-type member holder

227 30, B25C 700

Patent

active

048486388

ABSTRACT:
A punch assembly comprising a cylindrical clamper holder, a ram reciprocatingly movable therein and having an axial bore, a punch carried on the ram, a pair of clampers pivotally mounted on the clamper holder and releasably holding a fastening element, a pair of washers received in a lateral slot in the clamper holder and resiliently urged against the ram by springs, and a bolt-and-nut unit extending transversely through the axial bore of the ram and fastening the springs and the washers together.

REFERENCES:
patent: 2932029 (1960-04-01), De Nicolo
patent: 4454650 (1984-06-01), Silver
patent: 4736880 (1958-04-01), Sodeno

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