Elongated-member-driving apparatus – With means to support member and/or work relative to driver – Bias-type member holder
Patent
1987-02-27
1988-10-04
Kazenske, E. R.
Elongated-member-driving apparatus
With means to support member and/or work relative to driver
Bias-type member holder
227156, 29739, B25C 700
Patent
active
047750901
ABSTRACT:
This invention relates to a pin head assembly and in particular to one comprising a stopper having a neck at its inner surface, a hammer disposed within the stopper with the upper end thereof threadedly engaged with a rod of an air cylinder, a body located under the stopper and suspended by two springs with the upper end thereof bearing against the neck of the stopper, a ball mounted into the lower end of the body and a funnel threadedly engaged with one side of the body.
REFERENCES:
patent: 2538895 (1951-01-01), Brennan
patent: 3926356 (1975-12-01), Still
Kazenske E. R.
Rosenberg Morton J.
Wolfe James L.
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