Pole-type powder actuated tool

Details Pole-type powder actuated tool Pole-type powder actuated tool

1991-01-02

1992-08-04

Watts, Douglas D.

Elongated-member-driving apparatus

Explosive-type driving means

B25C 110

Patent

active

051351501

ABSTRACT:
This invention relates to a pole-type powder actuated tool and in particular to one mainly including a first pin having a flange at the top end and being able to be pushed by a shell withdrawing mechanism, a second pin having a flange at the top end in contact with the flange of the first pin so that the second pin will move in unison with the first pin, a front barrel for receiving drive pin and cartridge and provided with threads at one end thereof, a rear barrel for accomodating the second pin wholly and a part of the first pin and threadedly engaged with the front barrel at one end and with a connecting pipe at the other, two springs enclosing the first pin and second pin for forcing the two pins to the normal position after fired, and a gasket disposed between the front barrel and the rear barrel and being able to adjust volume of explosion chamber by modifying its thickness.

REFERENCES:
patent: 2166041 (1939-07-01), Cox
patent: 2479431 (1949-08-01), Temple
patent: 2549993 (1951-04-01), Temple
patent: 2771607 (1956-11-01), Skumawitz
patent: 2775762 (1957-01-01), Hilti
patent: 3797721 (1974-03-01), Clumb
patent: 4505018 (1985-03-01), Regalbuto et al.
patent: 4877171 (1989-10-01), Almeras

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