Hammer-activated fastener tool for driving fastener projectiles

Details Hammer-activated fastener tool for driving fastener projectiles Hammer-activated fastener tool for driving fastener projectiles

1988-04-29

1990-01-02

Watts, Douglas D.

Elongated-member-driving apparatus

Explosive-type driving means

With plunger

227 8, B25C 114

Patent

active

048907782

ABSTRACT:
A power-actuated fastener tool for the driving of a fastener object into hard material such as concrete or metal, the tool being of a type having a relatively movable barrel and housing components, the barrel carrying a power load chamber body and a relatively movable piston member which in muzzleward movement drives the fastener object, and on breechward movement achieves ejection of the spent power load cartridge; and the housing carries a movable firing pin assembly. The housing is provided with an offset axially-extending wall, and its opposite ends serve as abutments co-opereative with a transverse pin, carried by the piston and extending through a slot in the barrel wall, to achieve various operative features.

REFERENCES:
patent: 3297224 (1967-01-01), Osborne
patent: 3399817 (1968-09-01), Diehl
patent: 4025029 (1977-05-01), Kotas et al.
patent: 4252259 (1981-02-01), Brosius
patent: 4651912 (1987-03-01), Hawkins

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