Explosive powder charge operated fastening element setting devic

Details Explosive powder charge operated fastening element setting devic Explosive powder charge operated fastening element setting devic

1987-12-14

1989-09-19

Bell, Paul A.

Elongated-member-driving apparatus

Explosive-type driving means

With plunger

227 9, B25C 114, B25C 118

Patent

active

048673650

ABSTRACT:
An explosive powder charge operated fastening element setting device includes a housing having a firing direction with a guidance tube located within an outlet tube in the housing. The guidance tube and outlet tube are displaceable in the firing direction within the housing. A piston for driving a fastening element is displaceable in the firing direction within the guidance tube so that it can be returned to the firing position. A spring clip mounted in the outlet tube transmits a pulling motion on the outlet tube to the guidance tube while the piston is held in the housing against similar movement. During the pulling motion, a spring clip with a pair of legs extending transversely of the firing direction co-acts with shoulders projecting outwardly from the guidance tube at its forward end for placing the piston in the firing position toward the rearward end of the guidance tube.

REFERENCES:
patent: 4025029 (1977-05-01), Kotas et al.
patent: 4252259 (1981-02-01), Brosius
patent: 4492329 (1985-01-01), Benson et al.
patent: 4577793 (1986-03-01), Jochum

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