Powder charge operated apparatus

Details Powder charge operated apparatus Powder charge operated apparatus

1977-05-02

1979-01-16

Custer, Jr., Granville Y.

Elongated-member-driving apparatus

Explosive-type driving means

With plunger

B25C 114

Patent

active

041345274

ABSTRACT:
A fastener driving gun with a driving piston actuated by a cartridge to drive a fastener. The piston has an elongated shank with a tapered surface which engages a cooperating surface of the barrel, in the forward position of the piston, to prevent ejection of any substantial portion of the piston in the event of piston breakage. The taper of the piston can be 3% or less.

REFERENCES:
patent: 3115637 (1963-12-01), Elliott
patent: 3348751 (1967-10-01), Henning
patent: 3915242 (1975-10-01), Bell
patent: 3918619 (1975-11-01), Termet

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