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US 4,061,075 AGranted
Automatic weapon
OwnerFrank P. Smithinventor
Life of this patent
Estimating the term…
Abstract
An automatic weapon with a receiver, a breech block fixedly mounted in the receiver, a barrel reciprocable within the receiver, a spring biasing the barrel, and a gas cylinder chamber externally of the barrel and in communication therewith, whereby upon firing of the weapon, the gases discharged from a cartridge ejected from the barrel, pass into the gas cylinder chamber means to thereby tension the spring.
Claims8
In an weapon:
- a receiver, a breech block fixed to said receiver, a barrel reciprocable within said receiver from a first position adjacent said breech block to a second position remote therefrom, spring means biasing said barrel towards said first position, trigger means associated with said receiver, a sear arm for holding said barrel in said second position, ejector guide means connected to said barrel and provided with means for engagement by said sear arm to hold said barrel in said second position, and gas cylinder chamber means externally of said barrel and in communication therewith, whereby upon firing of said weapon, the gases discharged from a cartridge ejected from said barrel, pass into said gas cylinder chamber means to thereby tension said spring means.
Dependencies are inferred from the claim text.