Ordnance – Automatic – Gas piston type
Patent
1994-01-21
1995-04-11
Bentley, Stephen C.
Ordnance
Automatic
Gas piston type
F41A 526
Patent
active
054047900
ABSTRACT:
A firearm with gas operated recharge mechanism, which includes a barrel with internal bore, a slide which is movable with respect to the barrel and which is adapted to operate the components of the firearm as to recharge it. The firearm further includes a cylinder whose interior is connected with the internal bore of the barrel as to receive pressurized gases upon firing and a piston installed in the cylinder and adapted to move rearwardly under the gas pressure as to displace the slide. A return compression spring is associated with the slide. A gas chamber has an inlet and an outlet, the inlet communicating through gas duct with the internal bore of the barrel and the outlet communicating through gas duct with the interior of the cylinder as to connect them.
REFERENCES:
patent: 2845008 (1958-07-01), Atwood
patent: 2872851 (1959-02-01), Katz
Jan Libourel, "At Last-.44 Magnum Auto Pistol", Guns & Ammo, Oct. 1986, pp. 34-36, 38.
Bentley Stephen C.
Friedman Mark M.
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