Ordnance – Automatic – Buffers and brakes
Patent
1981-10-05
1985-02-05
Bentley, Stephen C.
Ordnance
Automatic
Buffers and brakes
89145B, 89179, 89199, 89 146, 102432, 102471, F41D 1112, F42B 502
Patent
active
044972393
ABSTRACT:
A muzzle ejecting sabot cartridge firearm system for use in a weapon having an elongated gun barrel, an action mechanism, and an elongated bolt mounted within the bore of the action mechanism. The bore of the action mechanism and the bore of the gun barrel are in co-axial alignment and the forward end of the action mechanism is in communication with the rear end of the gun barrel. The bolt has an elongated bore extending inwardly from its base end that communicates with a relieved portion in the front face of the bolt to allow passage of gases released from a cartridge that has been fired. The diameter of the bore of the action mechanism is greater than the diameter of the bore of the gun barrel thereby forming a shoulder at the front end of the action mechanism that functions to capture the peripheral rim along the back end of a sabot cartridge at the initial stage of firing the cartridge. The front end of the bolt face has an annular rim that peripherally surrounds its relieved portion and this acts as a firing pin when driven against the peripheral rim along the back end of a sabot cartridge.
REFERENCES:
patent: Re2636 (1867-06-01), Smith et al.
patent: 53168 (1866-03-01), Moffatt
patent: 1335500 (1920-03-01), Hasting
patent: 1416827 (1922-05-01), Holmes
patent: 2440568 (1948-04-01), Arter
patent: 2492279 (1949-12-01), Fowler
patent: 2703529 (1955-03-01), Tuckerman et al.
patent: 3724376 (1973-04-01), Kordas et al.
patent: 3738219 (1973-06-01), Febres
patent: 3890880 (1975-06-01), Gandy
Bentley Stephen C.
Gilliam Frank D.
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