Universal receiver having pneumatic safe/arm/firing mechanism

Details Universal receiver having pneumatic safe/arm/firing mechanism Universal receiver having pneumatic safe/arm/firing mechanism

1993-12-03

1994-07-12

Johnson, Stephen M.

Ordnance

Mounts

Training mechanisms

89 14, 89 2212, 42 7008, F41A 1908, F41A 1955

Patent

active

053278100

ABSTRACT:
A universal receiver having a pneumatic safe/arm/firing mechanism is provd. The receiver comprises a receiver shell with a threaded barrel clampnut on one end and a threaded breech plug assembly on the opposite end. The breech plug assembly includes a cocking and striker piece and a pneumatically-operated sear. A separate pneumatically-operated safety bar interlocks with the cocking and striker piece to prevent inadvertent firing. A multi-port pneumatic valve is connected to sequentially operate the safety bar retractor followed by the sear retraction, thereby firing the gun.

REFERENCES:
patent: 2168114 (1939-08-01), Boussel
patent: 2408680 (1946-10-01), Pontius
patent: 2814971 (1957-12-01), Fitzgibbon

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