Safe and arm device

Details Safe and arm device Safe and arm device

1974-07-22

1976-04-20

Engle, Samuel W.

Ordnance

Muzzle loading

102 7, 102 16, F42C 300

Patent

active

039510360

ABSTRACT:
A safe and arm device for igniting a propellant charge in a deep water emment anchor which comprises a cartridge of a high pressure gas, an inflator in communication with the cartridge, a high pressure two-way normally closed valve connected to the cartridge via the inflator, a medium pressure three-way valve in communication with the two-way valve and a gold shear disc, and a firing pin. The firing pin is connected to an out-of-line slider having a detonator housed therein. The detonator plunger is moved under hydrostatic pressure so as to bring it in line with the firing pin. The gas under high pressure in the cartridge is released by the inflator and allowed to pass through the two valves so as to shear the gold disc and move the firing pin which strikes the detonator, and thus sets off the propellant in the anchor barrel and drives the anchor firmly into the ocean floor.

REFERENCES:
patent: 3207115 (1965-09-01), Anderson
patent: 3532057 (1970-10-01), Aubrey
patent: 3839984 (1974-10-01), Hinves et al.

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