Out-of-line underwater safing and arming device and method there

Details Out-of-line underwater safing and arming device and method there Out-of-line underwater safing and arming device and method there

1984-04-20

1985-09-24

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Arming devices

102223, 102406, 102428, F42C 1510, F42C 1532, F42B 2200

Patent

active

045426945

ABSTRACT:
An out-of-line water safing and arming device includes an out-of-line barrier assembly with an internal bore. When submerged, the bore fills with water which is entrapped by a hydrostatically-driven piston assembly to cause the barrier assembly to move to an in-line armed position. However, when the device is not utilized but is removed from the water or rises to the surface, the piston in reaction to the decrease hydrostatic pressure releases the hydraulic lock allowing the water to drain out.

REFERENCES:
patent: 2953092 (1960-09-01), Walker
patent: 3532057 (1970-10-01), Aubrey
patent: 3722407 (1973-03-01), Fogal
patent: 3889598 (1975-06-01), Belsley
patent: 4158334 (1979-06-01), Osburn
patent: 4311097 (1982-01-01), Backstein et al.
patent: 4395951 (1983-08-01), Hinely et al.

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