Safing and arming device

Details Safing and arming device Safing and arming device

1990-04-12

1991-11-26

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Arming devices

102240, 102245, F42C 1523, F42C 1526, F42C 1534

Patent

active

050674056

ABSTRACT:
In a weapon subject to a sequence of high acceleration followed by high spin and including a detonator and an explosive charge; the improvement comprising a barrier having two parts located between the detonator and explosive charge to normally form an obstruction to prevent accidental detonation of the explosive charge by the detonator. Mechanical locking means are provided to lock the barrier in place, comprising a split cylinder and a spirally wound ribbon, a pair of pins restraining the outer surface of the ribbon to prevent premature unwinding. When the weapon is fired from a gun, the high acceleration will remove the pins and allow the ribbon to unwind. Upon unwinding the entire ribbon, the barrier under the action of spin, will be removed to provide an unobstructed path between the detonator and explosive charge.

REFERENCES:
patent: 3516359 (1970-06-01), Weber et al.
patent: 4242963 (1981-01-01), Ziemba
patent: 4432283 (1984-02-01), Duffner
patent: 4449456 (1984-05-01), Foss et al.
patent: 4662279 (1987-05-01), Popovitch
patent: 4938138 (1990-07-01), Maruska
patent: 4938139 (1990-07-01), Brede et al.

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