Safety apparatus for a spinning projectile fuse

Details Safety apparatus for a spinning projectile fuse Safety apparatus for a spinning projectile fuse

1981-08-03

1983-12-13

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Arming devices

102235, 102249, F42C 1526

Patent

active

044199341

ABSTRACT:
A safety apparatus for a spinning projectile fuze comprises a rotor with which there is operatively associated a toothed segment which, under the action of the spin, drives a retarding or restraining mechanism and following expiration of the action of the retarding mechanism moves the rotor into its armed or live position. The safety apparatus further comprises a spin safety element and an acceleration-spin safety element. The acceleration-spin safety element contains a ball displaceable by the action of the firing acceleration, and a disc member, and the spin safety element possesses a piston displaceable by the action of the projectile spin in order to release the rotor.

REFERENCES:
patent: 2448121 (1948-08-01), Porter
patent: 2625881 (1953-01-01), Rabinow
patent: 3465676 (1969-09-01), Simmen
patent: 3763785 (1973-10-01), Briggs et al.
patent: 3985079 (1976-10-01), Post et al.
patent: 4020766 (1977-05-01), Moyse
patent: 4154169 (1979-05-01), Petiteau

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