Safety device for a spinning projectile fuze

Details Safety device for a spinning projectile fuze Safety device for a spinning projectile fuze

1986-03-24

1987-07-07

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Arming devices

102235, 102249, F42C 1526

Patent

active

046779140

ABSTRACT:
A safety device for a fuze of a spinning projectile comprises a spin acceleration safety element and a firing forward acceleration safety element. The firing forward acceleration safety element contains a ball displaceable by the action of the firing forward acceleration. The spin acceleration safety element employs an escapement or delay mechanism including an asymmetrically structured balance wheel whose center of gravity is radially displaced from its pivot axis such that the escapement or delay mechanism can begin to operate and time out only after the spin acceleration has ceased to be effective.

REFERENCES:
patent: 2457254 (1948-12-01), McCaslin et al.
patent: 3465676 (1969-09-01), Simmen
patent: 3670655 (1972-06-01), Krupa
patent: 3777666 (1973-12-01), Morel
patent: 4154169 (1979-05-01), Petiteau
patent: 4419934 (1983-12-01), Apotheloz
patent: 4464991 (1984-08-01), Kaiser

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