Ammunition and explosives – Igniting devices and systems
Patent
1974-08-01
1976-05-18
Engle, Samuel W.
Ammunition and explosives
Igniting devices and systems
102 76P, 102 79, F42C 1522, F42C 100, F42C 1526
Patent
active
039569926
ABSTRACT:
An inertial-type all-way fuze for explosive projectiles comprises: a cup-ped housing having an axial bore at its forward end and a detonator mounted in a spin-armed slide movable into alignment with the bore; a firing member having a shaft slidable in the bore, a firing pin adapted to initiate the detonator and an intermediate radial actuating flange; and an annular inertial actuator member having a rearwardly-facing internal, conical surface at its rear end engaging the forward edge of the flange, in the armed condition of the fuze, and an external annular surface at its forward end adjacent to an internal cylindrical surface on the housing, whereby, on graze impact with a target at substantially any angle, the actuator member pivots about a fulcrum formed by the two annular surfaces, and the conical surface cams the flange rearwardly to initiate the detonator. The firing member shaft extends forwardly beyond the housing for direct impact actuation of the fuze. A weak spring biases the firing pin away from the detonator. A spin-removed clip retains the firing pin in safe condition prior to launch.
REFERENCES:
patent: 2748708 (1966-06-01), Bertram
patent: 2826146 (1958-03-01), Porter
patent: 3264995 (1966-08-01), Libby et al.
patent: 3580174 (1971-05-01), Apotheloz et al.
Cangialosi S. A.
Edelberg Nathan
Engle Samuel W.
Erkkila A. Victor
The United States of America as represented by the Secretary of
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