Ammunition and explosives – Igniting devices and systems
Patent
1975-07-29
1977-02-08
Brown, David H.
Ammunition and explosives
Igniting devices and systems
102 76P, 102 77, 102 81, 102 856, F42C 1520, F42C 910
Patent
active
040066894
ABSTRACT:
A pyrotechnical safety relay for controlling the firing of a main pyrotechnical charge carried by a projectile launched from a tube wherein the relay has a slidable finger mounted in a transverse bore in the projectile. The bore has a closed end and an opposite open end and the finger is normally retracted in the bore to allow the projectile to be ejected from the launch tube. At the time of discharge from the launch tube, a pyrotechnical charge in the relay is activated via transmission charges carried in the relay and th relay is displaced in the bore in the projectile to project from the open end of the bore. An abutment engages the relay to hold the same in its displaced position and in such position the flame front from the transmission charges is propagated to a pyrotechnical charge in the projectile serving as an illuminating or smoke marker.
REFERENCES:
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patent: 1234574 (1917-07-01), Schneider
patent: 1393585 (1921-10-01), Sutton
patent: 2030085 (1936-02-01), Woodberry
patent: 2198697 (1940-04-01), Driggs
patent: 2704033 (1955-03-01), Koeper et al.
patent: 2755738 (1956-07-01), Jones et al.
patent: 2838999 (1958-06-01), Corsi
patent: 3371608 (1968-03-01), Webb
patent: 3724385 (1973-04-01), Beatty et al.
Brown David H.
Etat Francais
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