Ammunition and explosives – Igniting devices and systems – Fuse cord
Patent
1985-03-27
1986-10-28
Brown, David H.
Ammunition and explosives
Igniting devices and systems
Fuse cord
102265, 102273, 102204, F42C 102
Patent
active
046192000
ABSTRACT:
A multi-path impact type, inertia class, igniter for use with both rotating and non-rotating projectiles or warheads includes two or more stab type "firing pins" that are arranged in a plane which is at 90.degree. to the center-line of the projectile. The firing pins are equally spaced apart on the plane and each bears directly upon a safety rupture-disc. The rupture-discs bear directly upon stab type primers, there being one primer per disc. Each firing pin has a sloped "conic" surface forming a cam which is in direct contact with a conic body-of-rotation inertia mass which lies on the projectile center-line. Upon impact, the conic shaped mass moves forward at a high rate forcing the firing pins outward at a much reduced velocity relative to that of impact. The moving firing pins pierce the rupture-discs and enter the stab primers, thereby causing the actuation of the latter.
REFERENCES:
patent: 431374 (1890-07-01), Merriam
patent: 431375 (1890-07-01), Merriam
patent: 559495 (1896-05-01), Rapieff
patent: 668618 (1901-02-01), Alessi
patent: 1042830 (1912-10-01), Sokolowski
patent: 1317611 (1919-09-01), Barlow
patent: 3948176 (1976-04-01), Koomen
Brown David H.
Morton Thiokol Inc.
White Gerald K.
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