Ammunition and explosives – Igniting devices and systems
Patent
1971-10-06
1976-11-30
Brown, David H.
Ammunition and explosives
Igniting devices and systems
102 76R, F42B 2316, F42B 2326
Patent
active
039942279
ABSTRACT:
A mine casing containing an ejection barrel is closed by a shear releasab slidable and rotatable cover for providing an armed and a safe position. The barrel is rotatably coupled to the cover and carries a slidable belleville spring assembly including a belleville spring containing a firing pin which rests on the base of the casing and is aligned with a primer communicating with a delay column. An apertured safety plate rotatably coupled to the barrel is positioned between the delay column and ejection propellant communicating with a recess in a fragmentation sphere containing a high explosive nesting in the upper contoured portion of the barrel. The recess contains an ignition delay and a booster charge for detonating the high explosive. In the safe position the barrel cannot move downwardly and the safety plate prevents communication between the delay and propellant. When the mine cover is rotated into the armed position, the safety plate is turned to a position permitting communication between the delay column and propellant, and the barrel can be moved downward by pressure on the cover or by rotation of a ball cam in the cover in contact with the sphere. The downward movement of the barrel snaps the spring and drives the firing pins into the primer, igniting the delay and propellant, which generates gas pressure to launch the sphere, remove the cover and activate the ignition delay and booster so that the sphere is detonated sometime after launching.
REFERENCES:
patent: 2440702 (1948-05-01), Short
patent: 3175489 (1965-03-01), Reed, Jr.
patent: 3344742 (1967-10-01), Schneider, Jr.
patent: 3434418 (1969-03-01), Madlener et al.
patent: 3575110 (1971-03-01), Conroy et al.
Brown David H.
Edelberg Nathan
Erkkila A. Victor
The United States of America as represented by the Secretary of
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