Ammunition and explosives – Shells – Grenade
Patent
1989-03-07
1990-05-22
Tudor, Harold J.
Ammunition and explosives
Shells
Grenade
10220213, 102487, F42B 2708
Patent
active
049267523
ABSTRACT:
A safety fuze for a hand grenade comprises a fuze body, a delay case assembly, a detonator assembly, an initiator lever assembly, a cover assembly, and a pull ring assembly. The fuze body has a head, a stem, and a central portion, and a bore extending longitudinally therethrough. The delay case assembly comprises a delay case matingly received in the bore and having an upper primer portion containing a primer, a lower delay portion containing ignition, delay and penetration charges, a sealant separating the primer portion from the delay portion, and an air gap separating the primer portion from the ignition charge. The detonator assembly comprises a detonator case matingly receiving the fuze body stem at the top thereof and being in sealing engagement with the fuze body, and has an explosive detonator charge at the bottom thereof. A gap is provided between the fuze body bottom and the explosive charge. The initiator lever assembly comprises an elongated initiator lever rotatably mounted at its proximal end to the fuze body head and biased in its primed position. A firing pin formed integrally with the initiator lever is positioned to engage the primer when the initiator lever assembly is in its primed position. The cover assembly covers the top and back of the fuze body head. Either the initiator lever or the cover assembly can be elongated to define a handle for holding and throwing the grenade. A rotatable safety latch can be mounted on the cover assembly.
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patent: 4699063 (1987-10-01), Aschwanden et al.
"Hand Grenade Fuze M213 Assembly," U.S. Army Armanent Research and Development Command, Dover, N.J., (Mar. 2, 1960).
DiRubbio Vincent
Galinski Edmund V.
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