Projectile containing a pyrotechnic charge and means for delayed

Details Projectile containing a pyrotechnic charge and means for delayed Projectile containing a pyrotechnic charge and means for delayed

1986-12-29

1988-03-08

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Arming devices

102248, 102257, 102268, 102338, F42B 426, F42C 1534

Patent

active

047293160

ABSTRACT:
A projectile comprises a pyrotechnic charge and a mobile member inside the projectile which rotates between a safe position and an armed position. At least part of a pyrotechnic delay device is accommodated in a passage in this mobile member. The pyrotechnic charge is initiated via this pyrotechnic delay device. The passage is oriented so as to isolate functionally the pyrotechic delay device from the pyrotechnic charge when the mobile member is in the safe position. It functionally couples the pyrotechnic delay device to the pyrotechnic charge when the mobile member is in the armed position. The projectile further comprises an arrangement on the mobile member and on the projectile to guide relative rotation between them about an axis fixed relative to the mobile member and relative to the projectile. A mechanical arming device retains the mobile member in the safe position and against rotation about the aforementioned axis relative to the projectile at least until the projectile is fired. It obliges the mobile member to move to the armed position when the projectile is fired by rotating about the axis relative to the projectile.

REFERENCES:
patent: 1090007 (1914-03-01), Ziegenfoss
patent: 2960037 (1960-11-01), Raech et al.
patent: 3119336 (1964-01-01), Hjelm
patent: 3326132 (1967-06-01), Tlam
patent: 3451306 (1969-06-01), Lagerstrom et al.
patent: 3633510 (1972-01-01), Bernardin
patent: 3636880 (1972-01-01), Aske
patent: 3763785 (1973-10-01), Briggs et al.
patent: 3982487 (1976-09-01), Richelle et al.

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