Safe-and-arm device for the fuze of a spin-stabilized projectile

Details Safe-and-arm device for the fuze of a spin-stabilized projectile Safe-and-arm device for the fuze of a spin-stabilized projectile

1989-09-15

1990-07-24

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Arming devices

102245, 102251, F42C 1526

Patent

active

049428160

ABSTRACT:
A safe-and-arm or securing device for the fuze of a spinning or spin-stabilized projectile which includes a fuze member and a supporting member in which a spherical rotor is rotatably supported, and which has a radial groove formed therein. The rotor possesses a bore having a detonator inserted therein, and in a peripheral region incorporates a groove which extends along a plane which is axially offset relative to the radial groove, and with a spreadable or expandable restraining medium being inserted into the groove. The restraining medium releases the rotor which is retained in its secured position only subsequent to the firing of the projectile through the securing element which is spreadable and axially displaceable under the effect of axial and spin forces and which allows the rotor, after its release, to be pioted in conjuction with the detonator into the armed position.

REFERENCES:
patent: 3595169 (1971-07-01), Ziemba
patent: 3608494 (1971-09-01), Ziemba
patent: 4480551 (1984-11-01), LoFiego
patent: 4691635 (1987-09-01), Winterhalter et al.

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