No stored energy safe and arm device

Details No stored energy safe and arm device No stored energy safe and arm device

1989-12-26

1991-07-23

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Arming devices

102221, F42C 1500

Patent

active

050333836

ABSTRACT:
A safe and arm device for a fuze wherein the safe and arm device does not require stored energy and is activated by a solenoid operating on a pawl mechanism. The pawl in turn pulls a plunger against a detonating chamber in a ratchet-like manner. As the plunger is pulled towards the detonating chamber, a spring stem is compressed thus applying a force against the detonating chamber. Initially, the detonating chamber is locked in a safe position. After the pawl has pulled the plunger into compression against the detonating chamber, a lock on the detonating chamber is released and the detonating chamber pivots into an arm position. This allows a detonator within the chamber to detonate the fuze.

REFERENCES:
patent: 4188885 (1980-02-01), Wolf et al.
patent: 4615269 (1986-10-01), Holder
patent: 4635552 (1987-01-01), Battle
patent: 4793257 (1988-12-01), Bolieau
patent: 4848235 (1989-07-01), Postler et al.

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