Miniature, low power, electromechanical safety and arming device

Details Miniature, low power, electromechanical safety and arming device Miniature, low power, electromechanical safety and arming device

1992-03-16

1999-05-11

Johnson, Stephen M.

Ammunition and explosives

Igniting devices and systems

Arming devices

102255, 102262, F42C15/188

Patent

active

059029536

ABSTRACT:
The blocking disc serving as an explosive train interrupter of a safety and rming mechanism is angularly displaced from its safe position by a stepping motor through reduction gearing in response to timed energizing pulses applied thereto from a crystal-controlled pulse generator. The blocking disc is releasably latched in its safe position by a locking rod controlling the supply and cut-off of energizing voltage to the pulse generator to accurately time displacement of the disc to an armed position.

REFERENCES:
patent: 2954734 (1960-10-01), Kendall et al.
patent: 2994272 (1961-08-01), Saunderson
patent: 3311058 (1967-03-01), Fohrmann et al.
patent: 4675480 (1987-06-01), Jones
patent: 4722277 (1988-02-01), Sundvall et al.

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