Switch actuator

Details Switch actuator Switch actuator

1977-02-23

1978-06-13

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Arming devices

102263, F42C 1500

Patent

active

040942473

ABSTRACT:
A switch actuator, for safe and arm applications requiring utmost dependaity in order to preclude a premature or false arming sequence, utilizes a plurality of simultaneous input signals from independently coded pneumatic optical and electrical sources to drive a rotary switch. A rotary fluidic valving plate is used to decode non-uniform input optical signals into a uniform cyclical output pressure signal which is used to drive a fail-safe, reversible pneumatic piston type motor. A geneva mechanism is used to mechanically couple the prime mover to an output gear.

REFERENCES:
patent: 3416451 (1968-12-01), Hamerla
patent: 3841220 (1974-10-01), Murphy
patent: 4019441 (1977-04-01), Morgen et al.

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