Switch actuator

Details Switch actuator Switch actuator

1980-12-15

1982-11-23

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Arming devices

102223, F42C 1500

Patent

active

043599427

ABSTRACT:
An improved switch actuator, for safe and arm applications requiring utmost ependability 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 gerotor type motor. A geneva mechanism is used to mechanically couple the prime mover to an output gear to activate a switch. Alternatively, an electrical switch may be incorporated within the housing of the actuator.

REFERENCES:
patent: 3416451 (1968-12-01), Hamerla
patent: 3841220 (1974-10-01), Murphy
patent: 4019441 (1977-04-01), Morgen et al.
patent: 4094247 (1978-06-01), Schmidlin

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