Electromechanical switch actuator having high security key actua

Details Electromechanical switch actuator having high security key actua Electromechanical switch actuator having high security key actua

1985-10-04

1986-09-09

Marcus, Stephen

Electricity: circuit makers and breakers

Switch activation inhibitor

Removable actuator

200308, H01H 2708

Patent

active

046111042

ABSTRACT:
An electromechanical switch actuator operated by a detachable, mechanical key providing security against unauthorized operation. The switch actuator disclosed is of particularly rugged construction, arranged to provide rotary torque for operating axially coupled electromechanical rotary switches having a plurality of switch banks or stacks disposed along a central axis. Switch operation is provided for any predetermined number of switch positions with non-electric indication of said positions, both by visual observation of the key entry area, and the key position. Key operating forces are converted entirely to rotational torque for switch operation and positive rotary motion limits independent of the electrical switch provide substantially increased switch life.

REFERENCES:
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patent: 1641352 (1927-09-01), Norviel
patent: 1675737 (1928-07-01), Teich
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patent: 3160720 (1964-12-01), Faulkner
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patent: 3561160 (1971-02-01), Chan
patent: 3629530 (1971-12-01), Fischer
patent: 3723682 (1973-03-01), Pecott
patent: 4147905 (1979-04-01), Scherbing
patent: 4153826 (1979-05-01), Reddy
patent: 4424424 (1984-01-01), Hollenbeck, Jr.

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