Biasing means for combination actuator

Details Biasing means for combination actuator Biasing means for combination actuator

1979-01-15

1981-05-05

Truhe, J. V.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

200325, 335167, 335172, H01H 920

Patent

active

042661056

ABSTRACT:
A multi-pole molded case circuit breaker is provided with an interlock, including a forwardly biased actuator, that automatically operates a common trip bar to trip position when the front cover of the molded case is open. With the cover closed, the actuator Zis accessible for pivoting in a first direction to operate the trip bar to trip position. A single coil spring wound around the actuator is compression loaded to bias the actuator forward and is torsionally loaded to bias the actuator opposed to said first direction.

REFERENCES:
patent: 3311720 (1967-03-01), Johnson
patent: 4068200 (1978-01-01), Krueger

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