Circuit breaker having multiple spring actuating mechanisms

Details Circuit breaker having multiple spring actuating mechanisms Circuit breaker having multiple spring actuating mechanisms

1979-06-25

1981-02-17

Little, Willis

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 510

Patent

active

042517028

ABSTRACT:
A spring powered charging mechanism is operatively coupled with a spring powered, circuit breaker contact operating mechanism such that charging of the operating mechanism springs is powered exclusively by the charging mechanism springs as they discharge. The charging mechanism includes a prop controlled by the condition of the operating mechanism to releaseably sustain the charging springs in a fully charged condition, while the operating mechanism includes a hook to releaseably sustain the breaker contacts open against the urgence of fully charged operating mechanism springs. Consequently, the circuit breaker is capable of executing multiple contact opening and closing operations without recharging.

REFERENCES:
patent: 2581181 (1952-01-01), Faure
patent: 3286067 (1966-11-01), Menickella et al.
patent: 3569652 (1971-03-01), Hauser
patent: 3832504 (1974-08-01), Cellerini et al.

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