Circuit breaker

Details Circuit breaker Circuit breaker

1981-09-02

1983-03-08

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 24, 335 35, 337 70, H01H 7302, H01H 7500, H01H 7700

Patent

active

043762700

ABSTRACT:
A circuit breaker having a switch mechanism consisting basically of a pivotally mounted latch which is releasably mounted on a release member and which carries a pivotally mounted contact, and of a pivotally mounted manually operable element for operating the circuit breaker. A spring is connected to the manually operable element at a position offset with respect to the pivotal axis of the element and is arranged to apply a force to the pivotable latch at a position close to the pivotal axis of the latch. A latch lever interconnects the manually operable element and the pivotable latch and is connected to the manually operable element eccentrically with respect to the pivotal axis of the latter and is connected to the pivotable latch in a manner as to form the pivotal axis of the latter. A guide is arranged to guide the movement of the latch lever caused by operation of the manually operable element, and the spring is arranged to apply a force to the pivotable latch indirectly by engaging with the pivotally mounted contact carried by the latch.

REFERENCES:
patent: 2190517 (1940-02-01), Jennings
patent: 2779840 (1957-01-01), Getchell
patent: 3512112 (1970-05-01), Kick et al.
patent: 4032875 (1977-06-01), Belttary

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