Electrical circuit breaker

Details Electrical circuit breaker Electrical circuit breaker

1983-04-14

1984-09-18

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 35, 335191, 200153G, 200243, H01H 300, H01H 7116

Patent

active

044727011

ABSTRACT:
A circuit breaker having a contact opening and closing mechanism including a contact actuator member which is moved between a first position and a second position to close and open the contacts. The movable contact is mounted on one end of a contact carrier which is pivotally mounted at its central region to the contact actuator member. A leaf spring is positioned between the other end of the contact carrier and the circuit breaker case. When the contact actuator member is in the first position, the leaf spring produces a torque on the contact carrier in one direction about the pivot forcing the contacts closed. When the contact actuator member moves from the first position toward the second, the leaf spring becomes ineffective and a torsion spring which engages the contact carrier and the contact actuator arm produces a torque pivoting the contact carrier in the opposite direction thus enhancing the contact opening process.

REFERENCES:
patent: 3193643 (1965-07-01), Hollyday

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