Circuit breaker ratchet and pawl spring charging system

Details Circuit breaker ratchet and pawl spring charging system Circuit breaker ratchet and pawl spring charging system

1976-10-22

1979-03-27

Tudor, Harold J.

Electricity: circuit makers and breakers

Liquid contact

Time delay

74625, 185 40R, H01H 330

Patent

active

041467647

ABSTRACT:
A circuit breaker having a spring operated closing mechanism for establishing contact between the moving contact and the stationary contact; a ratchet and pawl spring charging system in which the ratchet wheel is combined with the crank arm for the closing spring which in turn operates the moving contact arm toward closed position. The pawl carrier plates are mounted on and rotate on the outer periphery of the combined ratchet wheel and crank arm. A motor operated mechanism may also be connected through the same members.

REFERENCES:
patent: 2252373 (1941-08-01), Harstick
patent: 2848904 (1958-08-01), Wilson et al.
patent: 3689720 (1972-09-01), Patel
patent: 3689721 (1972-09-01), McGuffie
patent: 3873069 (1975-03-01), Sprague

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