Motor operated circuit breaker including a variable drive coupli

Details Motor operated circuit breaker including a variable drive coupli Motor operated circuit breaker including a variable drive coupli

1979-06-25

1980-11-18

Little, Willis

Electricity: circuit makers and breakers

Liquid contact

Time delay

200330, 335 86, 335173, H01H 330, H01H 7312

Patent

active

042347726

ABSTRACT:
A variable drive coupling link assembly is utilized to drivingly couple a rotary motor operator mechanism to a circuit breaker mechanism operator member such as to provide a coasting zone intermediate the end of an operating member charging stroke and the start of an operating member return stroke during which the motor operator mechanism may coast to a stop. The link assembly is structured to abruptly shorten its effective driving length at the conclusion of a charging stroke and to re-establish its full effective driving length by the conclusion of the return stroke, thereby rendering the charging and return strokes of the operator member equal in length.

REFERENCES:
patent: 2581181 (1952-01-01), Favre
patent: 3467800 (1969-09-01), Barr
patent: 4153828 (1979-05-01), Barkan

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