Circuit breaker apparatus including jack shaft support

Details Circuit breaker apparatus including jack shaft support Circuit breaker apparatus including jack shaft support

1978-05-18

1979-07-31

Marcus, Stephen

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 330

Patent

active

041631331

ABSTRACT:
A circuit breaker apparatus is taught having a jack shaft for actuating linkages to open and close the contacts of a three phase electrical system. There is provided an operating mechanism for transferring movement to the jack shaft for accomplishing the previously mentioned opening and closing operation. Support is provided at the jack shaft in close proximity to each of the three phase operating linkages. The bearing support for each of the outer poles is provided at the ends of the jack shaft. The bearing support for the inner pole is provided by one of the support members of the operating mechanism very near to that part of the jack shaft where the middle linkage is attached.

REFERENCES:
patent: 3569652 (1971-03-01), Hauser

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