Driving apparatus for electric power circuit breakers

Details Driving apparatus for electric power circuit breakers Driving apparatus for electric power circuit breakers

1978-09-20

1980-05-20

Stearns, Richard R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200153H, 335 76, H01H 510

Patent

active

042041031

ABSTRACT:
A driving apparatus is disclosed for electric power circuit breakers having power accumulator springs which engage a shaft by means of a crank arm. The power accumulator springs are arranged in two groups, each of which consists of several parallel-connected coil springs. These two groups engage opposed crank arms carried on the shaft, shifted by 180.degree.. The driving device allows storage of a relatively large amount of energy in little space and is distinguished by a shock- and vibration-free motion cycle.

REFERENCES:
patent: 1938408 (1933-12-01), Thumim
patent: 2394046 (1946-02-01), Dickinson
patent: 3097275 (1963-07-01), Wiktor
patent: 3823290 (1974-07-01), Caton

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