Spring operating mechanism for a circuit interrupter

Details Spring operating mechanism for a circuit interrupter Spring operating mechanism for a circuit interrupter

1986-06-16

1987-11-10

Herrmann, Allan D.

Motors: spring, weight, or animal powered

Spring

With winding means

74 2, 74116, 74577M, 188 824, G05G 1700, F03G 100, F16H 2902

Patent

active

047051442

ABSTRACT:
A spring operating mechanism for a circuit interrupter comprises means for converting the rotation of an electric motor into a rocking motion of a pawl, a ratchet wheel having teeth for being engaged by the pawl to be rotated by the rocking motion of the pawl and a closing spring which is charged by the rotation of the ratchet wheel, whereby energy charged in the closing spring is used for the closing and the tripping of the circuit interrupter. The mechanism comprises a catch arranged to come into engagement with the tip of the pawl when the tip of the pawl begins to ride on a large-diameter outer circumferential toothless portion of the ratchet wheel and to be brought out of the above engagement by the rocking motion of the pawl.

REFERENCES:
patent: 1209917 (1916-12-01), Westinghouse
patent: 1702777 (1929-02-01), Hewitt
patent: 2256466 (1941-09-01), Cullin
patent: 2746718 (1956-05-01), French
patent: 3138344 (1964-06-01), Small

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