Circuit breaker

Details Circuit breaker Circuit breaker

1997-07-07

1998-08-18

Walczak, David J.

Electricity: circuit makers and breakers

Toggle mechanisms

200293, H01H 2300

Patent

active

057947635

ABSTRACT:
A circuit breaker of the invention is formed of a container and a switch mechanism unit accommodated in the container. The switch mechanism unit is formed of a handle lever having a rotating shaft, a handle and lever arms; a movable contact having a movable contact point at one end with the other end rotatably joined with the lever arms; and a latch disposed to cross the rotating shaft and having a rotating shaft and an engaging arm protruding from the rotating shaft. A switch spring is disposed between the latch and the movable contact. The handle lever and the rotating shaft of the latch engage semi-circular bearing notches of a case and a cover of the container so that the switch mechanism unit is rotationally supported and held in the container.

REFERENCES:
patent: 4786771 (1988-11-01), Iio et al.
patent: 5302787 (1994-04-01), Edds et al.
patent: 5449871 (1995-09-01), Batteax et al.

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