Circuit breaker with arc quenching device and vent

Details Circuit breaker with arc quenching device and vent Circuit breaker with arc quenching device and vent

1995-06-07

1996-12-31

Scott, J. R.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Magnetic blowout

218 27, 218 35, 218 38, 218151, 218149, 218157, H01H 936, H01H 3304

Patent

active

055896723

ABSTRACT:
A circuit breaker is formed of a stationary contact member bent back into a U-shape and having a stationary contact at a bent back portion thereof, a moving contact member situated adjacent to the stationary contact member to be able to contact with the stationary contact, a plurality of grids laminated vertically with a space therebetween, and a unitary molded insulator situated around the stationary contact member. The insulator includes a pair of side walls facing to each other, and a plurality of slots arranged in the opposed side walls to vertically space apart from each other. The grids are inserted into the slots to be vertically piled when the circuit breaker is assembled. The circuit breaker can be easily assembled.

REFERENCES:
patent: 3440378 (1969-04-01), Baird
patent: 3641293 (1972-02-01), Armitage et al.
patent: 4451718 (1984-05-01), Yamagata et al.
patent: 4631376 (1986-12-01), Leone
patent: 4845460 (1989-07-01), Manthe et al.
patent: 4935589 (1990-06-01), Kohanawa

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