Twin unit circuit breaker with improved magnet structure

Details Twin unit circuit breaker with improved magnet structure Twin unit circuit breaker with improved magnet structure

1988-06-27

1990-05-29

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 35, 335 23, H01H 7510

Patent

active

049299190

ABSTRACT:
A twin unit circuit breaker has a V-shaped stainless steel combination armature pivot and bias spring, a central offset portion on the armature to increase the armature surface area that is substantially uniformly spaced to pole faces of a pole piece, a thin profile connection of an operating spring with a latch lever, and a preformed U-shaped conductor attachable in circuit between a bimetal and a flexible conductor and insertable over a pole piece from one end thereof.

REFERENCES:
patent: 2904655 (1959-09-01), Gelzheiser et al.
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patent: 3109907 (1963-11-01), Dessert et al.
patent: 3134051 (1964-05-01), Lyon
patent: 3421123 (1969-01-01), Johnson et al.
patent: 3488610 (1970-01-01), Powell
patent: 3832663 (1974-08-01), Gelzheiser
patent: 3959752 (1976-05-01), Strobel et al.
patent: 4011420 (1977-03-01), Heft
patent: 4232282 (1980-11-01), Menocal
patent: 4431877 (1984-02-01), Heft et al.
patent: 4513268 (1985-04-01), Seymour et al.
patent: 4616200 (1986-10-01), Fixemer et al.

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