Support plate for a circuit breaker

Details Support plate for a circuit breaker Support plate for a circuit breaker

1994-12-22

1996-08-13

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335202, H01H 7512

Patent

active

055460607

ABSTRACT:
A support plate for a circuit breaker has a longitudinal slot centrally located in the support plate, a free end with a tab for affixing an elongated bimetal of a trip assembly, a longitudinal edge opposite to the free end and terminating in proximity to a latch ledge of a cradle of an operating mechanism, opposed lobes each having a transverse edge, and an opening in each of the transverse edges. The support plate extends partially along a planar wall of a base of a housing for the circuit breaker. Molded pins in the base of the housing of the circuit breaker enter the openings in the transverse edges of the support plate for securing the support plate to the base. These molded pins extend outwardly to space the support plate away from the cradle of the operating mechanism. Bent over tabs are provided in one of the lobes for abutting a cover of the circuit breaker to maintain the fixed position of the support plate in the housing base.

REFERENCES:
patent: 2798918 (1957-07-01), Gelzheiser
patent: 3849747 (1974-11-01), Mrenna et al.
patent: 4148004 (1979-04-01), Gelzheiser
patent: 4616200 (1986-10-01), Fixemer et al.
patent: 5008645 (1991-04-01), Mrenna
patent: 5245302 (1993-09-01), Brune et al.
patent: 5285180 (1994-02-01), Rezac et al.

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