Trip crossbar translation to prevent bimetal overstressing in a

Details Trip crossbar translation to prevent bimetal overstressing in a Trip crossbar translation to prevent bimetal overstressing in a

1988-10-11

1989-08-29

Broome, H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

335 8, 335 43, 337 70, H01H 7116, H01H 7508

Patent

active

048621315

ABSTRACT:
A circuit breaker for breaking current conduction between line and load connectors in response to tripping of a bimetallic thermal element as a result of an over-current condition is disclosed. According to the invention, a trip crossbar is permitted to translate as well as rotate to relieve stress on the thermal element.

REFERENCES:
patent: 3265837 (1966-08-01), Klein
patent: 3319196 (1967-05-01), Myers
patent: 3500275 (1970-03-01), Oravec
patent: 4146855 (1979-03-01), Schultz et al.
patent: 4220935 (1980-09-01), Wafer et al.
patent: 4260969 (1981-04-01), Troehel et al.
patent: 4472701 (1984-09-01), Bellows et al.
patent: 4675640 (1987-06-01), DiMarco et al.

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