Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1988-02-03
1989-03-14
Broome, H.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
200303, 335202, H01H 7500, H01H 7700, H01H 8300
Patent
active
048127930
ABSTRACT:
A two pole circuit breaker has a central opening to receive the single actuator provided for setting and resetting the two breaker mechanisms. These mechanisms are compactly housed in two chambers that are defined by half sections which are in turn provided inside an outer shell that defines the top opening. In one version the actuator is a pushbutton that is coupled to both breaker mechanisms. In other versions the actuator is in the form of a toggle or a rocker with coupling means to both breaker mechanisms. In a preferred embodiment the half sections that define the breaker mechanism chambers include a center section of I-shape that defines the adjacent chambers and also accommodates a lamp to light the rocker/actuator and/or a well to receive a light switch that can be wired to provide remote indication of switch condition. Provision is made to mount inertia wheels in both breaker mechanisms with the mass of each wheel being minimized as a result of locating the wheel's axis between the armature pivot point and the pin and slot coupling between the armature and the inertia wheel itself.
REFERENCES:
patent: 4077024 (1978-02-01), Lisnay
patent: 4206430 (1980-06-01), Rusch et al.
patent: 4347488 (1982-08-01), Mune et al.
Broome H.
Carlingswitch, Inc.
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