Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1986-07-23
1987-12-15
Goldberg, E. A.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
335 22, 335172, H01H 7700, H01H 8300, H01H 8100
Patent
active
047136367
ABSTRACT:
A circuit-breaker which includes a housing, an actuator device positioned in generally upstanding relationship to and centrally of the housing, thermal trippers and magnetic trippers mounted on one side of the actuator device, an electromagnetic drive including an armature for operating an associated element, the electromagnetic drive being mounted on a side of the actuator device opposite the thermal and magnetic trippers, a pair of pivotally connecting links, the links being operated by a pivoted yoke by energization of the armature, one of the links having a nose received in a slot of a slide, and the magnetic and thermal trippers also having noses received in slots of a slide such that selective turn-on and turn-off conditions can be achieved manually or automatically.
REFERENCES:
patent: 4124833 (1978-11-01), Stoger
patent: 4631507 (1986-12-01), Guery et al.
Lemmer Helmut
Risthaus Josef
Donovan Lincoln
Goldberg E. A.
Square D Starkstrom GmbH
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