Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Tripping means
Patent
1999-11-23
2000-12-26
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Tripping means
335167, H01H 900
Patent
active
061666165
ABSTRACT:
An electrical circuit breaker comprises a housing; separable contacts housed within the housing and moveable between a closed position and an open position; an operating mechanism for moving the separable contacts between the closed position and the open position thereof, the operating mechanism having a first position and a second position corresponding to the open position of the separable contacts; a latch for latching said operating mechanism in the first position thereof and for releasing the operating mechanism to the second position thereof; a trip bar movable in a first direction and a second direction for unlatching said latch, the trip bar including first and second pivot pockets for pivotally mounting the trip bar within the housing; a sensor for sensing an electrical condition associated with the separable contacts and for moving the trip bar in the second direction in order to unlatch the latch, to release the operating mechanism to the second position thereof, and to move the separable contacts to the open position thereof; and first and second clips respectively positioned in the first and second pivot pockets for providing bearing surfaces in the trip bar.
REFERENCES:
patent: 3467920 (1969-09-01), Hall et al.
patent: 4128822 (1978-12-01), Peterson, Jr.
patent: 4929919 (1990-05-01), Link et al.
patent: 5341191 (1994-08-01), Crookston et al.
patent: 5705968 (1998-01-01), Beck et al.
patent: 5831501 (1998-11-01), Kolberg et al.
patent: 5831503 (1998-11-01), Beck et al.
patent: 5898146 (1999-04-01), Beck et al.
Fischer Kenneth Martin
Zindler Mark Owen
Donovan Lincoln
Eaton Corporation
Moran Martin J.
Nguyen Tuyen T.
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