Contactor assembly for a circuit breaker

Details Contactor assembly for a circuit breaker Contactor assembly for a circuit breaker

2006-12-05

2006-12-05

Donovan, Lincoln (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

C335S195000, C218S022000

Reexamination Certificate

active

07145419

ABSTRACT:
A contactor assembly for a circuit breaker comprises a first spring supporting pin, a cam plate, a second spring supporting plate, a link, and a spring. When a movable contactor is rotated without a rotation axis, a fluctuation of a rotation center of the movable contactor is not generated and a current limiting function is fast performed. Also, after contacts are separated from each other, the movable contactor is prevented from returning towards fixed contactors and the separated position is maintained for a predetermined time. An assembly process of the contactor assembly is simplified.

REFERENCES:
patent: 6262642 (2001-07-01), Bauer
patent: 6403909 (2002-06-01), Green et al.
patent: 6791440 (2004-09-01), Harmon et al.
patent: 2005/0231308 (2005-10-01), Kim
U.S. Appl. No. 11/294,548 to Park., filed Dec. 6, 2005.

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