Arc chamber barrier with interlocking top for circuit breaker

Details Arc chamber barrier with interlocking top for circuit breaker Arc chamber barrier with interlocking top for circuit breaker

2007-09-04

2007-09-04

Enad, Elvin (Department: 2832)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Housing structure

C200S244000, C218S041000

Reexamination Certificate

active

11411601

ABSTRACT:
An arc chamber barrier for a circuit breaker is provided. The arc chamber barrier has a body with a first interlock component that is structured to engage a second interlock component disposed in the circuit breaker primary cover. The arc chamber barrier body is further structured to be disposed in an elongated contact chamber at the interface of an arc chamber portion and an operating mechanism portion. In this configuration, the arc chamber barrier first interlock component resists displacement of the arc chamber barrier body when a pair of separable contacts moves between the second, closed position and the first, open position.

REFERENCES:
patent: 5635886 (1997-06-01), Pichard
patent: 5938008 (1999-08-01), Wehrli, III et al.
patent: 6005206 (1999-12-01), Rakus et al.
patent: 1073084 (2001-01-01), None

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