Electricity: circuit makers and breakers – Contact moved by sudden release of stored energy
Reexamination Certificate
2006-08-11
2009-02-24
Enad, Elvin G (Department: 2832)
Electricity: circuit makers and breakers
Contact moved by sudden release of stored energy,
C200S306000
Reexamination Certificate
active
07495189
ABSTRACT:
A miniature circuit breaker is disclosed with a latch for continuously opening and closing a contact point with a contact lever on which the moving contact member is molded. A toggle lever gear with a link connected to a switching handle and a coupling element are provided, the coupling element connecting the link with the contact lever, which toggle lever gear can be brought from a first stable position (switched-on position) into a second stable position via a dead-center position by a tripping mechanism. The contact lever can be rotated and the contact point can be permanently opened. A compression spring is provided which acts on the link, the force of which acts approximately in a direction of the longitudinal extent of the link in the switched-off position, and thus at the beginning of the switching-on process, and transversely thereto in the switched-on position.
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Christmann Jurgen
Weber Ralf
ABB Patent GmbH
Anglo Lheiren Mae A
Buchanan & Ingersoll & Rooney PC
Enad Elvin G
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