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US 6,486,426 B2Granted
Contact arrangement for electrical power distribution switch or the like
AssigneeS&C Electric Company
InventorRoy T. Swanson
Life of this patent
Estimating the term…
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AssigneeS&C Electric Company
InventorRoy T. Swanson
Estimating the term…
A contact arrangement is provided, e.g. of the type that functions as a wiping contact for a moving contact such as a pivotally mounted switch blade in an electrical power distribution switch. The contact arrangement in an illustrative embodiment includes spaced apart contact members that are biased toward each other to define predetermined contact pressure/force characteristics with respect to the interposed moving contact. The contact members in a preferred embodiment include predetermined contact areas and predetermined structural features to minimize deformation due to magnetic forces experienced in the presence of high currents. The structural features are also arranged to define current paths that increase the contact pressure. In a particular embodiment the contact areas are formed on the contact members so as to minimize the size of the moving contact.
A contact arrangement for use in an electrical switch comprising:
A contact arrangement on a contact member having a contact area that is defined by a truncated portion of a generally circular shape, the truncation being arranged along an edge of said contact member.
A contact arrangement for use in an electrical switch comprising:
Dependencies are inferred from the claim text.