Contact structure for drawout switchgear
AssigneeWestinghouse Electric Corp.
InventorsJames O. Rexroad, John P. Majcher
Life of this patent
Estimating the term…
Abstract
A contact structure characterized by a plurality of pairs of oppositely disposed contact fingers for engaging a terminal stab, biasing means comprising leaf springs at the outer sides of the contact fingers, and bracket means for holding the assembly of the contact finger and biasing means together.
Claims6
Drawout switchgear comprising a cell having an opening at the front thereof, stationary primary terminal stab supported in the cell, stationary secondary terminal stab supported in the cell, a circuit interrupting unit movable into and out of the cell, movable primary terminal means on the circuit interrupting unit movable with the circuit interrupting unit, movable secondary terminal means on the circuit interrupting unit movable with the circuit interrupting unit, each movable terminal means comprising a terminal support, at least one pair of oppositely disposed contact fingers for engaging the terminal stab, means biasing said pair of fingers toward each other into engagement with said terminal support, said biasing means comprising leaf springs disposed on the outer sides of said pair of contact fingers to provide said biasing means, bracket means for holding said contact fingers and said terminal support and said contact fingers together, and the bracket means extending between and restrainingly engaging the leaf springs substantially centrally thereof.
Dependencies are inferred from the claim text.