Patent ID: 7753318
Filing Date: 2010-07-13
Classification: B61L

Abstract:
1. A system for temporary protection operation of at least one controller box for a railroad switch turnout in a non-powered mode, the railroad switch turnout including a normal and a reverse switch point positioned between respective normal and reverse stationary stock rails and a pair of movable switch rails disposed between said stationary stock rails with said normal and reverse switch points being movable between a normal position and a reverse position, said system comprising: at least one normal controller box coupled to said normal switch point for moving said normal switch point between said normal position and said reverse position, each controller box comprising: wherein upon establishing said at least one pair of compressed contacts, said at least one pair of rail connections and at least one pair of compressed contacts facilitate respective opposing current along said normal and reverse stationary stock rails indicative of a safe condition of said railroad switch turnout; and wherein upon establishing said at least one pair of extended contacts, said at least one pair of rail connections and at least one pair of extended contacts facilitate shunting of said respective normal and reverse stationary stock rails indicative of an unsafe condition of said railroad switch turnout.