ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,781, issued on March 31, was assigned to KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH (Germany).
"Tread brake assembly" was invented by Balazs Liktor (Budapest, Hungary).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tread brake assembly for a rail car includes at least one brake block for pressing against a tread of a corresponding rail car wheel, a piston actuator powered by a fluid for driving the tread brake assembly, a brake rigging for transferring a braking stroke from the actuator piston to the at least one brake block, at least one sensor device for measuring at least one parameter of the tread brake assembly, and the tread brake assem...