Handbrake linkage for self-contained brake arrangement

Claim 1

IN HANDBRAKE RIGGING FOR A RAILWAY CAR TRUCK HAVING A FRAME SUPPORTED UPON TWO WHEEL AND AXLE ASSEMBLIES, TWO BRAKE SUPPORTS MOUNTED ON THE FRAME BETWEEN SAID ASSEMBLIES, BRAKE SHOES MOUNTED ON SAID BRAKE SUPPORTS TO FRICTIONALLY ENGAGE THEIR RESPECTIVE ASSEMBLIES, VERTICAL BRAKE LEVERS PIVOTALLY MOUNTED INTERMEDIATE THEIR ENDS ON SAID BRAKE SUPPORTS AND HAVING THEIR LOWER ENDS CONNECTED TO SAID BRAKE SHOES, A HORIZONTAL DEAD ACTUATING LEVER HAVING ITS INBOARD END PIVOTALLY CONNECTED TO SAID FRAME AND ITS OUTBOARD END MOVABLE INTO ABUTTING ENGAGEMENT AGAINST THE UPPER END OF ONE OF SAID BRAKE LEVERS, A HORIZONTAL LIVE ACTUATING LEVER SLIDABLY MOUNTED ON SAID FRAME AND HAVING ITS OUTBOARD END MOVABLE INTO ABUTTING ENGAGEMENT AGAINST THE UPPER END OF THE OTHER OF SAID BRAKE LEVERS, A LINK PIVOTALLY CONNECTED AT ITS ENDS TO THE MEDIAL PORTIONS OF SAID LIVE AND DEAD ACTUATING LEVERS, RELEASE SPRING MEANS ENGAGED BETWEEN THE OUTBOARD ENDS OF EACH OF SAID ACTUATING LEVERS AND THEIR RESPECTIVE BRAKE SUPPORTS, AND BRAKE OPERATING MEANS CONNECTED TO THE INBOARD END OF THE LIVE ACTUATING LEVER.