COUPLERS AND CENTRAL BUFFER COUPLERS FOR RAIL VEHICLES AND COMPONENTS THEREOF, NAMELY COUPLER HEADS, DRAW AND BUFFING GEARS, RECENTERING DEVICES, SHOCK ABSORPTION DEVICES, UNCOUPLING FEATURES AND SPRINGS, COUPLINGS FOR AIR, STEAM, WATER LINES AND CURRENT CONDUITS FOR VEHICLES

CENTRAL BUFFER COUPLINGS, ALSO WITH PUSHING AND TRACTION DEVICES, FOR RAILBORNE AND NON-RAILBORNE LAND VEHICLES, INCLUSIVE OF SUCH COUPLINGS FOR AIR, STEAM, WATER, AND CURRENT CONDUITS BETWEEN THE TWO VEHICLES; PARTS OF AFORESAID ARTICLES MADE OF RUBBER OR METAL; STABILIZERS, SPRINGS AND SPRING BODIES AS PARTS OF THE FOREGOING ARTICLES