Railway car draft appliance

Claim 1

IN A RAILWAY CAR HAVING A LONGITUDINAL CENTER SILL AFFIXED TO THE CAR, SAID CENTER SILL PROVIDING A LONGITUDINAL HOLLOW POCKET ADJACENT ONE END AND AN OPENING FOR SAID POCKET AT SAID ONE END, AND A DRAFT APPLIANCE MOUNTED IN SAID POCKET, SAID DRAFT APPLICANCE COMPRISING: A HOUSING; MEANS MOUNTING SAID HOUISNG THEREIN; CUSHIONING MEANS IN TUDINAL SLIDING MOVEMENT THEREIN; CUSHIONING MEANS IN SAID HOUSING; AN OPERATING ROD FOR SAID CUSHIONING MEANS EXTENDING LONGITUDINALLY FROM THE INNER END OF SAID HOUSING; MEANS ANCHORING SAID OPEATING ROD TO SAID CENTGER SILL; A COUPLER EXTENDING LONGITUDINALLY OUTWWADLY FROM THE OUTER END OF SAID HOUSING, THE SHANK OF SAID COUPLER BEINGWITHIN SAID HOUSING AND PROVIDING A TRANSVERSE KEYWAY THERETHROUGH; SAID HOUSING PROVIDING HOLES IN OPPOSITE WALLS TRANVERSELY ALIGNED WITH SAID KEYWAY, SAID CENTER SILL PROVIIDNG LONGITUDINAL SLOTS IN OPPOSITE WALLS TRANSVERSELY ALIGNED WITH SAID KEYWAY, SAID SLOTS HAVING OPENINGS IN SAID ONE END OF SAID CENTER SILL; A COUPLER KEY EXTENDING TRANVERSELY THROUGH SAID KEYWAY AND SAID HOLES IN SAID HOUSING TO SUBSTANTIALLY FIX SAID COUPLER TO SAID HOUSING, SAID KEY EXTENDING THROUGH SAID SLOTS IN SAID CENTER SILL AN BEING LONGITUDINALLY SLIDABLE THEREIN FIRST COOPERATING STOP MEMBERS ON SAID HOUSING AND SAID CENTER SILL LIMITING INWARD SLIDING MOVEMTN OF SAID HOUSING TO A POSITION IN WHICH SAID KEY IS WITHIN SAID SLOTS; AND SECOND COOPERATING STOP MEMBERS ON SAID HOUSING AND ON SAID CENTER SILL LIMITING OUTWARD SLIDING MOVEMENT OF SAID HOUSING TO A POSITION IN WHICH AT LEAST A PORTION OF SAID KEY PROJECTS OUTWARDLY FROM THE OPEN ENDS OF SAID SLOTS.