Railway car uncoupling device

Claim 1

IN A RAILWAY CAR HAVING A CUSHIONING ARRANGEMENT IN WHICH A COUPLER IS MOUNTED IN A CUSHIONED SLIDING STILL STRUCTURE PROJECTING OUTWARDLY FROM AN END SILL OF THE CAR AND MOVABLE RELATIVE TO SAID END SILL IN TELESCOPIC RELATION IN RESPONSE TO BUFF AND DRAFT FORCES, THE PROVISION OF AN UNCOUPLING DEVICE MOUNTED ALONG SAID END AND SLIDING SILLS AND CONNECTED TO SAID COUPLER TO UNLOCK THE SAME, SAID DEVICE COMPRISING A SHAFT EXTENDING ALONG SAID SLIDING SILL AND THROUGH SAID END SILL FOR TELESCOPIC MOVEMENT WITH SAID SLIDING SILL, MEANS MOUNTING SAID SHAFT ON SAID SLIDING SILL FOR PIVOTING THEREOF RELATIVE TO SAID SLIDING SILL, FIRST LEVER MEANS CONNECTED TO SAID SHAFT ADJACENT SAID END SILL, SAID SHAFT BEING SLIDABLE THROUGH SAID FIRST LEVER MEANS DURING TELESCOPIC MOVEMENT OF SAID SLIDING SILL BUT BEING PIVOTED BY SAID LEVER MEANS UPON MOVEMENT THEREOF, OPERATING MEANS CARRIED BY SAID END SILL AND CONNECTED WITH SAID FIRST LEVER MEANS, SECOND LEVER MEANS CONNECTED TO SAID SHAFT FOR PIVOTING THEREWITH ADJACENT SAID COUPLER AND MOVABLE WITH SAID SHAFT RELATIVE TO SAID END SILL, AND COUPLER LOCK OPERATING MEANS EXTENDING BETWEEN SAID SECOND LEVER MEANS AND SAID COUPLER TO UNLOCK THE SAME UPON PIVOTING OF SAID SHAFT.