Railroad draft gear

Claim 1

IN A RAILROAD CAR DRAFT GEAR, A CENTER SILL EXTENDING THROUGHOUT THE LENGTH OF THE RAILROAD CAR, SAID CENTER SILL HAVING SPACED SLOTS IN THE SIDES THEREOF; A SLIDING SILL WITHIN SAID CENTER SILL AND SPACED FROM SAID CENTER SIL BY BEARING MEMBERS, SAID SLIDING SILL HAVING SPACED SLOTS IN THE SIDES THEREOF COEXTENSIVE WITH THE SLOTS IN SAID CENTER SILL; A COUPLER MOUNTED TO SAID SLIDING SILL AND SAID CENTER SILL BY A FIRST PIN MEANS, WHICH FIRST PIN MEANS IS OPERATIVELY ASSOCIATED WITH ONE OF SAID SLOTS IN SAID SLIDING SILL AND SAID CENTER SILL; AN ENERGY DISSIPATIVE DEVICE CONNECTED WITH SAID SLIDING SILL AT THE END OF SAID SLIDING SILL OPPOSITE THAT WHICH RECEIVES THE COUPLER, SAID ENERGY DISSIPATIVE DEVICE BEING GROOVED AT ITS FORWARD END, WHICH GROOVE IS COEXTENSIVE WITH A PAIR OF SAID SLOTS IN SAID SLIDING SILL AND SAID CENTER SILL; AND A SECOND PIN MEANS EXTENDING THROUGH SAID PAIR OF SLOTS IN SAID SLIDING SILL AND SAID CENTER SILL AND RESTING IN SAID GROOVE OF SAID ENERGY DISSIPATING DEVICE, SAID SECOND PIN MEANS TO COOPERATION WITH SAID SLOTS OF SAID SLIDING SILL AND SAID CENTER SILL FORMING BUFF LIMIT STOPS FOR SAID DRAFT GEAR.