Railroad car supporting structure

Claim 1

A RAILROAD CAR HAVING A CAR BODY MEANS, AND HAVING A CAR UNDERFRAME FOR SUPPORTING THE CAR BODY MEANS THEREON, SAID UNDERFRAME COMPRISING: A PAIR OF END STUB DRAFT SILL ASSEMBLIES SUPPORTED ON TRUCKS AND CARRYING THE CAR BODY MEANS, A PAIR OF LATERALLY SPACED LONGITUDINALLY EXTENDING FLEXIBLE RIBBON SILL MEMBERS INTERCONNECTING THE STUB DRAFT SILL ASSEMBLIES AND CONNECTING WITH THE CAR BODY MEANS ALONG THE LONGITUDINALLY EXTENDING PORTIONS THEREOF, SAID RIBBON SILL MEMBERS BEING GUIDED BY SAID BODY MEANS AND SUPPORTED THEREBY WHEREBY THE RIBBON SILL MEMBERS AND THE BODY MEANS COOPERATE TO WITHSTAND THE BUFF FORCES TRANSMITTED TO THE DRAFT SILL ASSEMBLIES, MEANS FOR SUPPORTING THE CAR BODY MEANS ON THE STUB DRAFT SILL ASSEMBLIES FOR LONGITUDINAL MOVEMENT WITH RESPECT TO THE UNDERFRAME, SAID MEMBERS FORMING WITH SAID DRAFT SILL ASSEMBLIES A GENERALLY UNOBSTRUCTED OPEN RECTANGULAR BODY RECEIVING SPACE, SAID FLEXIBLE RIBBON SILL MEMBERS BEING ADAPTED TO BE GUIDED BY THE CAR BODY MEANS TO TAKE THE BUFF FORCES TRANSMITTED TO THE DRAFT SILL ASSEMBLIES, EACH DRAFT SILL ASSEMBLY COMPRISING AN END STUB CENTER SILL HAVING A TRANSVERSE BOLSTER AND A TRANSVERSE OUTRIGGER DISPOSED OUTWARDLY OF THE BOLSTER, EACH BOLSTER HAVING MEANS FOR ATTACHING THE SAME TO THE CAR BODY MEANS, SAID ASSEMBLIES EACH FURTHER HAVING A PAIR OF DIAGONALLY EXTENDING FORCE-TRANSMITTING ELEMENTS CONNECTING A RESPECTIVE END STUB CENTER SILL WITH A RESPECTIVE OUTRIGGER AND A RESPECTIVE BOLSTER AND A RESPECTIVE RIBBON SILL MEMBER WHEREBY DRAFT FORCES IMPOSED UPON THE CAR BODY MEANS ARE MAINTAINED BY WAY OF THE END STUB CENTER SILLS TO THE BOLSTER TO THE RIBBON SILL MEMBERS TO THE CAR BODY MEANS AND ALSO BY WAY OF THE END STUB CENTER SILLS TO THE CAR BODY MEANS BY WAY OF THE BOLSTERS AND FURTHER IN SEQUENCE FROM THE END STUB CENTER SILLS TO THE FORCE TRANSMITTING MEMBERS TO THE OUTRIGGERS TO THE BOLSTERS TO THE RIBBON SILL MEMBERS TO THE CAR BODY MEANS.