Railway cars for transporting cylindrical objects

Claim 1

A RAILWAY CAR FOR CARRYING CYLINDRICAL OBJECTS WITH THEIR AXES LYING LENGTHWISE OF THE CAR, WHICH COMPRISES AN UNDERFRAME MADE UP OF A HOLLOW LONGITUDINAL CENTER SILL, BOLSTERS CONNECTED TO THE SILL NEAR ITS ENDS, FILLER CASTINGS CONNECTED TO THE SILL TO EXTEND ACROSS ITS BOTTOM AT THE BOLSTERS, A PAIR OF MAJOR SIDE SILLS LYING, RESPECTIVELY, ON OPPOSITE SIDES OF THE CENTER SILLS AND RESTING ON THE BOLSTERS INWARD FROM THEIR ENDS, THE UPPER ENDS OF THE MAJOR SIDE SILLS LYING IN A COMMON PLANE SUBSTANTIALLY ABOVE THE LEVEL OF THE TOP OF THE CENTER SILL, AND CROSSBEARERS EACH INCLUDING A BEAM EXTENDING BETWEEN AND SECURED TO THE LOWER ENDS OF THE MAJOR SIDE SILLS AND EXTENDING ACROSS AND SECURED TO THE BOTTOM OF THE CENTER SILL, EACH CROSSBEARER HAVING PARTS EXTENDING UPWARD FROM ITS BEAM AND LYING BETWEEN AND SECURED RIGIDLY TO THE OPPOSED FACES OF EACH MAJOR SIDE SILL AND THE CENTER SILL, A CRADLE MOUNTED ON THE UNDERFRAME AND INCLUDING A PAIR OF DOWNWARDLY CONVERGENT LONGITUDINAL FLOOR SECTIONS EXTENDING FROM THE TOPS OF RESPECTIVE MAJOR SIDE SILLS TO THE TOPS OF THE CENTER SILL AND BOLSTERS, SUPPORTING MEMBERS FOR THE FLOOR SECTIONS SECURED RIGIDLY TO THE SIDE SILL AND THE CENTER SILL, CERTAIN OF THE SUPPORTING MEMBERS ACTING AS CROSS TIES, THE UPWARDLY EXTENDING PARTS OF THE CROSSBEARERS HAVING UPPER END SECTIONS ENGAGING AND SUPPORTING THE FLOOR SECTIONS, END WALLS MOUNTED ON THE CENTER SILL AT THE ENDS OF THE FLOOR SECTIONS AND CONNECTING THE SIDE SILLS, A MOVABLE DRAFT AND BUFFING COLUMN WITHIN THE CENTER SILL AND RESTING ON THE FILLER CASTINS AND CROSSBEARERS, AND LONG TRAVEL CUSHIONING MECHANISM CONNECTED TO THE CENTER SILL AND COLUMN AND RESISTING THE MOVEMENT OF THE COLUMN RELATIVE TO THE CENTER SILLS.