Offset pivoted clousure for hopper cars

Claim 1

IN COMBINATION WITH A RAILROAD DISCHARGING FREIGHT CAR HAVING A CAR BODY WITH A DISCHARGE OPENING THEREIN: A DOWNWARDLY INCLINED DISCHARGE CHUTE CONNECTED TO THE CAR BODY ADJACENT SAID DISCHARGE OPENING AND LEADING AWAY FROM THE DISCHARGE OPENING AND COMPRISING A DOWNWARDLY INCLINED DISCHARGE PLATE HAVING LATERAL UPSTANDING SIDE WALLS EXTENDING IN SUBSTANTIALLY V-SHAPED FORMATION WITH REGARD TO EACH OTHER, SAID SIDE WALLS CONVERGING IN A DIRECTION AWAY FROM SAID DISCHARGE OPENING, A CLOSURE MEMBER MOVABLE TRANSVERSELY OF SAID CHUTE ACROSS SAID OPENING FOR CLOSING SAID OPENING, SAID CLOSURE MEMBER BEING ARCUATE IN CROSS SECTION IN THE DIRECTION OF MOVEMENT THEREOF SUPPORTING ARMS ATTACHED TO SAID CLOSURE MEMBER AND EXTENDING THEREFROM ON THE CONCAVE SIDE OF THE CLOSURE MEMBER, SAID ARMS HAVING PORTIONS EXTENDING OVER THE TOPS OF SAID CHUTE SIDE WALLS AND ARRANGED OUTSIDE SAID CHUTE, AND BEARING MEANS SUPPORTED BY SAID FREIGHT CAR OUTSIDE SAID CHUTE AND PIVOTALLY SUPPORTING SAID SUPPORTING ARMS, SAID BEARING MEANS BEING LOCATED SUBSTANTIALLY ON THE AXIS REPRESENTING THE CENTER OF THE CURVATURE OF SAID CLOSURE MEMBER.