Gravity bed auger arrangement

Claim 1

IN COMBINATION WITH A GRAVITY BED VEHICLE HAVING FOUR SIDE WALLS AND A PAIR OF TRANSVERSE SIDES, THREE OF SAID FOUR SIDE WALLS EACH HAVING A DOWNWARD SLOPE WHEREBY GRAIN AND THE LIKE CAN MOVE ACROSS SAID THREE SIDE WALLS BY GRAVITY, THE FOURTH OF SAID SIDE WALLS BEING VERTICAL AND LOCATED AT ONE TRANSVERSE SIDE OF THE VEHICLE, ONE OF SAID THREE SIDE WALLS EXTENDING ACROSS THE VEHICLE TO SAID ONE TRANSVERSE SIDE FROM THE OPPOSITE TRANSVERSE SIDE THEREOF, SAID FOURTH SIDE WALL HAVING AN OUTLET OPENING AT THE LOWER PORTION THEREOF, AND MEANS FOR SELECTIVELY OPENING AND CLOSING SAID OUTLET OPENING, THE IMPROVEMENT WHICH COMPRISES: A FIRST TUBULAR HOUSING; A FIRST AUGER IN SAID TUBULAR HOUSING; MEANS FOR ROTATING SAID FIRST AUGER IN SAID HOUSING; SAID HOUSING HAVING AN INLET OPENING IN THE SIDE WALL THEREOF; CONDUIT MEANS MOUNTING SAID AUGER HOUSING ON SAID ONE SIDE WALL SO AS TO EXTEND BENEATH SAID ONE SIDE WALL UPWARDLY FROM SAID INLET OPENING; SAID LAST MENTIONED MEANS ALSO PROVIDING A PASSAGE TO SAID INLET OPENING FROM THE LOWER PORTION OF SIDE GRAVITY BED WHICH PASSAGE IS SEPARATE FROM SAID SIDE WALL OPENING; AND MEANS FOR SELECTIVELY CLOSING OFF SAID PASSAGE.