Material unloader with flail beater and hood

Claim 1

A MATERIAL UNLOADER COMPRISING: A MOBILE FRAME; A MATERIAL CONTAINER OPENING TO ITS REAR AND INCLUDING A FLOOR AND TRANSVERSELY SPACED SIDE WALLS EXTENDING UPWARDLY FROM THE FLOOR; A FLOOR CONVEYOR MOVING MATERIAL OVER THE FLOOR TO THE OPEN REAR END OF THE CONTAINER; A TRANSVERSE ROTOR STRUCTURE MOUNTED BETWEEN SAID SIDE WALLS ADJACENT THE REAR END OF THE CONTAINER, SAID ROTOR STRUCTURE COMPRISING A TRANSVERSE ROTATABLE SHAFT, A PLURALITY OF AXIALLY SPACED FLEXIBLE ARM ELEMENTS MOUNTED ON THE SHAFT WITH EACH BEING COMPOSED OF INNER SECTIONS SUPPORTED ON AND EXTENDING RADIALLY FROM THE SHAFT AND HAVING MEANS AT THEIR OUTER ENDS DEFINING TRANSVERSE PIVOTS SUBSTANTIALLY PARALLEL TO THE AXIS OF THE SHAFT, AND RIGID OUTER RADIAL FLAIL MEMBERS HAVING INNER ENDS SUPPORTED ON SAID OUTER ENDS TO SWIVEL ABOUT SAID PIVOTS SAID FLAIL MEMBERS BEING TURNED AXIALLY ON THEMSELVES TO PRESENT SURFACE INCLINED RELATIVE TO THE ROTOR AND PIVOT AXES; AND MEANS ROTATING THE SHAFT WHEREBY THE UNDERSIDE OF THE ROTOR WILL MOVE REARWARDLY TO CONTACT MATERIAL MOVING REARWARDLY ON THE FLOOR CONVEYOR.