Material unloading and spreading device

Claim 1

IN A SIDE LOADING AND UNLOADING MATERIAL DISTRIBUTING DEVICE, IN COMBINATION: A TWO-WHEELED CARRIAGE HAVING A SINGLE OXBOW CROSS-FRAME MEMBER WITH GENERALLY HORIZONTAL EXTREMITIES AND A DOWNWARDLY CURVED CENTRAL PORTION, STUB AXLES SECURED IN AND PROJECTING FROM THE ENDS OF SAID MEMBER, WHEELS JOURNALED ON SAID STUB AXLES, AND HITCH MEANS SECURED AT ITS REAR END TO SAID MEMBER AND HAVING A FORWARD END ON THE MEDIAN, PLANE BETWEEN THE WHEELS, SAID CARRIAGE HAVING A TREAD WIDTH WHICH IS GREATER THAN THE SPACE BETWEEN TWO ADJACENT ROWS OF CONVENTIONALLY PLANTED ROW CROPS AND SUBSTANTIALLY LESS THAN THE CENTER-TO-CENTER SPACE OF FOUR SUCH ROWS, SO THE CARRIAGE MAY SPAN TWO ADJACENT ROWS OF CROPS AND THE WHEELS RUN BETWEEN SAID ROWS AND THE NEXT ADJACENT ROWS; A GENERALLY CYLINDRICAL CONTAINER POSITIONED BETWEEN SAID WHEELS AND HAVING AN ARCUATE WALL RESTING ON AND IN CONTACT WITH A SUBSTANTIAL PART OF THE CENTRAL PORTION OF THE FRAME MEMBER, SAID CONTAINER HAVING FRONT AND REAR END WALLS AND A SIDE OPENING THROUGH WHICH MATERIAL MAY BE LOADED AND UNLOADED, THE EXTREMITIES OF SAID FRAME MEMBER PROVIDING TWO AREAS OF SUCH HIGH GROUND CLEARENCE BETWEEN AND ADJACENT THE WHEELS, AND OF SUCH WIDTH THAT TWO ADJACENT ROWS OF GROWING ROW CROPS ARE IN SAID AREAS WHEN THE CARRIAGE SPANS SAID ROWS, AND THE DOWNWARDLY CURVED CENTRAL PORTION OF SAID CROSS FRAME MEMBER BEING RELATIVELY LOW TO PLACE THE CONTAINER SIDE OPENING LOW AND THUS FACILITATE LOADING; MEANS DETACHABLY SECURING THE CONTAINER TO THE FRAME MEMBER, SAID MEANS INCLUDING A PAIR OF SEPARATE LATERAL BRACES DETACHABLY SECURED AT OPPOSITE ENDS TO THE CONTAINER AND TO THE FRAME MEMBER; MEANS DETACHABLY SECURING THE FRONT WALL OF THE CONTAINER TO AN INTERMEDIATE PORTION OF THE HITCH MEANS; AN UNLOADER SHAFT JOURNALED IN SAID END WALLS AND HAVING AN END EXTENDING FORWARDLY OF SAID FRONT END WALL; A PLURALITY OF FLAILS ON SAID UNLOADER SHAFT; AND MEANS FOR DRIVING SAID SHAFT FROM A TRACTOR POWER TAKE-OFF IN A DISCHARGE DIRECTION WITH THE FLAILS TRAVERSING THE DISCHARGE OPENING FROM TOP TO BOTTOM.