Dump trailer for automatic hay baler

Claim 1

A DUMP TRAILER FOR AN AUTOMATIC HAY BALER, SAID DUMP TRAILER COMPRISING AN ELONGATED MAIN FRAME HAVING A DRAWBAR PROJECTING FORWARDLY FROM ITS FORWARD END WITH SECURING MEANS ON ITS FORWARD TERMINAL END PORTION ADAPTED FOR PIVOTAL SECUREMENT TO THE REAR END OF A HAY BALER ADJACENT THE DELIVERY END OF THE DISCHARGE CHUTE THEREOF, SAID MAIN FRAME INCLUDING GROUND-ENGAGING SUPPORT WHEELS JOURNALLED FOR ROTATION ABOUT AXES EXTENDING TRANSVERSELY OF SAID MAIN FRAME, A STORAGE AND DUMP BIN OPEN AT THE TOP AND REAR FIXED ON SAID FRAME SUBSTANTIALLY DIRECTLY OVER SAID AXIS AND INCLUDING A BOTTOM PIVOTALLY MOUNTED FROM SAID MAIN FRAME FOR MOVEMENT ABOUT AN AXIS EXTENDING TRANSVERSELY OF SAID MAIN FRAME AND LYING IN A TRANSVERSE VERTICAL PLANE PASSING THROUGH THE FORWARD HALF OF SAID BIN FOR MOVEMENT BETWEEN A FIRST SUBSTANTIALLY HORIZONTAL POSITION AND A SECOND REARWARDLY AND DOWNWARDLY INCLINED DUMP POSITION, COACTING RELEASABLE LATCH MEANS CARRIED BY SAID MAIN FRAME AND BOTTOM FOR RETAINING THE LATTER IN SAID FIRST POSITION, REARWARDLY AND UPWARDLY INCLINED ELONGATED CONVEYOR MEANS EXTENDING FROM ITS INLET END AT A POINT ADJACENT SAID SECURING MEANS TO ITS OUTLET END AT A POINT SPACED REARWARDLY OF THE FORWARD END OF SAID BIN AND ADAPTED TO RECEIVE BALES FROM SAID