Apparatus for discharging bulk material from bins

Claim 1

APPARATUS FOR TIPPING TO DISCHARGE THE CONTENTS OF A BIN HAVING LEGS, A STAND HAVING A BASE AND A FRAME EXTENDING UPWARDLY FROM SAID BASE, A BIN SUPPORTING CRADLE HAVING A PAIR OF TRANSVERSELY SPACED UPWARDLY OPENING CHANNEL TRACKS HAVING FRONT AND REAR ENDS, SAID TRACKS BEING LOCATED AT THE LOWER END OF THE CRADLE AND SHAPED TO RECEIVE THE BIN LEGS, FRAME MEANS ON THE CRADLE CONNECTING SAID TRACKS, PIVOT MEMBERS SECURED TO SAID TRACKS ADJACENT THE REAR ENDS THEREOF AND ROTATABLY SUPPORTED ON THE UPPER END OF SAID FRAME SO THAT SAID TRACK MEMBERS ARE MOVABLE UP AND DOWN BETWEEN A SUBSTANTIALLY HORIZONTAL POSITION AND A POSITION INCLINED DOWNWARDLY AND FORWARDLY FROM SAID PIVOT MEMBERS, A FRAMEWORK ON SAID CRADLE EXTENDING UPWARDLY AND HAVING A PORTION THEREOF ABOVE AND IN SUBSTANTIALLY VERTICAL ALIGNMENT WITH THE FRONT ENDS OF SAID TRACKS IN THE HORIZONTAL POSITION THEREOF, AND POWER OPERATED EXTENSIBLE MEANS CONNECTED TO AND EXTENDING BETWEEN SAID STAND AND SAID CRADLE, SAID MEANS BEING CONNECTED AT ONE END THEREOF TO SAID CRADLE ADJACENT THE FORWARD ENDS OF SAID TRACKS IN A SUPPORTING RELATION WITH SAID CRADLE FOR MOVING SAID CRADLE UPWARD TO SAID SUBSTANTIALLY HORIZONTAL POSITION THEREOF.