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Claim 1

A CHARGING BOX FOR A MACHINE FOR OPERATING ON METAL SCRAP COMPRISING: A BOX-LIKE RECEPTACLE HAVING AN OPEN TOP, A BOTTOM WALL, A PAIR OF OPPOSED END WALLS, AND TWO OPPOSED UPRIGHT SIDE WALLS, SAID BOTTOM WALL INCLUDING A MAIN PORTION AND AN EDGE PORTION HINGED THERETO ABOUT AN AXIS PARALLEL TO SAID SIDE WALLS FOR PIVOTAL MOVEMENT BETWEEN SUBSTANTIALLY HORIZONTAL AND SUBSTANTIALLY UPRIGHT POSITIONS, ONE OF SAID SIDE WALLS BEING FIXEDLY SECURED TO SAID BOTTOM WALL EDGE PORTION, AND ONE OF SAID END WALLS HAVING AN INWARDLY MOVABLE PORTION THE LOWER EDGE OF WHICH CONFORMS TO AND IS SUBSTANTIALLY COEXTENSIVE WITH THE WIDTH OF SAID BOTTOM WALL MAIN PORTION AND THE HEIGHT OF WHICH IS SUBSTANTIALLY EQUAL TO THE WIDTH OF SAID BOTTOM WALL EDGE PORTION; AND A HOPPER PLATE COEXTENSIVE IN LENGTH WITH SAID ONE SIDE WALL AND HINGED TO THE UPPER EDGE THEREOF ABOUT AN AXIS PARALLEL TO SAID FIRST-MENTIONED AXIS FOR PIVOTAL MOVEMENT BETWEEN A POSITION EXTENDING OUTWARDLY AT AN ANGLE APPROACHING 90* TO THE PLANE OF SAID ONE SIDE WALL AND A POSITION EXTENDING DOWNWARDLY ON THE OUTER SIDE OF AND SUBSTANTIALLY PARALLEL TO SAID ONE SIDE WALL, WHEREBY WHEN SAID HOPPER PLATE IS IN SAID PARALLEL POSITION AND SAID EDGE PORTION IS IN SAID UPRIGHT POSITION, SAID PLATE IS HORIZONTAL AND SCRAP CAN BE DEPOSITED THEREON AND SUBSEQUENTLY DUMPED INTO SAID RECEPTACLE BY PIVOTAL MOVEMENT OF SAID EDGE PORTION TOWARD ITS SAID HORIZONTAL POSITION AND PIVOTAL MOVEMENT OF SAID PLATE TOWARD ITS SAID ANGULAR POSITION.