Bulk material loading and trimming machine

Claim 1

IN A BULK-MATERIAL LOADING MACHINE WHICH INCLUDES A GENERALLY HORIZONTAL ENDLESS DRIVEN THROWER BELT, A FEED CHUTE ABOVE AND DISCHARGING ONTO THE UPPER RUN OF THE BELT, FRONT AND REAR PULLEYS ABOUT WHICH THE BELT IS TRAINED, MEANS CONNECTED TO THE REAR PULLEY TO DRIVE THE SAME, SIDE FRAMES SUPPORTING THE REAR PULLEY, BELLCRANKS PICOTED SIDE FRAMES SUPPORTING THE REAR PULLEY, BELLCRANKS PIVOTED ON THE FRAMES AND INCLUDING GENERALLY HORIZONTAL ARMS PROJECTING FORWARDLY FROM THE PIVOTS, AND ON THE FORWARD ENDS OF WHICH THE FRONT PULLEY IS JOURNALED, AND RELATIVELY SHORT ARMS DEPENDING FROM THE PIVOTS; ANOTHER PAIR OF RELATIVELY SHORT ARMS GENERALLY PARALLEL TO THE FIRST NAMED SHORT ARMS REARWARDLY THEREOF, MEANS PIVOTING THE LAST NAMED ARMS AS A RIGID UNIT IN THE FRAMES, LINKS CONNECTING THE ENDS OF THE CORRESPONDING PAIRS OF ARMS, AND AN OPTIONALLY DRIVEN ECCENTRIC UNIT WHICH INCLUDES AN ECCENTRIC STRAP EXTENDING AT AN ACUTE ANGLE AND CONNECTED TO THE OUTER END OF ONE OF THE LAST NAMED ARMS.