Disc-type wood reducer with multiple feed

Claim 1

A DISC-TYPE WOOD REDUCER FOR SMALL PIECES OF WOOD COMPRISING A DISC-SHAPED ROTOR HAVING A FACE SURFACE, A PLURALITY OF KNIVES MOUNTED ON THE FACE SURFACE OF THE ROTOR, MEANS FOR DRIVING THE ROTOR, BASE MEANS ADJACENT THE ROTOR, A POWER OPERATED FEED RAM ON THE BASE MOVABLE FORWARDLY AND REARWARDLY RELATIVE TO THE FACE OF THE DISC AND HAVING A HEAD FOR ENGAGING AND DRIVING WOOD PIECES AGAINST THE DISC FACE, FEED HOPPER MEANS FOR DIRECTING WOOD PIECES TO THE FORWARD END OF THE RAM HEAD WHEN THE LATTER IS RETRACTED, A HOLDOWN HEAD MOVABLE IN A DIRECTION SUBSTANTIALLY AT RIGHT ANGLES TO THE DIRECTION OF TRAVEL OF THE FEED RAM, THE HOLDDOWN HEAD AND RAM HEAD HAVING FORWARD PORTIONS ARRANGED TO INTERLEAVE SO THAT THE HOLDDOWN HEAD IS MOVABLE TOWARD THE BASE TO AN INWARD POSITION WHEREIN THE DISTANCE BETWEEN THE HOLDDOWN HEAD AND THE BASE IS LESS THAN THE CORRESPONDING THICKNESS OF THE RAM HEAD, AND MEANS FOR MOVING THE HOLDDOWN HEAD TOWARD THE BASE.