Wood chip producing device

Claim 1

APPARATUS FOR PRODUCING SUBSTANTIALLY UNDAMAGED WOOD CHIPS WHICH COMPRISES A ROTATABLY MOUNTED DRUM HAVING A WORK PERFORMING DIRECTION OF MOVEMENT, A PLURALITY OF SPACED CHIP FORMING TOOLS MOUNTED ON SAID DRUM, EACH SAID CHIP FORMING TOOL COMPRISING A BODY PORTION HAING A FORWARD END, A REARWARD END, SIDES JOINING SAID FORWARD AND REARWARD ENDS AND LYING BETWEEN UPPER AND LOWER PLANES, A TOP FACE DISPOSED IN SAID UPPER PLANE, AND A BOTTOM FACE DISPOSED IN SAID LOWER PLANE, AND AT LEAST ONE WING PORTION EXTENDING LATERALLY OUTWARDLY FROM ONE OF SAID SIDES ADJACENT SAID FORWARD END AND HAVING A SIDE EDGE DISPOSED IN A PLANE PARALLEL TO AND SPACED OUTWARDLY FROM SAID LOWER PLANE, SAID BODY PORTION HAVING A CUTTING EDGE DISPOSED IN SAID LOWER PLANE ON SAID FORWARD END EXTENDING TRANSVERSELY OF SAID DIRECTION OF MOVEMENT AND SPACED RADIALLY OUTWARDLY FROM THE SURFACE OF SAID DRUM FOR WORK ENGAGEMENT, SAID WING PORTION HAVING A CUTTING EDGE EXTENDING ANGULARLY FROM SAID BODY PORTION CUTTING EDGE TO SAID SIDE EDGE PLANE, SAID ANGULAR CUTTING EDGE EXTENDING RADIALLY OUTWARDLY FROM THE SURFACE OF SAID DRUM FOR WORK ENGAGEMENT, AND A KNIFE MEMBER MOUNTED ON SAID DRUM AND HAVING A CUTTING EDGE IN TRAILING RELATION TO SAID CHIP FORMING TOOL CUTTING EDGES AND SPANNING EACH OF THE SPACES BETWEEN SAID CHIP FORMING TOOLS, SAID RUM HAVING A SERIES OF CHIP-RECEIVING PASSAGES EXTENDING THERETHROUGH AND EACH HAVING A MOUTH DISPOSED ON THE SURFACE OF SAID DRUM IMMEDIATELY IN ADVANCE OF SAID CHIP FORMING TOOL CUTTING EDGES IN SAID DIRECTION OF MOVEMENT AND SAID DRUM HAVING A SECOND SERIES OF CHIP-RECEIVING PASSAGES EXTENDING THERETHROUGH AND EACH HAVING A MOUTH DISPOSED ON THE SURFACE OF SAID DRUM IMMEDIATELY IN ADVANCE OF SAID SLABBING KNIFE CUTTING EDGE IN SAID DIRECTION OF MOVEMENT.