Brush chipping machine

Claim 1

IN A BRUSH CHIPPER MACHINE; HOUSING MEANS; REVOLVABLE CYLINDER MEANS THEREIN; A MATERIAL FEEDING SURFACE FOR SAID HOUSING MEANS LEADING IN TOWARD SAID CYLINDER MEANS, SAID MATERIAL FEEDING SURFACE INCLUDING THROAT BAR MEANS WITH A LEADING EDGE ADJACENT THE PATH OF SAID CYLINDER MEANS; ACTUATING MEANS HAVING A TAPERED SURFACE ENGAGEABLE WITH A COOPERATIVE SURFACE ON SAID THROAT BAR MEANS FOR MOVING SAID THROAT BAR MEANS TOWARD SAID CYLINDER MEANS; SAID CYLINDER MEANS HAVING A PLURALITY OF OPENINGS THEREIN AT SPACED INTERVALS AROUND THE PERIPHERY THEREOF; A CHIPPING KNIFE RECEIVED IN EACH OPENING AND EXTENDING A PREDETERMINED DISTANCE PERIPHERALLY BEYOND THE CYLINDER MEANS; AND ANCHOR MEANS RECEIVED IN EACH OPENING AND BEARING AGAINST EACH KNIFE TO HOLD IT IN POSITION.