B - Operations – Transporting – 27 – M
Patent
B - Operations, Transporting
27
M
144/37
B27M 1/04 (2006.01) B27M 1/00 (2006.01)
Patent
CA 1230803
ABSTRACT OF THE DISCLOSURE A lumber incisor comprising a rotatable drum. A plurality of annular incisor rings are mounted on the drum to turn with the drum. Teeth on the periphery of each incisor ring, extend outwardly from a tooth base on the periphery of the incisor rings. An annular spacer ring is positioned between each pair of neighboring incisor rings. An annular cleaning ring surrounds each spacer ring and is freely movable between the neigh- boring incisor rings. Each of the above annular rings has an inner radius, an outer radius and a ring width equal to the outer radius less the inner radius. The separator rings are of an outer radius less than the outer radius of the incisor rings. The outside diameter of each cleaner ring is at least equal to the incisor ring outside diameter plus a height of one tooth. -11-
512839
Fetherstonhaugh & Co.
Silcox Ronald W.
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