B - Operations – Transporting – 27 – G
Patent
B - Operations, Transporting
27
G
29/31, 144/85
B27G 13/04 (2006.01) B27L 11/00 (2006.01) B27L 11/02 (2006.01)
Patent
CA 1066038
ABSTRACT OF THE DISCLOSURE A chipper comprises a rotor with a plurality of knives adapted to slab off the side of a log so that the first saw cut following the chipper removes a usable board. In order to make usable pulp chips, the chipper knives are of bent configuration each having a grain cutting portion which cuts across the grain and a planing portion which cuts parallel with the grain to leave a smooth board surface on the log as it is moved lengthwise past the chipper in a saw carriage. Each knife is clamped rigidly in working position by a cambered clamp plate which is pivoted into clamped position in a manner causing it to flatten against substantially the whole area of the knife. A backing bar and wedge assembly provides fine adjustment for the knife.
292414
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