B - Operations – Transporting – 27 – B
Patent
B - Operations, Transporting
27
B
76/7, 143/74
B27B 33/14 (2006.01)
Patent
CA 1233729
Abstract of the Disclosure An anti-kickback saw chain having a drop-away articulated depth gauge link preceding each cutting or fibre removing link. The depth gauge surface of the depth gauge link is spaced for- wardly of the cutting tooth and the trailing edge thereof is located aft of the pivotal connection with the cutting tooth link when the pivot points of the links are aligned. In one form of the invention, the link sequence utilize a V-shaped cutter tooth link followed by a generally L-shaped raker tooth link, each being preceded by a depth gauge link. In a second form, each sequence includes a half-V side mounted slitter tooth and a transversely inclined raker tooth for removing wedge shaped chips. Each said slitter and raker tooth being provided with a break-away articulated depth gauge link connected therewith. The position of the slitter tooth and the orientation of the next adjacent raker tooth is reversed in each successive link sequence such that the score formed by each slitter is operated on by two succeeding raker teeth. Both the slitter teeth and raker teeth are provided with knife edge cutting surfaces.
468863
Anderson Margaret A.
Frayne & Company Robert
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