Chain saws and chains therefor

Details Chain saws and chains therefor Chain saws and chains therefor

B - Operations, Transporting

27

B

143/9

B27B 17/00 (2006.01)

Patent

CA 1219196

- 1a - A B S T R A C T A chain saw having a bar (51) with a sprocket (50) rotatably mounted in the nose, and a chain with cutter links (52) mounted to travel along the periphery of the bar (51). The driving tongues (54) of the chain and the gullets (50a) between the teeth of the sprocket (50) being shaped so that when they interfit as the chain passes around the nose of the bar, the rear end (6) of each cutter link (52) is raised relative to cutting edge (67) so that said rear end (6) foll- ows a path about the sprocket (50) outwardly of the path travelled by the cutting edge (67).

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