Chain saw with wedge-shaped, chain-protecting chain support

B - Operations – Transporting – 27 – B

Patent

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Details

143/8

B27B 17/00 (2006.01) A01G 23/091 (2006.01) B27B 17/02 (2006.01) B27B 17/12 (2006.01)

Patent

CA 1172138

ABSTRACT OF THE DISCLOSURE A chain saw mountable on a powered vehicle having a chain support including a chain bar with a loop-defining chain run including an exposed cutting run portion and an opposed non-cutting run portion. The chain support has a generally planar lower surface extending between the cutting and non-cutting run portions which defines a lower tree- cutting surface along which the lower support surface travels during cutting. The non-cutting run portion of the chain loop is disposed coincident with or above this lower surface. The upper surface of the support covers the non-cutting run portion and has a general wedge-shape tapering toward the cutting run portion.

434437

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