Tree harvester guide bar

Details Tree harvester guide bar Tree harvester guide bar

B - Operations, Transporting

27

B

B27B 17/02 (2006.01) B27B 17/12 (2006.01)

Patent

CA 2047927

ABSTRACT OF THE INVENTION A guide bar for a saw chain mounted to the boom of a tree harvester. As typical for such guide bars, oilhole holes are provided to receive oil for channeling of the oil to the edge grooves wherein the saw chain is entrained. Not typical of such guide bars is the provision of a pattern of inter-connecting oil channels in the bar for channeling oil to various positions on the bar edge including the bar edges adjacent each oil hole and at the bar nose. C-shaped valves in the oil holes are manually adjusted to control the flow of oil to the various positions.

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