B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 11/00 (2006.01) B27B 17/00 (2006.01) B66F 3/08 (2006.01) B66F 13/00 (2006.01)
Patent
CA 2084483
ABSTRACT OF THE DISCLOSURE: A light weight tree jack suitable for use in the woods at a tree felling site to harvest firewood, pulpwood, and the like, with a chain saw is easy to carry and set up by a single person. A bowed first legpiece is coupled at the top to a straight second legpiece comprising a hollow U-shaped pipe with an internally journalled threaded member rotatable with an upper manually operated handle to move a mating threaded rider up and down the pipe. The trees are supported by a chain about the trunk adjustable in height by the jack at a desired position along the trunk with attached branches on its treetop side aiding the jack to support the tree trunk at a comfortable level for using a chain saw without the danger of turning.
Blake Cassels & Graydon Llp
Driver Wilfred D.
LandOfFree
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