Method and apparatus to fell a tree

Details Method and apparatus to fell a tree Method and apparatus to fell a tree

1989-10-16

1990-05-01

Bray, W. Donald

Woodworking

Process

Timber harvesting or processing

83544, 83835, 83860, 83928, 144 3D, 144 34R, 144251R, A01G 2308

Patent

active

049210246

ABSTRACT:
A method and apparatus to fell a tree is disclosed. A vehicle mountable felling head includes a circular saw mounted to the felling head. A guard overlays the circular saw as a safety measure. The guard has a first portion which is fixed. The fixed portion of the guard has an opening exposing a first arcuate portion of the saw. The guard also has a second, movable portion which overlays a second arcuate portion of the circular saw. The second portion of the guard may be raised to expose a second arcuate portion of the circular saw to cut a slot in one side of a tree with the cut being completed by the first arcuate portion thereby allowing a tree greater in diameter than the radius of the circular saw to be severed.

REFERENCES:
patent: Re29235 (1977-05-01), Kurelek
patent: 3238981 (1966-03-01), Larson et al.
patent: 3363929 (1968-01-01), Nelson
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patent: 3631995 (1972-01-01), Jones et al.
patent: 3749143 (1973-07-01), Hamilton
patent: 3795264 (1974-03-01), Coughran, Jr.
patent: 3805860 (1974-04-01), Smith
patent: 3911981 (1975-10-01), Tucek
patent: 4270586 (1981-06-01), Hyde et al.
patent: 4446897 (1984-05-01), Kurelek

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