A - Human Necessities – 01 – G
Patent
A - Human Necessities
01
G
144/25
A01G 23/08 (2006.01) A01G 23/085 (2006.01)
Patent
CA 1046908
APPLICATION OF: J. Gerald Smith FOR: IMPROVED METHOD AND APPARATUS FOR HARVESTING SHEARED TREES A B S T R A C T OF THE DISCLOSURE An improved apparatus for processing sheared trees is provided, as well as the harvesting apparatus for use therein. The harvester is of the type having a gripping means disposed adjacent the forward end of the apparatus and a shear and delimber longitudinally movable relative to the boom. The hear and delimber are initially positioned adjacent each other and during the first rearward delimbing stroke, the de- limber moves rearward relative to the shear. At the end of the delimbing stroke, the shear is activated to sever a first bolt, then a greater pressure is applied to the delimber blades so that they are able to grip the remaining trunk for the return stroke, during which the delimber moves forward relative to the shear. Thus, at the end of the return stroke the delimber and shear have returned to their initial posi- tions and the delimbed portion of the remaining trunk extends a sufficient distance forwardly of the shear to be clamped by the gripping means. The pressure on the delimbing blades is reduced to the regular delimbing pressure, and the harvester - i - is then in a position to perform a second delimbing stroke, followed by a second return stroke, and if necessary, a third set of strokes. Thus, it is possible with the method and harvester provided herein to quickly and efficiently delimb a tree trunk of any length with only one shear and delimber assembly. - ii -
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