Accumulator felling head

Details Accumulator felling head Accumulator felling head

A - Human Necessities

01

G

144/30

A01G 23/02 (2006.01) A01G 23/081 (2006.01)

Patent

CA 1103130

ABSTRACT A tree felling head having an accumulator for accumulating trees in an area offset from an area wherein the trees are severed by shear means from their stump. A sweep arm is swingably mounted on the felling head for moving the trees in succession as they are cut into the collecting or accumulating area and the trees are received therein and retained in the area by an accumulating arm means. The accumulating arm means is an articulated member consisting of a first arm pivotally attached to the frame and having a second arm or finger member pivotally attached to the free end thereof. A hydraulic cylinder actuates the two pivotally mounted arms of the accumulator, with the finger being actuated by way of a link that is pivotally attached at one end to a lug member freely pivotable on the pin mounting the other arm on the frame. Three separate hydraulic power cylinder units are utilized for respectively moving the shear jaw, the sweep arm and the accumulating arm means. The three cylinders are located vertically one above the other in overlapping relationship in three different horizontal planes, thus minimizing the overall width of the felling head and disposing the hydraulic cylinders in an area where they are protected from possible damage during use of the felling head.

310699

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