Forestry cutting, mulching and clearing tool

Details Forestry cutting, mulching and clearing tool Forestry cutting, mulching and clearing tool

A - Human Necessities

01

G

A01G 23/02 (2006.01) A01G 23/093 (2006.01)

Patent

CA 2251144

A forestry cutting, mulching and clearing attachment for a hydraulic excavator that is used for clearing sloped grounds, ditches, and culverts. The device includes two mating jaws which are substantially rectangular in shape and include a plurality of mating cutting surfaces. The clearing apparatus is designed to cut standing trees and brush using both longitudinally and laterally oriented cutting surfaces. In the preferred embodiment, the first jaw includes a curved blade and a pair of cutting blocks, while the second jaw includes a pair of curved blades and a cutting block. Each jaw has a pair of fixedly attached brackets which are used to pivotally mount the jaws to the boom structure of the hydraulic excavator. The jaws have a mutual pivoting point attached to the central boom of the excavator, and peripheral pivoting points movably attached to the control rams of the hydraulic cylinders. The hydraulic cylinders may be actuated to open and close the jaws in order to cut the debris into mulch. The jaws may be used to gather and remove the resulting mulch from drainage ditches by simply partially closing the jaws using enough force to grasp the mulch but not enough force to further cut the mulch.

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