Apparatus and method for debranching felled trees

Details Apparatus and method for debranching felled trees Apparatus and method for debranching felled trees

1980-09-18

1982-09-21

Bray, W. D.

Woodworking

Special-work machine

144343, A01G 2302

Patent

active

043501893

ABSTRACT:
The disclosure herein describes an extendable and retractable longitudinal boom mounted on a vehicle supported boom processing member and equipped with first gripping and debranching elements mounted at one end thereof to grasp a felled tree and to remove branches therefrom; second tree gripping elements mounted to the boom processing member for grasping the tree trunk adjacent its butt end after the tree has been grasped by the first tree gripping elements and the boom retracted in the member to bring the butt end to the second tree gripping elements; means are provided to pivot the second tree gripping elements laterally at an angle with respect to the longitudinal axis of the boom so as to move the butt end away from the member and to allow rearward retracting of the tree trunk as the boom is retracted; this arrangement enables debranching of the tree over an additional length.

REFERENCES:
patent: 3620272 (1971-11-01), Eriksson
patent: 3635266 (1972-01-01), Eriksson
patent: 3987826 (1976-10-01), McKenzie
patent: 4276918 (1981-07-01), Siqouin

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