Tree delimber equipped with an articulated boom

Details Tree delimber equipped with an articulated boom Tree delimber equipped with an articulated boom

1987-10-20

1988-09-27

Bray, W. Donald

Woodworking

Special-work machine

414718, 212266, A01G 2302, B27L 100

Patent

active

047734558

ABSTRACT:
An improved boom construction having a base, a first straight boom slidably mounted on the base, and a second, hinged boom pivotally mounted at one end to the base and at its other end to the front end of the first boom. Power jacks are provided for operating the second boom to move its other end toward or away from its one end so as to slide the first boom relative to the base. The improved boom construction is preferably employed on a tree delimber with a tree delimbing unit mounted on the front end of the first boom, and tree gripping unit mounted on the base beneath the first boom. A rotating reel is advantageously provided on the base above the first boom for simultaneously winding and unwinding flexible feed and return hydraulic lines extending over the top of the boom, and connected to the delimbing unit, as the first boom slides.

REFERENCES:
patent: 4276918 (1981-07-01), Sigouin
patent: 4291734 (1981-09-01), Hammond
patent: 4350189 (1982-09-01), Duchesne
patent: 4413661 (1983-11-01), Marchildon
patent: 4428407 (1984-01-01), Bourbeau
patent: 4582104 (1986-04-01), Sigouin

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