Woodworking – Special-work machine – Combined
Patent
1988-03-01
1989-04-25
Bray, W. Donald
Woodworking
Special-work machine
Combined
144 2Z, 144335, 144338, A01G 2308
Patent
active
048238490
ABSTRACT:
A wood processor for felling, delimbing and cutting tree-trunks includes a system of arms containing at least two beams (10, 12) mutually movable in the longitudinal direction, one in the other. The wood processor also includes a unit composed of a delimbing head (13) and a felling head (14) attached to one end of the arm system. At its other end, the arm system is attached to a vehicle, for example a wood tractor, and is arranged substantially horizontally. The whole unit (13, 14) is pivotable about a turning point (25) at one end of the arm system. The delimbing head (13) is attached to the inner beam of the beams (12) in the arm system and the felling head (14) is attached to the outer beam of the beams (10) in the arm system, so that the delimbing head (13) is movably arranged in the longitudinal direction of the beams (10, 12) in relation to the felling head (14).
REFERENCES:
patent: 3618647 (1971-11-01), Stuart
patent: 3620272 (1971-11-01), Eriksson
patent: 4569379 (1986-02-01), Gemmell-Murdoch
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