Tree processing machine

Details Tree processing machine Tree processing machine

1984-04-13

1986-03-11

Bray, W. D.

Woodworking

Special-work machine

144343, B27L 100

Patent

active

045748551

ABSTRACT:
A machine (1) for processing trees, comprises limbing tools, holding tools and a feed-in crane, where a holding tool and a limbing tool are movable relative to one another. According to the invention, the holding tool (5) and, respectively, limbing tool (4) comprise upward opening grap claws (9,10) or the like. The holding tool (5) and limbing tool (4) are movable to a first end position located close to each other, in which the tools (4,5) are in a position of receiving one tree or a bundle of trees from a separate feed-in crane. The holding tool (5) is movable in the direction from the limbing tool, and vice versa, to a second end position (24,25), during which movement the tree laid-in or the bundle of trees laid-in are intended to be limbed. The machine (1) is provided with two or more unloading arms (31), which are located along a limbing path defined by the movement of the tools (4,5), which arms (31) in a first position (28) where they serve as carrying arms are located below the level of the tools (5) and are pivotal from the first position (28) to a second position (30) where they are located above the level of the tools (5) in order by means of the pivotal movement to lift limbed trees and move them laterally to a stem stack.

REFERENCES:
patent: 3987826 (1976-10-01), McKenzie
patent: 4130151 (1978-12-01), Ericsson
patent: 4382457 (1983-05-01), Hahn
patent: 4416311 (1983-11-01), Gemmell-Murdoch

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