Tree processing machine

Details Tree processing machine Tree processing machine

1998-01-28

1999-06-01

Bray, W. Donald

Woodworking

Special-work machine

Combined

144 341, 144336, 144338, 144 2413, 2851215, 2851213, A01G 2308

Patent

active

059080604

ABSTRACT:
A tree processing machine having a boom, a tree processor head carrying tree processing elements, and a rotator rotatably connecting the tree processing head to the end of the boom. The rotator has a casing, that is non-rotatably mounted from the end of the boom, and a support shaft hat is mounted in the casing for rotation about its longitudinal axis relative to the casing and that supports the processor head at its lower end. Rotating means are provided on the rotator for rotating the support shaft relative to the casing. A first set of hydraulic lines extend from the boom to the casing and a second set of hydraulic lines extend from the support shaft to the processor head. Hydraulic flow paths extend through the rotator between the first and second sets of hydraulic lines.

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patent: 4989652 (1991-02-01), Hansson
patent: 5082036 (1992-01-01), Vierikko
patent: 5129438 (1992-07-01), Hamilton
patent: 5186227 (1993-02-01), Eriksson

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