Tree harvester

Details Tree harvester Tree harvester

2000-05-25

2002-02-05

Bray, W Donald (Department: 3725)

Woodworking

Special-work machine

Tree felling

C144S004100, C144S339000

Reexamination Certificate

active

06343633

ABSTRACT:

FIELD OF THE INVENTION
The invention relates to a tree harvester comprising means for cutting, leveling means and means for rotating the tree harvester.
SUMMARY OF THE INVENTION
The object of the invention is to provide a tree harvester which increases the operational ability in wood clearing, intermediate cutting and harvesting of energy forests, and which enhances the tool effectiveness and operating economy.
This object is met by providing a cutting means for tree cutting; by providing a means for rapidly detecting and adjusting the angle of inclination with respect to the ground on sloping ground surfaces; and by providing a means for rapid and accurate rotation and positioning of the tool in tree cutting operations.


REFERENCES:
patent: 3421558 (1969-01-01), Thompson
patent: 3667515 (1972-06-01), Corey
patent: 4108224 (1978-08-01), Wirt
patent: 4313479 (1982-02-01), Coughron, Jr.
patent: 5377730 (1995-01-01), Hamilton
patent: 5595225 (1997-01-01), Gilbert et al.
patent: 0 041 901 (1981-12-01), None
patent: 8-152321 (1996-06-01), None

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