Woodworking – Special-work machine – Tree felling
Reexamination Certificate
2008-01-29
2008-01-29
Self, Shelley M. (Department: 3725)
Woodworking
Special-work machine
Tree felling
C144S024120
Reexamination Certificate
active
11047806
ABSTRACT:
A tree removal attachment is provided which can be easily affixed to construction equipment such as a small loader or skidster. The tree removal attachment has at least one moveable blade which is powered preferably by the hydraulic system of the loader for use in tree removal. The tree removal attachment replaces a bucket or other loader equipment and can be operated in relatively small, confined areas. The method of use prevents the necessity of backfilling a large hole as usually formed by bulldozers as they extract the roots attached to a tree trunk during removal from the ground. The tree removal attachment can be adapted to work on various heavy equipment such as skidsters, bobcats, track-hoes, excavators, back-hoes, bulldozers, tractors, truck loaders, forklifts, cranes and other heavy equipment.
REFERENCES:
patent: 2865116 (1958-12-01), Messer
patent: 3822730 (1974-07-01), Hultdin et al.
patent: 4273169 (1981-06-01), Baenen
patent: 4802517 (1989-02-01), Laster
patent: 4913203 (1990-04-01), Lessard
patent: 6202719 (2001-03-01), Ketonen
patent: 6374877 (2002-04-01), Wildey
patent: 6662836 (2003-12-01), Andersen
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