Tree and stump extractor

Details Tree and stump extractor Tree and stump extractor

1996-02-21

1997-09-30

Bray, W. Donald

Woodworking

Special-work machine

Tree felling

37302, 144 2412, 144334, A01G 2306, A01G 2308

Patent

active

056717881

ABSTRACT:
A method and apparatus for extracting a tree trunk, stump and main root from the ground while simultaneously severing the lateral roots, where the tree trunk is gripped by gripping members which are raised vertically to pull the stump and main root through generally annular root shearing members encircling the base of the tree trunk. The root shearing members remain stationary during the extraction operation. Preferably scraping members are positioned adjacent to the root shearing members to remove any dirt and debris.

REFERENCES:
patent: 3851686 (1974-12-01), Hultdin et al.
patent: 3989075 (1976-11-01), Coughran, Jr.
patent: 4067369 (1978-01-01), Harmon
patent: 4141398 (1979-02-01), Widegren et al.
patent: 4481989 (1984-11-01), Peters

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