Tree and stump extraction

Details Tree and stump extraction Tree and stump extraction

1974-09-09

1976-05-25

Smith, Al Lawrence

Woodworking

Special-work machine

254132, 37 2R, 144 34A, A01G 2306

Patent

active

039586138

ABSTRACT:
A method and apparatus are provided for recovering stump and root systems in timber harvesting by exerting a vertical lifting force combined with simultaneously vibrating the trunk of a tree or stump being harvested.

REFERENCES:
patent: 2735255 (1956-02-01), Harper et al.
patent: 3110477 (1963-11-01), Campbell
patent: 3433311 (1969-03-01), LeBelle
patent: 3774659 (1973-11-01), Bodine

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