Woodworking – Special-work machine – Tree felling
Patent
1977-01-24
1978-08-15
Simpson, Othell M.
Woodworking
Special-work machine
Tree felling
83672, 144 34E, A01G 2308
Patent
active
041065379
ABSTRACT:
A device for cutting or felling trees comprises a rotating blade of uniformly increasing width in the shape of a partial, truncated cone mounted on the edge of a base disk. The blade does not extend completely around the base disk. Cutting is performed by attacking the tree at an angle and rotating the blade in the direction of increasing width.
REFERENCES:
patent: 3626477 (1971-12-01), Fulghum, Jr.
patent: 3626477 (1971-12-01), Fulghum, Jr.
patent: 3969966 (1976-07-01), Dillon
patent: 3969966 (1976-07-01), Dillon
Bray W. D.
Rauma-Repola Oy
Simpson Othell M.
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