Woodworking – Special-work machine – Tree felling
Patent
1982-09-29
1985-02-26
Bray, W. D.
Woodworking
Special-work machine
Tree felling
30381, 83785, 83830, 144343, 144336, 144 2Z, A01G 2308
Patent
active
045013101
ABSTRACT:
A cutting apparatus designed to produce an oscillating force which is transmitted to a cutting element, said cutting element having a plurality of cutting teeth disposed at intervals in a complete circle around the periphery of the cutting element. The direction of cutting of the cutting teeth of said cutting element is alternated in opposite directions so that when to the cutting element is applied an oscillatory force, half of the cutting teeth will cut in one direction and the other half in the opposite direction. Thus the cutting apparatus disclosed herein is designed to work with any oscillating flexible cutting element of the type described above.
REFERENCES:
patent: 1537953 (1925-05-01), Lucich
patent: 2037121 (1936-04-01), Dean
patent: 3604479 (1971-09-01), Jordan
patent: 4258763 (1981-03-01), Figueredo et al.
patent: 4273169 (1981-06-01), Baenen
Figueredo Fernando F.
Framil Armando
Pacheco Benjamin G.
Valdes Guillermo A.
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