Curved pruner blades

Details Curved pruner blades Curved pruner blades

1990-05-11

1992-02-11

Bray, W. Donald

Woodworking

Special-work machine

144 3D, 144343, A01G 2308, B27L 100

Patent

active

050868195

ABSTRACT:
An improved blade element for a mechanized tree pruner has an upwardly extending blade face which has a concave curvilinear cross section designed so as to provide a closer cut when the mechanized tree pruner is forced upwardly and the pruning knives forced through the individual limbs.

REFERENCES:
patent: 3542099 (1970-11-01), Gibson
patent: 3939886 (1976-02-01), Tucek
patent: 3967663 (1976-07-01), Loigerot
patent: 3981336 (1976-09-01), Levesque

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