Method and apparatus for pruning cordon-trained grape vines

Details Method and apparatus for pruning cordon-trained grape vines Method and apparatus for pruning cordon-trained grape vines

1979-04-23

1985-10-01

Hirsch, Paul J.

Harvesters

Cutting

Hedge or plant-row trimmers

56330, 56DIG2, A01D 5518

Patent

active

045437750

ABSTRACT:
Cordon-trained grape vines are pruned by positioning circular saw blades to form a cutting path of predetermined size and shape above and on both sides of the horizontal trellis wire on which the cordons are trained and by translating the cutting path along the trellis wire while maintaining the size and shape of the cutting path substantially constant, while maintaining the sides of the cutting path centered on the cordons and maintaining the upper part of the cutting path at a desired height above the cordons.

REFERENCES:
patent: 53033 (1866-03-01), Oliner
patent: 112300 (1871-02-01), Van Nosdall
patent: 2798354 (1957-07-01), O'Brien et al.
patent: 2926480 (1960-03-01), Kimball
patent: 3115739 (1963-12-01), Thoen et al.
patent: 3138911 (1964-06-01), Pounds
patent: 3245211 (1966-04-01), Weygandt et al.
patent: 3665685 (1972-05-01), Allard
patent: 3667200 (1972-06-01), Pool et al.
patent: 3913304 (1975-10-01), Jodoin

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