Plant husbandry – Plant supports – Linear
Patent
1987-01-05
1988-04-19
Bagwill, Robert E.
Plant husbandry
Plant supports
Linear
A01G 1706
Patent
active
047380519
ABSTRACT:
A trellis for supporting horizontal wires to train grape vines whose canes grow upwardly. The trellis comprises a post which is set in the ground and a pair of tubular metal arms attached at their lower ends to opposite sides of the post, the arms having a bend therein to create above ground a symmetrical goblet-like form in which the portions of the arms above the bends diverge outwardly with respect to the post. The arms are bridged by a rigid cross brace which is attached at its ends to the arms at a point intermediate the bend and the upper end thereof, the brace being secured to the post to rigidify the structure. Bored at corresponding positions in the arms are three sets of holes, one set being adjacent the upper end, the other at about the intermediate point, and the third at about the bend. A series of spaced-apart trellises are set up in a vineyard row and wires are strung through their holes to create an array of horizontal wires at different levels for training the upwardly growing canes of grape vines planted in the spaces between the trellises in the row.
REFERENCES:
patent: 44104 (1864-09-01), Mason
patent: 166766 (1875-08-01), Goodspeed
patent: 3157001 (1964-11-01), Vail
patent: 3337988 (1967-08-01), Burton
patent: 3690033 (1972-09-01), Lewis
patent: 4336667 (1982-06-01), Evans
patent: 4625454 (1986-12-01), Daniell
Bagwill Robert E.
DeMille Danton D.
Ebert Michael
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