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US 6,145,246 AGranted
Keyed vineyard cross-arm
OwnerJohn M. Galbraithinventor
Life of this patent
Estimating the term…
Abstract
A grapevine trellis system utilizing substantially L-shaped wire supporting bracket arms constructed to be universally mounted on solid T-bar posts or metal roll formed T-shaped posts incorporating vertical slots designed to eliminate unwanted flexing of the assembly.
Claims1
A trellis wire support system comprising in combination:
- an elongated upright support member terminating in a top end surface;
- a first elongated cross-arm member having not notches at each end for accepting trellis wires and adapted to be secured to the upright support, the cross-arm member formed by two legs creating and L-shape, one leg having an exterior side facing in a direction opposite to the second leg, and an interior side facing in a direction of the second leg, a groove formed in the exterior side of the one leg;
- a second elongated cross-arm member having notches at each end for accepting trellis wires and adapted to be secured to the upright support, the cross arm member formed by two legs creating an L-shape, one leg having an exterior side facing in a direction opposite to the second leg, and an interior side facing in a direction of the second leg, a groove formed in the interior side of the one leg;
- a U-shaped clamp for clamping the cross-arm member to the upright support member;
- wherein when assembled, the groove of the first cross-arm member receives a portion of the upright support member at a location spaced from the top end, the second leg of the first cross-arm member extending away from the upright support member;
- and the groove of the second cross-arm member receives a portion of the upright support member at the top end;
- the second leg of the second cross-arm member resting on the top end surface of the upright support.
4 more elements
Dependencies are inferred from the claim text.