Key tensioner to tension the wires specially for the vineyards. (Machine-translation by Google Translate, not legally binding)

摘要

Tensioner of key to tighten the wires, especially for the trellises of the vines, characterized in that the tensioner is constituted by a round steel bar that has the shape of the letter "S" with the part of the center straight and the curved ends, in the opposite direction, having a winding shaft of the wire towards the center of the tensioner, fixed by welding, perpendicular to its length. (Machine-translation by Google Translate, not legally binding)