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Gripping Jigs, Holding Jigs, And Positioning Jigs
(AREA)
Abstract
New bench vise, characterized in that it consists of a square base piece with through holes for its attachment to the bench and that it has two plateaus in the form of concentric circular crowns between which there is an isosceles trapezium section throat with curvilinear non-parallel sides, diverging downwards and having a circular trapezoidal hole to give way to the four screws that complete the base. These screws have a circular trapezium-shaped head that fits exactly to the front throat and that carry the studs upwards to which the support piece is fixed, by means of the corresponding nuts. The center of the second plateau in a circular crown is a circular box on which the support piece rests. (Machine-translation by Google Translate, not legally binding)