ES158793U - Mobile trailer scalimeter. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Movable arm scaler which in principle is constituted from a conventional flat rule, which, if necessary, is available in one of its ends of holes or any other type of elements intended for coupling in a technºgrafo, characterized because the aforementioned rule, longitudinally, have been marked or recorded a number of graphical scales more or less usual, according to convenience, whose numerical representation is indicated at the beginning of them, being equipped, said rule, of two guides that form tail of kite equidistant and parallel to the longitudinal edges of the rule, on these guides slides a cursor properly subject to them, which is divided by its axis of transversal symmetry in two areas, one of them opaque in which they have also been marked the corresponding numbering of the scales in order to achieve greater comfort in the search of these scales when working with measures to far from the beginning of these, the other area is transparent and can be equipped with optical magnification for greater visual perception, having arranged in this area a thin line or transversal line, which is projected perpendicularly on the graphic scales and whose purpose is to facilitate measurements in the scale of work chosen and the transfer of the same to the edges or longitudinal edges of the rule, and from there to paper, being able to use the scale as a simple rule of drawing. (Machine-translation by Google Translate, not legally binding)