Apparatus for the layout of elipses, applicable in drawing and in the industry for layout on plate and similar (Machine-translation by Google Translate, not legally binding)

摘要

Apparatus for drawing ellipses, applicable in drawing and in the industry for tracing on sheet metal and the like, characterized in that it is constituted by a main axis or spike with its corresponding spines in order to avoid that once nailed it moves, going east shaft on its upper part coupled in a guide support with channel along its entire length, and at the midpoint configured by a quadrangular widening, where the upper part introduces an angular bar (90º) consisting of the inserted end of a head of turn that is endowed with an annular recess where a prisoner that is mounted on the quadrangular element will be introduced with which, although it allows the play of the angular bar, it avoids the same getting out, and finally it is mentioned that said head denotes by its upper part a channel or recess so as to allow the ellipsograph guide to run. (Machine-translation by Google Translate, not legally binding)