Machine to practice rozas (Machine-translation by Google Translate, not legally binding)

摘要

Machine to practice chafing on the walls, characterized in that it is constituted by a cylindrical body, integral with a plate intended to be supported on the wall, by means of rollers that are arranged for this purpose, whose body carries the handle on its other side and houses an electric motor, which, by means of reduction gears, drives a rotary shaft, mounted on ball bearings in an extension of said cylindrical body, at the end of whose axis are mounted the tools that perform the work, held by a threaded nut on the end of that shaft. (Machine-translation by Google Translate, not legally binding)