A child play. (Machine-translation by Google Translate, not legally binding)

摘要

A children's game, characterized by being constituted by two determinative coupling parts of a box, inside which a body is arranged as a counterweight, each of the pieces being provided with identical expansions, which superiorly originate an axis in which a pulley is found, capable of rotating around it and leaving the pulley located between both expansions, supporting these, between the pulley and the box, an angular profile in u arranged parallel to the axis of the pulley. (Machine-translation by Google Translate, not legally binding)