Hinge for scissor stairs and other applications. (Machine-translation by Google Translate, not legally binding)

摘要

Hinge for stepladders and other applications provided with two blades variable length hingedly mounted to each other and provided with rods which limit opening, characterized in that the two articulated blades and at equidistant points from each other throughout the length of the blades themselves, screws are arranged mounted, whose heads applied on the blades or on the guide rods which limit opening, is integrally fixed by means of riveting, welding or any other means, resulting outgoing the threaded parts of the screws, by the plane of the applicable hinge on the stepladder, within practiced through holes, which determination is made by nuts and safety devices. (Machine-translation by Google Translate, not legally binding)