Performances introduced in the quick action gates (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in the fast acting gates characterized by the fact of comprising the gate a gate body constituted by two parts joined together by screws with intercalation of spiral springs that press the flat and juxtaposed sides of said parts on the faces of a tongue prismatic capable of sliding between the mentioned parts even being guided laterally by smooth shanks comprising said screws being provided with the tongue of a hole that in one of the extreme positions of the tongue is completely discovered by coinciding with holes of said body parts of gate and completely covered if said tab is in its other extreme position. (Machine-translation by Google Translate, not legally binding)