ES289550U - Opening device for emergency exit doors (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Opening device for emergency exit doors, of the type that open to the outside and those that incorporate a crossbar on its internal face, established at an appropriate height, so that a pressure on it against the door itself, voluntary or involuntary, determines the actuation of the closing mechanisms, in an opening direction essentially characterized by being constituted by two bodies or housings, fixed to the internal face of the door in correspondence with the ends of said crossbar provided each of them from a slot discharged through which emerges a lever associated through a bushing to the corresponding end of the bar, lever mounted in the bosom of the casing with a tilting character, through an axis of articulation and against the tension of a spring, having provided that the inner end of said lever adopts a forked configuration and, at less in one of these two bodies, it is related to a vertical rack, through a transverse pivot secured to it, a rack that, suitably guided in the body, meshes with a pinion and, through it, with a second pinion. Vertical rack and opposite to the previous one, it being provided that the intermediate pinion incorporates an axial bore, of polygonal section, for coupling the driving square of a conventional lock associated laterally with the edge of the door opposite that of hinges. (Machine-translation by Google Translate, not legally binding)