A contactor to excit in a succession order a plurality of circuits. (Machine-translation by Google Translate, not legally binding)

摘要

A contactor for exciting in a succession order a plurality of circuits, characterized by comprising a double set of pushbuttons or keys, formed by a conventional number of units, to each of which a mobile contact plate is joined in a laminar and provided way of three window-shaped openings, unequal, corresponding to the one located in the upper position and the greater to the one located in the lower position, resulting in inserting the contact-holding boards of each set, through its intermediate opening, in a longitudinal plate provided of notches, susceptible to being dragged in lateral displacement obeying the pulsation of any one of the keys, being anchored the contact plate of the pressed key, when entering in its upper opening the extremity, shaped like a fingernail, of the corresponding notch of the longitudinal plate. (Machine-translation by Google Translate, not legally binding)