Improvements introduced in the electrical current investors. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in the inverters of electric current, according to which a fixed contact of oscillating type is constituted, mounted on a plate by means of a fixing and connection screw, whose contact is organized on a frame formed by two substantially homologous plates between which a bolt in which an expansion spring is threaded, provided with means to regulate its pressure and consequently determine the play of said oscillating contact, is tilted. (Machine-translation by Google Translate, not legally binding)