SCHNELL UMSCHALTENDER UNTERBRECHER

Improvements in abrupt opening and closing interlocks, comprising in a box two fixed contacts and a mobile contact arranged on the end portion of an inverter shaft, the central part of which comprises an opening and having at an end portion a pivot that cooperates with a support fixed, and an edge, opposite the pivot which is subject to the action of a curved elastic sheet applied by compression between the edge and a movable support disposed on the end portion of the first arm of a tilting lever subject to the action of a push button, whose movement allows the alignment of the movable support with the pivot and the edge, characterized in that the tilting lever comprises a second arm whose second end portion disposed in opposition to the first end portion, is disposed near the movable contact and comes to rest under, the inverting member made in the form of a rigid beam, if it has not tilted under the ac of the elastic sheet at the time the alignment is made, and in that the pivot of the lever is disposed substantially at equal distance from the push button and the second end portion. (Machine-translation by Google Translate, not legally binding)