A ball contact for bells and automatic switch for furniture-bar and similar applications (Machine-translation by Google Translate, not legally binding)

摘要

An automatic circuit breaker of electrical circuits, bells and analogous applications, essentially characterized by the fact that a ball that protrudes somewhat from the faceplate of the switch is applied on its rear part against a bridge that receives the action of a spring that ensures the application of the bridge itself, on both sides of the aforementioned ball, against fixed contacts in communication with the terminals on which the terminals of the corresponding conductors are fixed, so that given the form of location of the switch itself when closing the door of the furniture in which it appears, said ball is pushed compressing the spring and causing the aforementioned movable bridge to be separated from the fixed contacts mentioned so that the circuit in which the switch is interleaved is interrupted and thus the lamps or unemployed are switched off the electrical devices that appear in the circuit itself, and upon opening the said door the spring reacts giving lu To advance the ball with the bridge that is applied against the fixed contacts closing the circuit and turning on the corresponding lamps or operating the devices in question. (Machine-translation by Google Translate, not legally binding)