Device for controlling and driving a vehicle cleaning mean with alternate side to side evolution

摘要

The device has an endless screw (7) cooperating with a threaded nut integrated to a carriage (6) of a blade. The screw has a permanent magnet (12) placed opposite to a Hall effect sensor (13) that delivers a signal to a control assembly (14) at each turn of the screw. The assembly has a meter to measure the number of turns to provide a distance of movement of the carriage towards an initial position related to a reference position.