Window winder motor reducer drive for motor vehicles

摘要

Motor reduction gear drive (1) consists of a rotor (5) provided with an armature (6) a gear housing (14) containing the worm drive (9) and toothed driven gear wheel (11). A pre-compressive force (F) is provided between the end (6a) of the shaft and the wall of the housing (13) by a plug (15) lodged in the end (13) of the housing (14) and a piston (18) wedged between the plug and the end of the shaft. The piston is blocked in position by the fusion of the plastic housing into the grooves (19) on the periphery of the piston by ultrasound welding