DRIVING MECHANISM FOR STORAGE TYPE DOOR MIRROR

摘要

PURPOSE:To suppress an increase of the installation space small when a reduction gear means is provided to increase the driving torque in a driving mechanism using a ultrasonic motor. CONSTITUTION:The stator 9a of a ultrasonic motor 9 is rotation-restricted and connected to the boss 5a of a bracket, and it is fixed to the inner ring 7b of a ball bearing 7 on the rotor 9b side. Balls 7a of the bearing 7 are rotatably position-fixed to a base plate 4 of the stay side, and an outer ring 7c is fixed to the boss 5a.