| 摘要 |
The invention relates to an ultrasonic motor having a bracket, a plate-shaped ultrasonic actuator arranged in the bracket, said ultrasonic actuator having two opposing main surfaces and at least four side surfaces connecting the main surfaces to one another, and an element to be driven, wherein the ultrasonic actuator is pressed against the element to be driven, and the bracket comprises a first frame that supports the ultrasonic actuator and a second frame in which the first frame is supported and guided by bearing elements, and the bearing elements are pressed elastically against the first frame by the second frame. According to the invention, the first frame is pressed against the main surfaces of the ultrasonic actuator via the bearing elements, thus preventing or reducing movements of the ultrasonic actuator in a direction vertical to the main surfaces. |
