The present invention relates to a vibration type actuator or a vibration type driving apparatus that includes a vibration member that generates therein respective vibration displacements in at least three different directions, and a plurality of contact members contacting the vibration member, wherein...http://www.google.com.au/patents/US6380660?utm_source=gb-gplus-sharePatent US6380660 - Vibration type actuator and vibration type driving apparatus
