Patent ID: 9705427
Date: 2017-07-11
CPC Classifications: B06B,G02B,H02N

Claim:
1. A driving motor, comprising: a member including a contact surface; a vibrator including a contact part that is brought into contact with the contact surface, wherein the vibrator and the member move relatively by a vibration of the vibrator; a pressing unit comprising an elastic member so as to apply a pressing force on the contact part against the member including the contact surface; and a contact member configured to be located between the pressing unit and the vibrator, wherein the contact member has a curved surface portion formed as an arc shape curved toward the pressing unit, and the contact member comes into contact with the pressing unit at the curved surface portion, and the curved surface portion is formed so as to locate a position of a center of a circle including the arc shape of the curved surface portion not closer to the contact member than to the contact part.