| 摘要 |
PURPOSE: An ultrasonic motor for driving a camera lens is provided to reduce noises and dust by transmitting the rotation force of a rotor to a rotating member using a rotation guide unit. CONSTITUTION: A transmitting unit(50) transmits the rotation force of a rotor to a barrel part of a camera lens. An elastic member(60) elastically supports the stator to closely adhere the rotor to the stator. A flange is formed on the upper side of a cylindrical body(13). The elastic member, a piezoelectric device, a stator, a rotor, and the transmitting unit are successively laminated between a base and the flange of the body. A rotating member(51) is engaged with the rotor and rotates when the rotor rotates. A rotation guide unit(53) guides the rotating member to smoothly rotate when the rotor rotates. |
