| 摘要 |
A rotation/movement converting actuator, comprising an actuator unit having a mobile body and an actuator body installed so that the mobile body can be linearly moved, the actuator body further comprising a pair of plate-like bases, a rotor, a vibrating body for rotating the rotor, and a cam mechanism for converting the rotational motion of the rotor to the linear motion of the mobile body, wherein the rotor is fixed to a shaft, the rotor (cam rotor) is fixed to the shaft, the outer peripheral surface of the rotor forms the cam surface of the cam mechanism, the roller is fitted to the tip part of the mobile body, and the roller is allowed to abut on the outer peripheral surface (cam surface) of the rotor.
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