摘要 |
PROBLEM TO BE SOLVED: To provide an actuator which can move in two directions of an axial direction and a rotative direction, being capable of stable displacement in the rotative direction. SOLUTION: In the actuator where a moving member having a shaft is supported by a case having a stator so that it can perform movement in the axial direction of the shaft and the rotative direction around the shaft and the moving member moves in the axial direction and the rotative direction, receiving power by the stator, either the moving member or the stator is provided with a projection, and the other is provided with a groove which controls the motion of the moving member by engaging with the projection. COPYRIGHT: (C)2004,JPO
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