| 摘要 |
PURPOSE: To provide a movable coil linear actuator where the structure is simplified, the number of parts is reduced, the size is made small, and the cost is reduced. CONSTITUTION: This linear actuator is equipped with a linear guide body 10, which has such 9 structure that a soft magnetic substance 12 is provided between two permanent magnets 11A and 11B opposed in the same pole, and a mobile coil body 20, where a drive coil 22 is wound on the bobbin 21 directly sliding on the periphery of the linear guide body 10, and the mobile coil body 20 shifts rectilinearly by directly sliding on the periphery of the linear guide body 10. |
