| 摘要 |
A linear actuator according to the present invention includes a case with a preset space inside; a permanent magnet which is mounted on the case; a coil which is arranged outside the permanent magnet and generates a magnetic field when power is applied; a printed circuit board which supplies the power to the coil; a support member which is fixed to the outside of the coil; a plurality of weights which is fixed to both sides of the support member; a spring which is fixed to the support member through one side thereof, is connected to the case through the other side thereof, includes an inner fixing unit in the center, and is integrated with a plurality of operation units with elasticity to face each other based on the inner fixing unit; and a damping member which is mounted on a top case or a bottom case. |
