| 摘要 |
This actuator is provided with: an expansion/contraction body; a tank; a first opening/closing valve provided to a first passage connecting a rod-side chamber and a piston-side chamber; a second opening/closing valve provided to a second passage connecting the piston-side chamber and the tank; a pump for supplying a fluid to the rod-side chamber; a motor for driving the pump; a discharge passage which connects the rod-side chamber to the tank; and a valve element provided to the discharge passage. An expansion/contraction unit is integrally formed including the expansion/contraction body, the first opening/closing valve, and the second opening/closing valve. A drive unit is integrally formed including the pump and the motor. The expansion/contraction unit and the drive unit are configured as separate bodies. |
