| 摘要 |
<p>The actuator device (100), comprises an articulated quadrilateral mechanism (101) and a motor member (120), having a variable length to deform the articulated quadrilateral (101); the motor member (120) comprises a threaded drive shaft or screw (122) in engagement with a nut (10). According to the invention, the actuator comprises friction control means (40) between the screw (122) and the nut (10), to impede spontaneous accidental movements between them. <IMAGE></p> |
