| 摘要 |
<p>An actuator assembly (14) includes a rotatable first shaft (22), a second shaft (26), and a ball screw mechanism (24). The second shaft (26) is telescopically received in and extensible relative to the first shaft (22). The second shaft (26) is rotatable with the first shaft (22) and is connected to and drives the ball screw mechanism (24).</p> |
