| 摘要 |
<p>A stop device comprises a rotatable shaft (12), a travelling nut (24) mounted upon the shaft (12) in such a manner that rotation of the shaft (12) causes the nut (24) to translate along the shaft (12), and a stop member (28) mounted upon the shaft (12) and operable to limit the length of the shaft (12) along which the travelling nut (24) can translate, wherein the stop member (28) is adjustably mounted upon the shaft (12).</p> |
