| 摘要 |
<p>The jack includes a positioning device (6) setting final positions (42, 43) of the support leg (10). The positioning device (6) includes a final position (42) securing mechanism (7) used in the resting (inactive or raised) position. It also has a position adjuster (8) for the final location (43), when swung down into the operational position. The securing mechanism (7) and/or the position adjuster (8) are compliant or capable of being moved away.</p> |
