| 摘要 |
<p>The lifting ring has a anchor bolt (13) with a sleeve that is assembled by shrinkage or threading onto the bolt. A plate (16) is arranged at one end, and when assembled this plate is distant from the head of the bolt. A fixture (14) is provided for the ring (11). This is adapted so as to fit over the sleeve and hold the ring so that it can move with respect to the bolt, and hold the ring in place by engaging with the plate and the sleeve.</p> |
