| 摘要 |
<p>An edge lift anchor for a concrete product, the anchor having a head portion for coupling to lifting equipment and an anchoring portion, and a separate member mounted on the anchor and having integral legs extending to each side of the anchoring portion to increase the lifting capacity of the anchor. Alternatively or in addition, the separate member may provide a mounting for a tension bar to increase the lifting capacity. The invention also provides a support chair for retaining the edge lift anchor, together with an associated shear bar and tension bar if present.</p> |
