| 摘要 |
<p>The anchor consists of an elongated body (5) such as a rod, screw, bolt or dowel, fixed in a wall (1) or other support. On the outside of the wall it has a head (4) engaging with a recess (10) in a spacer bush (9) shaped to receive an inverted U-shaped coupling member (12) on the safety fitment. The spacer bush is made, for exmaple, in the shape of a rolelr with a peripheral groove to receive the coupling.</p> |
