| 摘要 |
<p>The bollard has a flexible link (6) e.g. chain, which tangentially connects a visible part (3) to a base (2) which is placed in the ground. The link has a length that is greater than a distance separating two fastening points (7, 8). The points are provided for fastening the link to the visible part and base, respectively. The link is conformed in a spiral manner so as to be positioned in a hollow part of the bollard.</p> |
