| 摘要 |
<p>This invention provides a street bollard adapted for being biased into a chosen ground position and/or radial orientation, which bollard comprises a base, at least one elastic member connectable to said base in at least two locations thereon, and means for securing said elastic member or members to the ground beneath said base, under tension between said securing means and said base, wherein the elastic restoring force produces by undesired displacement or rotation of the bollard is effective to restore the bollard to the chosen position and/or radial orientation.</p> |
