| 摘要 |
<p>The safety cover is for the spike (13) of a beach umbrella and covers it automatically if it is uprooted from the sand and during transport. It consists of a collar (1), held on the pole of the umbrella, and a steel rod (4) which is bent near each end (5,6). The collar has a spring (9) which automatically folds the pole against the pole. The other extremity of the rod is joined to a cap of plastics material (14) which covers the spike of the pole. When the rod is pulled upwards, a stop.</p> |
