| 摘要 |
<p>The removable ballast weight (20) forming part of the ballast unit (1), includes a positioning component fitted to its upper side. This projects to the side, above the ballast weight. The positioning component includes a guide working with a complementary guide arranged on the upper side of a first body, near which the ballast weight is arranged, when installed. The positioning component has an arm running part-way along the upper side of the ballast weight, with the guide component at its free end.</p> |
