| 摘要 |
<p>The invention relates to a loading and unloading bridge for manipulating products, such as fruits which can resist only for a very short time temperature fluctuations and which has to be transported from a ship to a shed, equipped with a beam for moving crabs, characterized in that said beam (2) is provided with a loop-shaped track (12) for said crabs (11) in such a manner that moving a crab (11) to and fro on one and the same section of said track is avoided and that several crabs (11) can be moved along said loop-shaped track (12).</p> |
