| 摘要 |
<p>1. A device for rocking charges (4), in particular intended to unload containers (2), comprising an elevator system (9) with an apron, located on a strong structure (6), particularly composed of a jack (10) fastened to a frame (11) and an elevator apron (12), characterized by the fact that it comprises retractable means connected with the frame (11) being able to impose a first position upon the frame, in which it takes its clear bearing on the structure (6) in order to use the jack (10), and a second position in which it can longitudinally be moved on the structure (6) in order to adjust the position of the jack (10) to the outline of the container (2).</p> |
