| 摘要 |
<p>The container has four foldable posts (3, 3`) mounted at corners of a base (2) and associated to an automatic locking device in a raised position. An operating unit (8) liberates simultaneously the device from the posts. A plane carrying structure (6) of a support surface has ends (6`, 6``) connected to the posts in an articulated manner to support the ends and to control descent of the ends towards the base when the posts are folded.</p> |
