摘要 |
<p>Stool has a fixed top (11), lateral uprights (12) and external (22) and internal (21) extensions. There are outer (32) and intermediate (31) bases. Articulations connect internal extensions to stool structure, and articulations connect the external bases. In deployed position, internal extension is housed with its internal end under the top. In stowed position, base articulations allow bases to occupy half the free space under the top.</p> |