| 摘要 |
<p>The system has two different assemblies, of which one assembly comprises a table top (1) and two cross beams (3) firmly arranged at the table lower side at a distance from each other. Another assembly comprises a table-leg (2) with two locking and strutting devices (11). One of the locking and strutting devices intervenes the latter assembly in one of the cross beams of the former assembly, and works according to the toggle principle.</p> |
