| 摘要 |
<p>The tabletop (2) is provided with semicircular recesses for the insertion of the upper ends of the legs (3.1, 3.2, 3.3, 3.4) and surrounded by a hollow profile (4.1, 4.2, 4.3, 4.4). Each of the legs (3.1, 3.2, 3.3, 3.4) is equipped with a spindle (7.1, 7.2, 7.3, 7.4) accommodated inside and a hexagonal opening (8.1, 8.2, 8.3, 8.4) at the top. The spindles (7.1, 7.2, 7.3, 7.4) are interconnected with an endless serrated belt (9.1, 9.2, 9.3, 9.4). When one of the legs (3.1, 3.2, 3.3, 3.4) is turned all spindles (7.1, 7.2, 7.3, 7.4) are simultaneously rotated in order to lift or lower the tabletop (2).</p> |
