| 摘要 |
<p>The extensible and adjustable shelving consists of tubular uprights (10) and shelf supports (11,12). These are tubular elements whose inner diameter corresponds to the outer diameter of the uprights, so that they can slide on these. The shelves (13) have holes (18) which the uprights pass through and their spacing depends on the separation of the uprights. All the supports have the same length except for those (12) which support the bottom shelves (T). These have spacing rings (16) whose height is equal to the thickness of a shelf.</p> |
