| 摘要 |
<p>The system has a metal rotatable support element (1) provided with a support tube (10), which comprises a drilling and tapping part (10a). The support element and the support tube are formed as a single-piece component and fixed together on a support assembly. A hinge carrier part (2) is attachable to the support tube. The hinge carrier part and a hinge (20) are adjustable along direction of the support element. Another metal rotatable support element (3) is laterally mounted with the former support element on the support assembly by fixing the support elements adjacent to each other.</p> |
