| 摘要 |
1. Space frame formed from tubular struts (1) which have ends (2) for connection with hollow spherical node members (3), said node members (3) having bores (4, 5) therein to receive screw connectors (6) between the ends of the tubular struts and the node member so that the screw connectors project into the interior (7) of the node member, the node members having closeable assembly apertures (8, 9) through which the screw connectors in the interior are accessible for assembly purposes, characterised in that the node member is provided on its external surface with annular cut-out portions (13) in which are directly engaged the ends (2) of the tubular struts (1), which lead upto the node member (3) with no reduction in their cross section. |
