| 摘要 |
<p>A spacial structure comprising equidistantly positioned knuckles, a set of sections, (6) and means (16) for joining either end of said sections to said knuckles, where each knuckle is made up from two hollow base pieces (1) (2) whose outside shape is approximately that of a special shell in which there is a number of equidistantly positioned holes (3) at an angular distance of alpha with respect to one another, and where at least one of said base pieces possesses a perimeter area which is bent inwards, (12) and comprising means of attachment (5) between the first base piece and the second base piece which, upon being joined together and forming the knuckle of the special structure, allow all the equidistantly positioned holes to lie at an angular distance of alpha with respect to one another.</p> |
