| 摘要 |
<p>The angle joint according to the present invention and which is fit for the connection of at least six bars extending under a mutual angle of 90 DEG or 180 DEG is composable of at least two elements of a set comprising three different elements. The eight angle joints theoretically possible are each composable from at the most three different elements. The first element (a) comprises a basic body (3) belonging to the angle joint and a protrusion (4); the second element (c) comprises a part of said basic body and two protrusions, and the third element (b) comprises one protrusion.</p> |
