| 摘要 |
<p>This assembling node is especially noteworthy in that it comprises, over an equatorial plane, a hollow central sphere (2) around which satellite hollow spheres (3) are distributed, each sphere (2, 3) being provided over at least one of their meridional planes, with at least one oblong opening (6), (7) by which the head (8) of an end-piece of a long thin element (5) is inserted and is secured thereto by rotation by a quarter turn about the longitudinal axis of the end-piece. The said head (8) is carried by the rod (10) which comprises the end-piece (4) and the said rod (10) is disposed between the lips of the opening and radially to the sphere (2, 3).</p> |
