| 摘要 |
This assembly node is characterised in that it comprises two identical horizontal first pieces 1, 2 of square shape which are superposed while being a certain distance from each other and each of which is pierced, in its central portion, by a cross-shaped opening 7 parallel to the sides of the square, and two pairs of vertical second pieces 3, 4; 5, 6 which are identical to each other, the second pieces of each pair being horizontally aligned while being a certain distance from each other and the two pairs of second pieces being perpendicular to each other, each second piece 3-6 having more or less the shape of a Y comprising a lower vertical wing 3a and two inclined upper wings 3b, 3c. <IMAGE>
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