| 摘要 |
<p>Jointed unit (1) comprises several adjacent elements (2, 3) connected to one another by means of a pair of connecting members (5, 6) situated at their ends opposite to which they are connected so as to be able to rotate. Connected members (5, 6) comprising a pair by two consecutive elements (2, 3) are made integral with one another by fastening member (4) connected to them in a reversible manner. In one embodiment the connecting members are a pair of links (5, 6) each carrying two cylindrical holes (5c, 5d, 6c, 6d) into which studs (2c, 3c, 2d, 3d) protruding from the end of the elements (2, 3) to be connected, engage. Links (5, 6) that form a pair are made integral with one another by means of bar (4) connected to them by means of fastening screws (7).</p> |
