| 摘要 |
<p>The fixing is for metal rails (2,3) of tube, wire or profile on a trolley platform (1) of moulded plastics. The rails are pliable and symmetrical in plane, and have at their base a plate (12). Under this is welded a lug. This has a double fold into a U shape. The inner width of the U is the same as the platform thickness with enough play for assembly. There is a vertical rectangular hole in the direction of the rail to receive the lug. Limited spacing of the rail is given.</p> |
