| 摘要 |
<p>Guard-rail panel having a generally inverted U-shape (1) with short flanges and elongate web, the flanges of which are connected together by bracing ties (2 and 3) and are each provided with a bracket (4) for fixing to the assembly tongues (5) of the scaffolding ladders (6), wherein the fixing brackets (4) are mounted at the ends of the flanges of the U (1) and cooperate with the assembly tongues (5) provided on the inner side of the uprights of the ladders (6) below the level of the plank (7) corresponding to the guard-rail, the flanges of the U (1) being additionally provided, on the one hand, above the level of the plank (7), with means (8) for fastening a plinth (9) and, on the other hand, near the web, with brackets (10) each provided with a recess (11) which is turned upwards and is intended to cooperate with tongues of the ladders (6). <IMAGE></p> |
