| 摘要 |
<p>The T shaped post has a web (1) and a wing (2) and the attachment of the horizontal round or tubular runner (15) to the post is made via the wing (2) not the web, so that the post is not weakened. The attachment is made at several spaced points up to the height of the post by vertical arcs (10), cast to the wing of the post. The arcs in open V shape have two straight branches (11,12) joined by an arc (13) to form a triangular holding band on the edge of wing defined by the edge and by the parallel openings (14).</p> |
