| 摘要 |
The post has a square base (1) and a reinforcement (2) made of folded sheet and forming three closed sides (11, 12, 22) and an open fourth side along the entire length of the post. A multifunction partitioned section (4) comprises a front wall (41) and a rear wall (42), where the rear wall of the section includes two fixing grooves (481, 482). The section closes an opening (A) of the post and carries functional elements such as guide rails, of an overhead door. The reinforcement extends over a part of the height of the post. |
