upper rail

Connection between post, upper rail shall be mounted by taper pin or welding, the specified method refer to the details followed.

立柱与扶手管、杆间采用销钉固定或焊接固定的方式，具体的连接方式见后面的的详细要求。

The wearing and loss failure often occur between the two matching faces of the self-locking mechanism and the rail, which also happen to the faces between the large-scale component's bottom and the rail's upper level.

传统滑移施工常常发生自锁机构与轨道接触面的磨损失效，以及大型构件与轨道表面的磨损失效，往往造成滑移部件的严重损耗。

Un-clamp the upper gate rail by releasing the 2 hand knobs.

旋松闸门近旁的2个手动旋钮而使上闸门门轨松开.

Germany famous brand hardware parts and upper rail and bottom runner design ensure smooth operation.

采用德国名牌折叠门专用五金件,上滑轨下滑槽结构,保证了折叠推拉顺畅、开启灵活.