| 摘要 |
Sign, particularly highway sign, traffic sign, or advertising sign, comprising a panel attached to at least one post (10), which comprises a number of extruded channels (12). Each channel has a rib (19) on each edge flange (13) thereof, the ribs being undercut at one side to be engaged with each other at sloping surfaces adjacent the web (12) when the panel is clamped against the post, adjacent channels being pressed at edge flanges engaged with eachother, by wedge action at the sloping surfaces. |
