| 摘要 |
PURPOSE: An air signboard is provided to overcome the restriction of a height and to remarkably improve an advertisement effect by broadening the advertizing surface of an air tube. CONSTITUTION: A post(10) is installed in the exterior of a building(100) with a uniform interval and forms an elevation recess in a longitudinal direction. An air tube(20) is expanded with the pressure of the air and contacts a rear side with a wall. The tube exposes an advertisement face to be bent in a front side. A hoisting unit(50) is installed in the upper part of the post and increases the upper part of the tube with a rope. An air injection unit(40) injects the air into the air tube. |
