| 摘要 |
A rotary type air signboard is provided to minimize the amount of discharged air by installing an air curtain between a rotary plate and a supporter. A rotary type air signboard includes a supporter(10), a rotary plate(20) installed rotatably at an upper part of the supporter, an air pillar(30) having a shape of tube, an air blower(40), and an illumination unit(50). The air pillar is composed of a flexible material and is expanded in the shape of pillar by air pressure. A lower end of the air pillar is coupled with the rotary plate. The air blower is installed at the supporter to ventilate the air. The illumination unit illuminates the inside of the air pillar. An air curtain has a shape of flexible band. One end of the air curtain is coupled with one side of the supporter or one side of the rotary plate. The other end of the air curtain slides on the other side of the supporter or the other side of the rotary plate. |
