| 摘要 |
PURPOSE: An advertisement rotating device of a ceiling is provided to improve advertising effects by improving visibility by the rotating operation of an advertisement and sequentially exposing multiple advertisements. CONSTITUTION: An advertisement rotating device of a ceiling comprises a case part (10), a connecting part (20), a rotating part (30) and a rotation driving part (40). The case part installs an upper ring combined with the ceiling and a lower ring in which advertisements are combined. The connecting part is installed at the upper part of the case part for connecting the power line of the ceiling. The rotating part is installed at the inside the case part for rotating the lower ring. The rotation driving part is installed at the upper part of the rotating part for providing the rotating part with rotation driving power. |
