| 摘要 |
The present invention discloses a rotary sign board that is installed around the outer periphery of a post in an existing building in such a manner as to be rotated at a predetermined speed, thereby enhancing the advertisement effect. The rotary sign board includes: a support portion for surrounding the outer periphery of the lower portion of a cylindrical post; a cover frame for surrounding the outer periphery of the post and having a transparent window formed along the outer peripheral surface thereof; a rotary body disposed in parallel relation with respect to the outer periphery of the post at the inside of the transparent window of the cover frame; a driving portion fixed to abut against the one top side of the cover frame for providing a rotary force to the rotary body; a rotary body support portion provided at the inside of the cover frame; a rotary portion for rotating the rails of the rotary body; and a support rod fixedly mounted to each side of the support portion.
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