| 摘要 |
Rotary advertising medium with multiple presentation faces actuated by air movement. It consists of the combination first of all of a triangular prismatic casing with faces 1, 2, 3 carrying advertising motifs which are slightly concave or curved so as to catch the wind with overlapping contiguous edges forming propulsion wings, next of the mounting of this prism on a shaft with bearings facilitating rotation of the lateral flanges 11, and finally of the mounting of the assembly on a mobile support 20, 21 which can be adapted equally well to a vehicle or to a fixed surface such as a shop or other forecourt. It is intended, with a single medium, to allow several advertising motifs to be presented, changing of which takes place by the movable surfaces catching the wind. <IMAGE>
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