Rotating advertising device for legible inscriptions from opposite directions, essentially consisting of a body of prismatic configuration, laminar structure and translucent walls for passage of the light of an interior focus, being articulated to half of the faces of this body plates rectangular lengths equivalent to that of the prism and width equal to half of the faces themselves, so that such plates are able to freely adopt two positions of coincidence and coating of those faces of the prism in the superposition with each of its halves, the articulation of each plate being carried out by means of ex- cent rods located in extension and at each end of the side coupled to the middle part of the face, said rods having an end element that cooperates with a fixed stop to help the plate remaining in the upper part makes its change of position without stopping. (Machine-translation by Google Translate, not legally binding)
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