Advertising strip used on the edge of a sports field comprises a flat material as an advertising support, a support frame with a convex curved progression, and a device to move the flat material over the support surface

摘要

Advertising strip (10) comprises a flat material (22) as an advertising support, a support frame (20) with a convex curved progression, and a changing device (25, 26) to move the flat material, under control of an electric motor, over the support surface in a curved direction of the surface to show different advertising information.