Patent ID: 7493715
Filing Date: 2009-02-24
Classification: G09F

Abstract:
1. A scrolling poster display device comprising: at least two parallel rollers, a poster strip wound onto the rollers, said poster strip having a front face visible to the public and a rear face on the opposite side to the front face, at least one motor for driving the rollers, and a fixed support device designed to shape the rear face of the poster strip between said rollers, wherein the support device comprises an air chamber delimited by a peripheral surround adjacent to the rear face of the poster strip and a back which is offset rearward with respect to the surround, said support device comprising no element near the rear face of the poster strip inside the surround, and wherein the display device further comprises at least one air-blowing device able to create a raised air pressure in the air chamber, the air injected into the air chamber escaping to the exterior thereby forming a layer of air at the interface between the surround and the rear bee of the poster strip.