| 摘要 |
<p>Device for alternately showing displays (7) such as advertisements, said device comprising: a housing (1) with a front panel (2) which is at least partially transparant (3) and behind which panel said displays (7) can be brought one by one. At both ends of said panel cassettes (4, 42) are positioned in each of which at least two rollers (6) are provided. On each roller (6) a display (7) is wound and by means of a beam (18) movable between both ends the free end of a display (7) can be brought towards the other end of said panel (2). Coupling means (16, 17, 21, 22; 40, 41; 46, 53) being present for coupling the end of a display (7) with said beam (18). <IMAGE></p> |
