INFORMATION BOARD Russian patent published in 1998 - IPC

FIELD: information displaying equipment, in particular, advertising boards for expositions. SUBSTANCE: device has rest 1 with rack 2, frame on which information carriers are mounted. Information carriers are designed as lathes 6, 7 and 8 which are fixed by means of angular insertions 4 and 5 and are equipped with longitudinal grooves 9, 10, 11. Walls of groove 9 have rectangular bulges which are designed for engagement with rectangular bulges on ends of roller 15 which are located in horizontal position with respect to flat frame for its vertical movement . In addition device has flexible deformation rings 16. EFFECT: increased functional capabilities. 2 cl, 12 dwg