Device for the display of advertising messages

Details Device for the display of advertising messages Device for the display of advertising messages

G - Physics

09

F

40/41

G09F 11/29 (2006.01) G09F 11/00 (2006.01)

Patent

CA 1323490

ABSTRACT OF THE DISCLOSURE: The invention relates to a device for the display of advertising messages which comprises two rollers 7, 8 for winding and unwinding a flexible member, such as a sheet which bears advertising messages which can be seen through a front screen, within a body with a transparent front screen which is illuminated from the rear. Each roller is driven by a transmission which includes an idling wheel so that when one roller winds up the flexible member the other roller idles thus permitting unwinding of the said member. :

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