Display device by unwinding a data medium screen

Details Display device by unwinding a data medium screen Display device by unwinding a data medium screen

G - Physics

09

F

G09F 11/30 (2006.01) G09F 11/29 (2006.01) G09F 11/32 (2006.01)

Patent

CA 2334090

The invention concerns a display device by unwinding a data medium screen (300), wherein the screen (300) is wound and unwound around two powered and synchronised rolls (100, 200) such that the screen (300) is maintained fully stretched out while it is being unwound. The invention is characterised in that: the upper end (310) of the screen (300) is mounted detachable on a fixing module (110) integral with the upper roll (100); the fixing module (110) is connected to the upper roll (100) by an unwinding mechanism (400) for moving the fixing module (110) near the lower roll, for mounting and dismounting the upper end (310) of the screen (300); it comprises means (500, 501, 340) for maintaining the screen fully stretched out.

Dispositif d'affichage par déroulement d'une toile (300) support d'informations, dans lequel la toile (300) s'enroule et se déroule autour de deux rouleaux (100, 200) motorisés et synchronisés de telle manière que la toile (300) est maintenue sous tension lors de son déroulement, caractérisé en ce que : l'extrémité haute (310) de la toile (300) est montée de façon amovible sur un module de fixation (110) solidaire du rouleau supérieur (100) ; le module de fixation (110) est relié au rouleau supérieur (100) par un mécanisme déroulant (400) permettant le déplacement du module de fixation (110) à proximité du rouleau inférieur, pour le montage et le démontage de l'extrémité haute (310) de la toile (300) ; il comporte des moyens (500, 501, 340) de maintien sous tension transversale de la toile.

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