E - Fixed Constructions – 04 – H
Patent
E - Fixed Constructions
04
H
E04H 4/10 (2006.01) A63C 19/12 (2006.01) B60J 7/08 (2006.01) E04F 10/06 (2006.01)
Patent
CA 2743199
The present invention relates to a device (1) for covering a surface (3) comprising a drum (2) mounted to rotate and able to wind up or unwind a cover (10). Said drum (2) is mounted on a longitudinal-translation mechanism comprising: (a) two flexible belts (31) fixed only at each of their ends (35) to the four corners of the surface that is to be covered and arranged along the two lengths of the perimeter of the surface (3) that is to be covered; and (b) a carriage (21) transversely overhanging the surface (3) to be covered and supporting the drum (2), said carriage (21) comprising, at each of its ends: (i) a drive wheel (9) the rotation axle of which is parallel to that of said drum (2); (ii) at least two casters (33) resting on the surface directly adjacent to the surface (3) that is to be covered and allowing for the longitudinal translational movement of the carriage (21), these being mounted on each side of the drive wheel (9) and together with the latter constituting a triangle of which the drive wheel forms the vertex; so that the sections (31a) of each flexible belt (31) comprised between their points of attachment (35) and the casters, are pressed against the length of the periphery of the surface that is to be covered, and so that the section (31b) of each belt comprised between the at least two casters (33) runs over the drive wheel (9) without slipping.
La présente invention concerne un dispositif (1) destiné à recouvrir une surface (3) et comportant un tambour (2) monté de façon tournante et capable denrouler ou de dérouler une couverture (10). Ledit tambour (2) est monté sur un de mécanisme de translation longitudinale comprenant : (a) deux courroies souples (31) fixées uniquement à chacune de leurs extrémités (35) aux quatre coins de la surface à recouvrir et disposées le long des deux grands côtés du périmètre de la surface (3) à recouvrir; et (b) un chariot (21) surplombant transversalement la surface (3) à recouvrir et supportant le tambour (2), ledit chariot (21) comportant, à chacune de ses extrémités : (i) une roue motrice (9) dont laxe de rotation est parallèle à celui dudit tambour (2); (ii) au moins deux roulettes (33) reposant sur une surface directement adjacente à la surface (3) à recouvrir et permettant un mouvement de translation longitudinale du chariot (21), celles-ci étant montées de part et dautre de la roue motrice (9) et formant avec celle-ci un triangle dont la roue motrice constitue le sommet; de sorte que les portions (31a) de chaque courroie souple (31) comprises entre leurs points (35) de fixation et les roulettes sont plaquées contre le grand côté de la périphérie de la surface à recouvrir, et que la portion (31b) de chaque courroie comprise entre au moins deux roulettes (33) passe par-dessus la roue motrice (9) sans glissement.
Becoflex S.a.
Ridout & Maybee Llp
LandOfFree
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