| 摘要 |
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) being mounted on a longitudinal- translation mechanism, said longitudinal-translation mechanism comprising (a) rails placed on either side of said surface (3), at least one of said rails (6) comprising a rack (7); and (b) at least one pinion (9) meshing with said rack (7) and the rotation of which allows the longitudinal translation of the drum (2); characterized in that the longitudinal-translation mechanism is such that it allows a transverse movement of the pinion (9) and/or of the rack (7) and/or of the rail (6), allowing the alignment between the pinion (9) and the corresponding rack (7) to be automatically adjusted. |
