Lift system

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 11/00 (2006.01) B66B 7/06 (2006.01) D07B 1/22 (2006.01)

Patent

CA 2464929

The invention relates to a lift system without a machinery room, comprising a driving motor (2), a driving disk (16), a protruding lift cage (3) and a counterweight (8). Said driving motor (2) drives, by means of the driving disk (16), a flat belt-type carrier means (12) which is embodied as a V-ribbed belt, and which carries the lift cage (3) and the counterweight (8) and moves along vertical guiding mechanisms (5, 10). Said V-ribbed belt (12) comprises, at least on its bearing surface facing the driving disk (16), a plurality of ribs and grooves extending parallel in the longitudinal direction of the belt, said ribs and grooves improving the traction capacity of the carrier means.

La présente invention concerne un système d'ascenseur dépourvu de salle des machines, comprenant un moteur d'entraînement (2), une poulie motrice (16), une cabine d'ascenseur (3) en porte-à-faux et un contrepoids (8). Le moteur d'entraînement (2) entraîne, par l'intermédiaire de la poulie motrice (16), un élément porteur (12) de type courroie plate se présentant sous la forme d'une courroie trapézoïdale crantée, qui porte la cabine d'ascenseur (3) et le contrepoids (8) et qui se déplace le long d'éléments de guidage (5, 10) verticaux. La courroie trapézoïdale crantée (12) présente au moins sur sa surface de roulement opposée à la poulie d'entraînement (16) plusieurs crans ou nervures s'étendant parallèlement dans sa direction longitudinale qui améliorent la capacité de traction de l'élément porteur.

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