Drive sheave for an elevator system

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 15/04 (2006.01)

Patent

CA 2748989

The invention relates to a drive sheave (2) for driving at least one pulling means (3, 3A-3E) of an elevator system (1), comprising at least one traction area (15), in which recesses are formed, which extend substantially perpendicular to a circumferential direction (18) of the drive sheave (2) in the form of grooves (16A-16E), wherein the drive sheave (2) is formed by a one-piece drive sheave body comprising the at least one traction area (15), and the grooves (16A-16E) extend in said drive sheave body.

L'invention concerne une poulie motrice (2) pour l'entraînement d'au moins un moyen de traction (3, 3A-3E) d'une installation d'ascenseur (1), présentant au moins une surface de traction (15) dans laquelle sont formés des évidements qui s'étendent en forme de rainures (16A-16E), sensiblement perpendiculairement à une direction périphérique (18) de la poulie motrice (2). L'invention est caractérisée en ce que la poulie motrice (2) est formée par un corps de poulie motrice en une seule pièce, comprenant au moins la surface de traction (15), et en ce que les rainures (16A-16E) s'étendent dans ce corps de poulie motrice.

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