Stair lift

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 9/08 (2006.01)

Patent

CA 2323362

A control arrangement for controlling the orientation of the seat assembly of a stair lift with respect to the chassis of the stair lift as the chassis moves along an inclined elongate rail. The control arrangement includes means for causing relative movement between the seat assembly and the chassis, such as, for example an electric motor. These means are then further controlled by control means such as an electronic circuit to ensure that the seat assembly is maintained in a horizontal orientation with respect to the ground. In addition, a stair lift rail construction arrangement is also disclosed wherein transitional sections of rail between rail sections of different inclines are formed as arcs of a circle. This allows the control means to be simplified as the electric motor need only be run at a constant rate to maintain the seat orientation during the transitional sections.

L'invention concerne un montage de commande permettant de commander l'orientation de l'ensemble siège d'un monte-escalier par rapport au châssis du monte-escalier, lorsque le châssis se déplace le long d'un rail allongé incliné. Le montage de commande comprend des dispositifs destinés à provoquer un déplacement relatif entre l'ensemble siège et le châssis tel que, par exemple, un moteur électrique. Ces dispositifs sont eux-mêmes commandés par un dispositif de commande tel qu'un circuit électronique destiné à garantir que l'ensemble siège est maintenu dans une position horizontale par rapport au sol. L'invention concerne en outre une structure de rail de monte-escalier dans laquelle des sections de transition du rail situées entre les sections de rail de différents plans inclinés sont en forme d'arcs de cercle. Cela permet de simplifier le dispositif de commande, le moteur électrique ne devant tourner qu'à vitesse constante pour maintenir l'orientation du siège dans les sections de transition.

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