Lift assist mechanism for vehicle tailgates

E - Fixed Constructions – 05 – F

Patent

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Details

E05F 1/12 (2006.01) B62D 33/027 (2006.01) B62D 33/03 (2006.01) B62D 33/033 (2006.01)

Patent

CA 2441091

A vehicle tailgate lift system comprises an energy storage device located within a vehicle body and adapted to be pivotally anchored to the vehicle body at one end, a bellcrank arm that is pivotally attached to the energy storage device and rigidly attached to an actuation shaft that is coaxially aligned with a tailgate pivot axis, a pivot bracket assembly that incorporates a pivot bearing arrangement to facilitate a robust rotary joint about the tailgate pivot axis, and comprising a coupling means between the tailgate and the actuation shaft, such that relative rotary motion of the tailgate and vehicle body results in linear movement of the energy storage device and maximum energy storage at the tailgate fully open position.

L'invention concerne un système de levage du hayon d'un véhicule, qui comprend un dispositif de stockage d'énergie situé dans un corps de véhicule et conçu pour être ancré de façon pivotante à une extrémité du corps de véhicule, un bras de levier coudé fixé de façon pivotante au dispositif de stockage d'énergie et fixé de façon rigide à un arbre d'actionnement coaxialement aligné avec un axe du pivot du hayon, un ensemble support pivotant qui comprend un ensemble soutenant le pivot pour faciliter un assemblage rotatif robuste autour de l'axe du pivot du hayon, et comprenant un moyen de couplage situé entre le hayon et l'arbre d'actionnement, tel que le mouvement rotatif relatif du hayon et du corps de véhicule a pour résultat le mouvement linéaire du dispositif de stockage d'énergie et un stockage d'énergie maximal en position complètement ouverte du hayon.

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