Automatically adjustable passenger mirror for a trailered...

B - Operations – Transporting – 60 – R

Patent

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Details

B60R 1/02 (2006.01)

Patent

CA 2274107

An automatic mirror rotation assembly for a vehicle (20) including a tractor (24) and semi-detached trailer (22) is provided. An elongated arm (50) supporting a rotatable wheel (58) attaches to a support (40) mounted at a selected position on the tractor (24) chassis. The arm (50) is pivoted upward until the wheel (58) contacts the underside of the trailer (22), and is kept engaged with substantially constant pressure. As the vehicle turns, the rotation of the trailer (22) with respect to the tractor (24) is measured by counting rotations or partial rotations of the wheel (58) against the underside surface of the trailer (22). A corresponding degree of passenger-side rear view minor is calculated, and a motor automatically rotates the mirror. A feedback device (200) measures the actual rotation of the mirror and feeds that information back to the assembly.

L'invention porte sur un dispositif automatique d'orientation du rétroviseur d'un véhicule (20) comportant un tracteur (24) et une semi-remorque (22). Un bras allongé portant une roue (58) pivotante se fixe à un support (40) monté en un point choisi du châssis du tracteur (24). Le bras (50) pivote vers le haut jusqu'à ce que la roue (58) entre en contact avec le dessous du tracteur (24) où elle demeure en exerçant une pression sensiblement constante. Lorsque le véhicule tourne, la rotation de la semi-remorque (22) par rapport au tracteur (24) se mesure par comptage des tours ou parties de tours de la roue (58) tournant contre la surface inférieure du tracteur (24). L'angle de rotation correspondant du rétroviseur côté passager est calculé et un moteur fait tourner automatiquement le rétroviseur. Un dispositif de rétroaction (200) mesure la rotation actuelle du rétroviseur et retransmet l'information au dispositif.

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