Wheeled chassis

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 63/08 (2006.01) B62D 13/00 (2006.01) B62D 59/04 (2006.01) B62D 63/06 (2006.01) B64F 1/30 (2006.01)

Patent

CA 2242690

A wheeled chassis including at least one traction bar pivotable about a horizontal axis between a substantially vertical position and a substantially horizontal, towing position, and two spaced from each other axle elements for supporting each pair of freely rotatable wheels, a driving wheel supported on the chassis, and a device for steering the driving wheel about an upright-extending axes, with the wheels supported by one of the two axle elements pivoting about vertical axes, with the pivotal wheels forming apexes of corners of an imaginary rectangular frame and with the driving wheel being located inside of the imaginary rectangular frame adjacent to a longitudinal side of the frame in an offset relationship with respect to a vertical longitudinal central plane of the chassis, while the pivotal freely rotatable and wheels located in a trailing relationship with respect to the driving wheel in a direction opposite to a towing direction of the chassis.

La présente invention a pour objet un châssis monté sur roues comportant au moins une barre de traction pivotant selon un axe horizontal entre une position de remorquage essentiellement verticale et une position essentiellement horizontale, ainsi que deux essieux espacés l'un de l'autre et supportant chacun une paire de roues tournant librement, une roue motrice fixée au châssis, ainsi qu'un dispositif pour commander la direction de la roue motrice montée sur un axe vertical, les roues supportées par l'un des deux essieux étant montées en pivotement sur des axes verticaux, les roues pivotantes formant le sommet des quatre coins d'un cadre rectangulaire imaginaire, la roue motrice étant située à l'intérieur de ce rectangle imaginaire, près d'un bord longitudinal du châssis, et déporté latéralement par rapport au plan médian du châssis, les roues pivotantes et les roues arrière étant montées derrière la roue motrice dans une direction opposée au sens de remorquage du châssis.

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