Patent ID: 8702108
Filing Date: 2014-04-22
Classification: A61G,B60G,B62B

Abstract:
1. A vehicle having a multiple of level compensation systems, said vehicle comprising: a chassis having a left frame, a right frame and a base plate, a first level compensation system comprising a pivot joint for pivotably connecting said left and right frames to said base plate, whereby said left and right frames are rotatable with respect to each other around a common rotational axis, wherein said left and right frame extends in a direction perpendicular to said rotational axis, a left wheel pair comprising a left front wheel and a left rear wheel, the left front wheel and left rear wheels having left rotation axes and being mounted in opposite ends of said left frame, a right wheel pair comprising a right front wheel and a right rear wheel, the right front wheel and right rear wheels having right rotation axes and being mounted in opposite ends of said right frame, wherein at least one first axial distance from a left rotation axis of said left wheel pair to said rotational axis is different from at least one second axial distance from a right rotation axis of said right wheel pair to said rotational axis, such that said left and right wheel pair have at least one off-set to each other, comprising at least one wheel displacement unit arranged to displace at least one of said left front wheel and left rear wheel in relation to at least one of said right front wheel and right rear wheel to provide said off-set a frame control unit adapted to provide off-set values, wherein said at least one wheel displacement unit comprises left frame actuators and right frame actuators, wherein the left and right frame actuators are connected to said frame control unit, wherein said left frame actuators are arranged to adjust one of said first axial distances by displacement of said wheels of said left wheel pair relative to each other, and wherein said right frame actuators are arranged to adjust one of said second axial distances by displacement of said wheels of said right wheel pair relative to each other, and wherein said displacements are based on said off-set values to provide said off-set.