VEHICLE WITH CENTRAL WHEEL DRIVE HAVING DRIVE MEANS TO LIFT THE CENTRAL WHEELS OUT OF CONTACT WITH THE GROUND

摘要

A vehicle, in particular a wheelchair or stand-up wheelchair with central wheel drive where the weight of the user loads substantially the central wheels (13). The vehicle has a chassis (11) and a seat device (19) arranged on the chassis, the chassis (11) having a front part (15) and a rear part (23) which are connected to each other in an articulated manner by a joint (25). The chassis (11) has two central wheels (13) which can be motor-driven separately from each other, two front wheels (15) and at least one rear wheel (17). The front wheels (15) can also be motor-driven separately from each other and drive means (37) are provided allowing the front part of the chassis (21) to be adjusted in relation to the rear part (23) in order to bring the central wheels (13) out of contact with the ground and the front wheels (15) into contact with the ground.