Abstract: There is described a wheelchair, in particular a manual wheelchair for bariatric or heavy-duty use, that includes a wheelchair chassis, a seating area, a backrest, as well as front wheels and rear wheels, said backrest having a backrest frame supported onto the wheelchair chassis. The wheelchair further includes a rolling support structure forming an integral part of the wheelchair, which rolling support structure is mounted on a rear portion of the wheelchair to support the wheelchair in an upright position in which the wheelchair is tilted back and is supported by the rolling support structure to allow displacement of the wheelchair in the upright position. The rolling support structure includes at least three, in particular four, rolling elements providing rolling support for the wheelchair in the upright position.

Abstract: There is described a bariatric wheelchair, in particular a manual wheelchair, that includes a wheelchair chassis, a seating area provided on the wheelchair chassis, a backrest supported onto the wheelchair chassis, as well as front wheels and rear wheels provided on the wheelchair chassis to allow wheeling of the wheelchair. The backrest exhibits a lower backrest portion supported onto the wheelchair chassis, next to the seating area, the seating area and lower backrest portion having a first width (W1) that is selected to accommodate a wheelchair user's nominal hips width (WH) ranging between 500 millimeters and 800 millimeters.