US Patent 7891695 Upright wheelchair

An upright wheelchair with a chassis (29, 22), a seat (2) arranged pivotably on the chassis (29, 22), which can be pivoted from a substantially horizontal seating position to a substantially vertical standing position during upright motion, and at least one footrest (16) arranged on the chassis (29, 22), which is lowered to the ground in the standing position, is characterised in that when the seat (2) is in the seating position the footrest (16) is inclined at an angle (α) relative to the horizontal (H) and the angle (α) returns to zero during upright motion.