The transport device (1) for the person has a frame (2) equipped with a wheel (3), and a seat (4) fixed to the - the top of the wheel (3) and designed to receive the user. It also comprises a cradle of the wheel (37) mounted with the capacity of articulation on the frame, so that the cradle of the wheel (37) can pivot about a pivot pin (26) between a position in which the dynamic range of motion for the transportation device (1) and a static position of rest on the ground for the raising and lowering of the person, tilting during which the transport device (1) is moved forwards or backwards relative to the wheel (3), which remains in contact.