Stand-up wheelchair, has backrest connected to seat in articulated manner, where angle between backrest and seat is changed to another angle during change of tilt angle of seat from horizontal line

摘要

The wheelchair has a stand-up frame fastened to a guiding post (5) and a guiding frame (20) of an undercarriage. A seat (10) is pivotally fastened to the guiding post and the guiding frame and displaceable from a sitting position into a standing position by an actuator. A backrest is connected to the seat in an articulated manner at an angle, and has an articulated parallelogram pivotally arranged beneath the seat, where a tilt angle of the seat is varied. An angle between the backrest and seat is changed to another angle during the change of the tilt angle of the seat from a horizontal line.