ADJUSTABLE WHEELED CHAIR Russian patent published in 1997 - IPC

FIELD: transport engineering; medicine; transportation of invalids and other patients. SUBSTANCE: chair has frame on wheels. Rear wheels with negative camber are secured in holders mounted on frame. Holders are provided with fixing unit with hole arranged at angle in which axle of rear wheel is secured to provide negative camber. Fixing units 16 of axles 7 of rear wheels 3 located at both sides of frame are installed for independent turning in mated holders 6, and they can be fixed in definite position. With holders released, fixing units can be turned and thus direction of axes of rear wheels can be changed and wheels can be set independently from each other and differently. EFFECT: possibility of changing rear wheel camber and/or adjusting or eliminating wheel toe-in or toe-out.