HALF-TRACK WHEELCHAIR CHASSIS Russian patent published in 2013 - IPC A61G5/04 

FIELD: medicine.

SUBSTANCE: invention relates to wheelchairs, especially electrically driven and servo controlled for handicapped persons either apodal, or with the immovable lower extremities. A half-track wheelchair chassis comprises a bearing platform of a side wheel servo drive system and a platform stabiliser; the platform stabiliser is presented as a half-track parking foot suspended on a balance pendulum mounted in a plane equidistant from the side wheels so that the rear wheel of the parking foot is actuated when the wheelchair moves forward, while the front wheel is actuated when the wheelchair moves backwards or slows down.

EFFECT: more comfortable operation of the wheelchair, including on common stair flights.

3 cl, 2 dwg