| 摘要 |
<p>A wheelchair (10, 110) having a track (32, 132) along which front wheels (24, 124) are slidably movable between a conventional forward position and a rearward position in which the conventional rear wheels (12, 112) are lifted off the ground thereby to permit the rear wheels (12, 112) to be moved up a kerb (72, 172).</p> |
