| 摘要 |
<p>A device for wheel-chairs with a frame (1), driving wheels (2) and a seat which can be raised and lowered. According to the invention the device comprises at least one pair of parallel arms whereby the seat (5) can undergo parallel displacement in the height direction in relation to the frame (1) by means of a device (20, 21, 22) for turning of the arms (10, 11) in relation to the frame (1).</p> |
