| 摘要 |
<p>A stair lift (1, 101) comprises a longitudinal guide (3) with a first side running surface (10a) and a second side running surface (10b), a carriage (5) which is transportable along the guide (3), provided with rollers for guiding the carriage (5) comprising a first roller (12a, 112a) with a first roller peripheral friction surface which is in frictional engagement with the first side running surface, and a second roller (12b, 112b) with a second roller peripheral friction surface which is in frictional engagement with the second side running surface. The first roller friction surface is provided with a first roller member (22, 17) which peripherally extends in a plane perpendicular to a rotational axis (15a) of the first roller (12a, 112a) and the first side running surface (10a) is provided with a longitudinal first side running surface member (20, 19) which fits complementary with the first roller member.</p> |
