| 摘要 |
The present invention relates to a stair liftdrive, comprising a rail extending along a track, a first frame part, provided with at least one pair of wheels engaging the rail, a second frame part, provided with at least one pair of wheels engaging the rail, a propulsion, to drive at least one of the wheels, a mounting part, for mounting a seat for a user of the stair lift, wherein the mounting part is connected to the first frame part; and wherein the mounting part is freely rotatably connected to the second frame part about two axes which are perpendicular to each other and perpendicular to the tangential direction of the trail; and wherein the mounting part is rotatably connected to the second frame part about the tangential direction of the trail. |
