| 摘要 |
The aid has a drive motor (10) arranged in a rear area of a frame (3), a base part (4a) and a covering part (4b) including guiding rails for a step plate (2). A driving part has two driving units that are formed as a chain or a belt and assigned to one of side parts (4). The driving units are arranged between the guiding rails and an outer wall (4c) of the assigned side parts, connected with the step plate, and guided by a guide roller and a drive roller which is connected with the drive motor. |
