摘要 |
<p>The self-propelled vehicle has a frame (1) and two wheels (2a,2b,2c,2d) or rollers, which are rotatably arranged on the frame and are driven by a drive. A suction pipe with a connecting piece (5) for connecting the suction pipe to a suction line is arranged on the frame. Each wheel is formed as a paddle wheel with paddle boards (6) and has a polygonal base body (7), on which the paddle boards are fixed.</p> |