| 摘要 |
<p>The guiding device has a switchable switch (14) switchably designed by a roller (6) of a cleaning device (1). A lower guide way (13) is provided for the roller, and an upper guide way (12) is provided for another roller (5) of the cleaning device. The switch has two arms (16, 18), which are located on same lines. The cleaning device has a logic unit guided by the guiding device.</p> |
