| 摘要 |
<p>Floor washing device designed as a vacuum cleaner nozzle, which can be connected to or built together with a vacuum cleaner suitable for wet vacuum cleaning, the purpose of which is to make floor washing, carpet washing or sucking up water from floors, applied by the built-in waterspray system and provided with a set of double acting scraping plates, which according to the invention are so designed, the one scraping plate always scrapes the water towards the suction zone in the vacuum cleaner nozzle and the other one is raised so it does not touch the water film on the floor, and where the functions of the plates are reversed when the working directions are reversed. The floor washing device may be provided with air guiding plates or with turnable suction channels, mounted on the scraping plates in order to improve the suction efficiency and to reduce the consumption of water or detergents.</p> |
