发明授权
US06735812B2 Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium 有权
采用提取装置和土壤转移清洁介质的双模式地毯清洁装置

Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium
摘要:
An apparatus performing multiple different cleaning operations for cleaning fabrics, floor coverings, and bare floor surfaces is disclosed. A device according to the present invention selectively utilizes soil transfer and solution extraction technology. In one embodiment, an apparatus is disclosed having a cleaning implement in selective wiping contact with a surface to be cleaned, a cleaning solution dispenser which selectively wets with a cleaning solution a portion of the cleaning implement or a portion of the surface or both, a first selectively controllable vacuum extractor tool which when operating removes some of the dispensed cleaning solution and soil from the cleaning implement, and a second selectively controllable vacuum extractor tool which when operating removes soil and some of the cleaning solution directly from the surface intended to be cleaned. A method of use of such an apparatus is also disclosed. Portable and vehicle-based devices may be utilized to practice the different methods of cleaning.
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