Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium
AssigneeTennant Company
InventorsFrederick A. Hekman, Jeffrey D. Fystrom, Larry D. Wydra
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AssigneeTennant Company
InventorsFrederick A. Hekman, Jeffrey D. Fystrom, Larry D. Wydra
Estimating the term…
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.
A surface maintenance device for performing a plurality of surface cleaning processes, comprising:
A surface maintenance machine comprising:
A multi-mode carpet cleaning machine comprising:
A method of cleaning a carpeted surface utilizing a dual mode cleaning machine comprising the steps of:
A method of cleaning a carpeted surface utilizing a dual mode cleaning machine comprising the steps of:
Dependencies are inferred from the claim text.