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Public domain · Fee lapsed

High pressure extractor

US-8769763-B2

Abstract

A floor cleaning device includes a base. A cleaning fluid supply tank is carried by the base. A source of pressure communicates with the cleaning fluid supply tank which pressurizes a cleaning fluid held in the cleaning fluid supply tank to an above atmospheric pressure. A fluid delivery system delivers pressurized cleaning fluid from the cleaning fluid supply tank to a surface to be cleaned.

Patent figures（8）

US-8769763-B2 fig 1
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