发明名称 Carpet extractor
摘要 The herein disclosed invention relates to an improved carpet extractor having powered brushes for scrubbing a floor surface and which may be converted to an above the floor mode for upholstery cleaning or the like. A pair of air driven turbines are disclosed, one for driving the floor scrubbing brushes when in the floor cleaning mode and one for driving a cleaning solution supply pump when in the above floor cleaning mode. A unique linkage mechanism is taught whereby only one turbine or the other is energized depending upon the cleaning mode selected by the operator.
申请公布号 US5860188(A) 申请公布日期 1999.01.19
申请号 US19970931752 申请日期 1997.09.16
申请人 THE HOOVER COMPANY 发明人 MAURER, EDGAR A.;CROUSER, DARWIN S.;LOUIS, JEFFREY S.
分类号 A47L11/204;A47L11/30;A47L11/34;A47L11/40;(IPC1-7):A47L7/00 主分类号 A47L11/204
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