A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 11/28 (2006.01) A47L 11/30 (2006.01) A47L 11/40 (2006.01)
Patent
CA 2183045
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.
Crouser Darwin S.
Louis Jeffrey S.
Maurer Edgar A.
Healthy Gain Investments Limited
Smart & Biggar
The Hoover Company
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