Vacuum cleaning nozzle
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United States of America Patent
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Jun 29, 2010
Grant Date -
Mar 22, 2007
app pub date -
Sep 16, 2005
filing date -
Sep 16, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An air-powered vacuum cleaning nozzle has an agitator brush rotated by an air turbine powered by a source of suction air. A plurality of air inlet openings are formed adjacent the agitator brush. A generally flat friction drive belt extends from a bearing shaft of the air turbine to the midpoint of the agitator brush for rotating the brush. The bearing shaft is mounted in a pair of spaced rubber bushings to absorb vibration and reduce noise. The nozzle includes a housing formed by one-piece top and bottom housing members removably joined together securing the air turbine therebetween. A cover plate removably secured to the outside surface of the bottom housing member forms a protective passage for the drive belt and a suction passage between an air inlet adjacent the agitator brush and the air turbine chamber.
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