Dirt cup assembly with a pre-filter having a plurality of ribs
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United States of America Patent
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Sep 17, 2013
Grant Date -
Sep 22, 2011
app pub date -
Mar 19, 2010
filing date -
Mar 19, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A floor cleaning apparatus includes a housing having a nozzle assembly and a canister assembly. The nozzle assembly includes a suction inlet. Both a suction generator and a dirt collection assembly are carried on the housing. The dirt collection assembly includes a dirt cup, a shroud concentrically received within the dirt collection chamber defined by the dirt cup and at least one rib projecting from the shroud toward the bottom wall of the dirt cup. The rib is positioned so as to reduce air turbulence in the dirt collection chamber between an airflow guide on the shroud and the bottom wall of the dirt cup.
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