Dirt cup assembly with a pre-filter having a plurality of ribs

Details Dirt cup assembly with a pre-filter having a plurality of ribs Dirt cup assembly with a pre-filter having a plurality of ribs

A - Human Necessities

47

L

A47L 9/10 (2006.01) A47L 5/28 (2006.01) A47L 9/00 (2006.01) A47L 9/14 (2006.01)

Patent

CA 2733482

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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