E - Fixed Constructions – 01 – H
Patent
E - Fixed Constructions
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H
E01H 1/00 (2006.01) A47L 7/00 (2006.01) A47L 9/02 (2006.01) A47L 11/20 (2006.01) E01H 1/08 (2006.01) E01H 1/10 (2006.01)
Patent
CA 2356489
A mobile large area surface cleaning apparatus comprises a vehicle carrying a vacuum source. A housing mounted on the vehicle has a surface facing peripheral bottom edge defining a suctioning bottom opening. A dust transfer duct has an inlet disposed in dust suctioning relation with the suctioning bottom opening of the housing and is connected in fluid communication via an airflow passageway to an outlet disposed exteriorly to the housing and is connected in fluid communication and in debris transfer relation to the vacuum source. A debris transfer duct has a debris inlet disposed in debris suctioning relation exteriorly to the housing and above the peripheral bottom edge of the housing to thereby accept debris too large to pass between the peripheral bottom edge and a surface being cleaned during use, and is connected in fluid communication to a debris outlet disposed in debris transfer relation to the vacuum source.
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Vanderlinden Roger P.
LandOfFree
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