E - Fixed Constructions – 01 – H
Patent
E - Fixed Constructions
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H
E01H 1/00 (2006.01) A47L 9/00 (2006.01) A47L 9/02 (2006.01) A47L 11/20 (2006.01) E01H 1/08 (2006.01) E01H 1/10 (2006.01)
Patent
CA 2357057
A mobile large area surface cleaning apparatus comprises a vehicle, a vacuum source, and wheels. A housing is mounted on the vehicle and defines a substantially hollow interior, and has a perimeter portion that terminates downwardly in a surface facing peripheral bottom edge that defines a suctioning bottom opening. A duct has an inlet end disposed in suctioning relation with respect to the substantially hollow interior of the housing and connected in fluid communication and in debris transfer relation via an internal airflow passageway to an opposite outlet end disposed exteriorly to the housing in fluid communication and in debris transfer relation with the vacuum source. The peripheral bottom edge is disposed adjacent the surface being cleaned, and a selectively movable portion permits ingress by debris to the interior of the housing, to thereby permit passage by debris through the duct and into the vacuum source.
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Vanderlinden Roger P.
LandOfFree
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