A vacuum cleaning head

Details A vacuum cleaning head A vacuum cleaning head

A - Human Necessities

47

L

A47L 9/04 (2006.01)

Patent

CA 2499017

A restricting device (800) is positioned in the flow duct (893) leading from the main inlet (111) to the cleaning head (100) of a vacuum cleaner and is movable between a restrictive position, in which it serves to restrict the cross-section of the discharge outlet, and an open position, in which it restricts the cross-section of the discharge outlet to a lesser extent. The restricting device (800) is movable by the passage of debris along the flow duct (893).

L'invention concerne un dispositif de restriction (800) positionné dans un conduit d'écoulement (893) s'étendant de l'entrée principale (111) à la tête de nettoyage (100) d'un aspirateur, le dispositif étant mobile entre une position restrictive, dans laquelle il restreint l'intersection de la sortie de décharge, et une position ouverte, dans laquelle il restreint l'intersection de la sortie de décharge d'une façon moins considérable. Ledit dispositif de restriction (800) est mobile lors du passage de débris le long du conduit d'écoulement (893).

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