A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 9/04 (2006.01) A47L 5/30 (2006.01)
Patent
CA 2053991
Abstract of the Disclosure Vacuum cleaning tool with adjustable intake air flow. The tool has a housing, in the base of which is provided an intake opening for intake air to a vacuum cleaner. Disposed above the intake opening is a brush roller, bristles of which extend through the intake opening. The brush roller is driven by an air turbine that is driven by the intake air flow. To adjust the intensity of the intake air flow, which flows from the intake opening to the air turbine and to a connector of the vacuum cleaner via a flow opening, at least one slide mechanism is disposed in the housing for varying the passage cross-section of this flow opening.
Fetherstonhaugh & Co.
Firma Fedag
Woerwag Peter
LandOfFree
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