Patent ID: 9560944
Date: 2017-02-07
CPC Classifications: A47L

Claim:
1. A vacuum cleaner having a travelling head connected to a handle, the travelling head being adapted to be moved across a surface to be cleaned by way of the handle, the travelling head having a leading end and a trailing end, the travelling head also having: a rotatable brush, the rotatable brush being located in a brush chamber at the leading end of the travelling head, the brush chamber having an opening through which a part of the rotatable brush projects, the opening and the rotatable brush spanning substantially the full width of the travelling head; an impeller; a motor for driving the rotatable brush and the impeller; a removable dirt-collection chamber spanning substantially the full width of the travelling head; a filter means located between the dirt-collection chamber and the impeller, the filter means also spanning substantially the full width of the travelling head; and an air flow duct connecting the brush chamber to the dirt-collection chamber, the leading end of the air flow duct being substantially tangential to the rotatable brush, the air flow duct spanning substantially the full width of the travelling head throughout the whole length of the air flow duct.