| 摘要 |
<p>The present invention relates to the field of vacuum cleaners for cleaning carpets and other floor surfaces. The invention particularly relates to upright cleaners which have a cleaning head portion and an upstanding handle portion which typically carries a collection device for collecting detritus lifted by a vacuum induced airflow. The present invention provides an upright vacuum cleaner (10), the cleaning head portion (15) being provided with wheel means which allow the cleaner to be moved over a floor surface, wherein the wheel means comprises first and second laterally spaced apart rear wheels (14) and a castor wheel (25) that is located at a position forward of the rear wheels and preferably aft of the roller brush. The castor wheel is preferably located in a domed recess in an underside of the cleaning head.</p> |
