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| Number | Title | Issue Date |
| 8166608 | Floor treatment device having a rotatable roller A floor treatment device including a housing, a brush motor and a rotatable roller disposed in the housing. A suction mouth is disposed in a portion of the housing. The rotatable roller is driven by the brush motor and at least partially extends from the suction mou... | 05/01/2012 |
| 7325275 | Cleaner having brush height control apparatus A cleaner includes a suction motor mounted in a cleaner main body, and generating a suction force; a filter for collecting dust or filth sucked by the suction force generated at the suction motor; a suction head connected with the filter by a suction tube, and sucki... | 02/05/2008 |
| 7200892 | Robot cleaner with adjustable brush A robot cleaner with a pivotable brush which pivots in accordance with a condition of a floor surface to be cleaned. The pivotal brush prevents overload to a suction motor caused by excessive contact of the brush with the floor surface to be cleaned. The robot clean... | 04/10/2007 |
| 7200893 | Brush assembly for a floor cleaning unit A floor cleaning device having a base assembly for movement along a cleaning surface is provided. The base assembly comprises a brush assembly for engaging the surface of the floor being cleaned removably mounted to a base part. A nozzle assembly is removably mounte... | 04/10/2007 |
| 7159277 | Multiple chamber suction nozzle configuration A vacuum cleaner is provided having a suction nozzle comprised of a transparent agitator housing and an opaque suction nozzle body. The agitator housing forms a downwardly disposed nozzle chamber divided into a right and left agitator chamber. The right and left agi... | 01/09/2007 |
| 7146682 | Powered edge cleaner A floor care appliance such as a vacuum cleaner is provided having a traction wheel powered edge cleaner comprised of a vertical axis rotary agitator which is affixed to either the right or left side of the suction nozzle. The agitator is rotated by the traction whe... | 12/12/2006 |
| 6934993 | Extraction cleaning machine with agitation brushes An extraction cleaning machine has a solution dispensing system and a recovery system for applying a cleaning solution to a surface and recovering the solution from the surface, and an agitation brush assembly for agitating the surface. The agitation brush assembly ... | 08/30/2005 |
| 6261379 | Floating agitator housing for a vacuum cleaner head A vacuum cleaner head having a casing having a dirty air inlet, a housing mounted above the dirty air inlet and moveable with respect to the dirty air inlet and a brush roatably mounted within the housing. The brush is moveable with the housing for improv... | 07/17/2001 |
| 6243917 | Floating brush for a vacuum cleaner head A vacuum cleaner head has a casing having a dirty air inlet and a brush mounted above the dirty air inlet and moveable with respect to the dirty air inlet. The brush is pivotally mounted to the casing by a pivot member at a position forward of the brush. ... | 06/12/2001 |
| 6099661 | Method and apparatus for increasing the air flow into a vacuum cleaner head A vacuum cleaner head having a dirty air inlet has an associated restricting member which is operable to reduce the size of the dirty air inlet thereby increasing the velocity of the air entering the air flow path.... | 08/08/2000 |
| 6085383 | Vacuum cleaner brush wrap geometry A vacuum cleaner comprising a housing having an elongated transverse brush cavity with an elongated cylindrical brush therein, a duct having an air flow nozzle adjacent the brush cavity for receiving dirt-entrained air from the brush cavity, a vacuum moto... | 07/11/2000 |
| 6009593 | Carpet extractor brush assembly Floor care apparatus is disclosed wherein a powered brush assembly having a multiplicity of rotary brushes is suspended within the apparatus such that the brush assembly floats freely upon the surface being cleaned without supporting any of the machine's ... | 01/04/2000 |
| 5819370 | Floorcare machines such as vacuum cleaners To adjust a brush roller to the current operating conditions, a brush attachment to hold the brush roller and drive mechanism is realized in the form of an upper part and a separate inner part. The inner part is thereby mounted in the upper part so that t... | 10/13/1998 |
| 5659918 | Vacuum cleaner and method Disclosed is a wet/dry carpet cleaner having a large tank assembly for fluids. A bladder containing fresh or cleaning water is positioned in the large tank for dispensing the cleaning water to a brush. A vacuum nozzle for vacuuming and returning soiled fl... | 08/26/1997 |
| 5482562 | Method and an apparatus for the removal of fibrous material from a rotating shaft Apparatus and method for removing fibrous material wound around a generally cylindrical shaft rotated about a central longitudinal axis thereof. A cutter blade is provided to have a forward edge portion extending along the central longitudinal axis of the... | 01/09/1996 |
| 5394588 | Nozzle head for vacuum cleaner with duster function A nozzle head for a vacuum cleaner employing a roller-shaped duster that can be rotated and removed in order to improve efficiency of duster-cleaning. The nozzle head comprises outer and inner casings spaced from each other, a duster supporting shaft deta... | 03/07/1995 |
| 5308288 | Vacuum sweeper drive belt An endless elastomeric vacuum sweeper belt for use in a vacuum sweeper having a diamond pattern drive surface. A first set of ribs project inwardly in a substantially diagonal direction along the drive surface of the belt. A second set of ribs project inw... | 05/03/1994 |
| 4976003 | Cleaning apparatus In a vacuum cleaning apparatus of the dry, wet and wet/dry types having a cleaning head assembly, a rotatable brush carried within and spanning said head assembly adapted to loosen and agitate dirt on a surface to be cleaned, means for rotatably driving s... | 12/11/1990 |
| 4731956 | Floor polishing machine A cleaning apparatus according to the teachings of the present invention disclosure is shown in its most preferred form of a floor polishing machine having a polishing member rotatably mounted to a platform. The polishing member is raised off the floor su... | 03/22/1988 |
| 4603999 | Apparatus for mixing and spreading coatings on surfaces An apparatus for uniformly spreading and mixing coating ingredients deposited on a traffic surface, such as a road, includes a maneuverable, wheeled support carriage, a frame and a power driven finishing assembly. The finishing assembly is provided with a... | 08/05/1986 |
| 4589161 | Vacuum driven tool A rotary brush vacuum sweeper having a directly coupled disc brush and turbine wheel. The disc brush floats axially within the sweeper housing to control brush force and is in telescopic relation with rearward motor components to promote favorable air flo... | 05/20/1986 |
| 4554702 | Vacuum driven tool A rotary brush vacuum sweeper having a directly coupled disc brush and turbine wheel. The disc brush floats axially within the sweeper housing to control brush force and is in telescopic relation with rearward motor components to promote favorable air flo... | 11/26/1985 |
| 4139922 | Carpet cleaning device A reversible electric motor is mounted in a frame and is connected to front and rear rotary brushes mounted transversely in the frame adjacent the front of the machine with a transverse vacuum nozzle being situated between the brushes. A transverse spray ... | 02/20/1979 |
| 3959848 | Vacuum cleaner nozzle construction A housing of a vacuum cleaner nozzle has an opening in which a brush disk is located so that bristles of the disk extend outwardly of the opening. A journal pin for the brush disk extends with one end portion into a tubular socket formed in the housing, a... | 06/01/1976 |
