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| Number | Title | Issue Date |
| 8069530 | Triple-bearing bristled roller with comprehensive thread guard system A spinning bristled roller assembly for the nozzle of a vacuum cleaner or other carpet cleaning apparatus. The roller assembly includes three bearings protected by a comprehensive thread guard system. The three bearing system, in combination with the structure of th... | 12/06/2011 |
| 7316050 | Vacuum cleaning tool having an exchangeable attachment A cleaning tool for a vacuum cleaning device has a housing and a motor arranged in the housing. A tool carrier and a rotatingly driven working tool are provided. The working tool has two ends rotatably supported in the tool carrier. The tool carrier and the working ... | 01/08/2008 |
| 7305736 | Height adjustment apparatus for a rotatable component of a vacuum cleaner A height adjustment apparatus for a rotatable component of a vacuum cleaner is provided. The apparatus includes a rotatable wheel and a retainer device. The rotatable wheel includes a central axis, a wheel portion, a hub portion including an offset axle aperture tha... | 12/11/2007 |
| 7197789 | Rotating and oscillating beater bar assembly for vacuum cleaners A beater bar assembly for use within a vacuum cleaner is disclosed. The beater bar assembly is capable of both axial oscillation (horizontal motion) and axial rotation, thereby providing an efficient cleaning motion. ... | 04/03/2007 |
| RE38973 | Sweeper A sweeper includes a support structure having parallel arms which may be moved apart to allow a brush held between the arms to be replaced. Each of the arms has a hub mounted thereon by a universal joint which provides automatic alignment of the two hubs to provide ... | 02/14/2006 |
| 6959467 | Bladed disk brush roller assembly for a vacuum cleaner A brush roller assembly for a vacuum cleaner includes a rotatable spindle having a longitudinal axis, a first end, a second end and a central portion. A first airflow enhancing device (“AED”) is positioned, by being molded onto or operationally attached to, the ... | 11/01/2005 |
| 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 |
| 6859970 | Agitator for vacuum cleaner/extractor An agitator includes an axle, a pulley having a hub mounted to the axle and a belt receiving face having at least one lengthwise channel and a sleeve of molded material received over the axle and in the at least one lengthwise channel. A method of constructing an ag... | 03/01/2005 |
| 6810559 | Agitator assembly for vacuum cleaner An agitator assembly for a vacuum cleaner comprises a dowel assembly with recesses at its opposite ends defined by outwardly inclined walls. Each recess has inwardly facing radial vanes, and a shaft end for holding the inner ring of a bearing assembly. End caps exte... | 11/02/2004 |
| 6785933 | Suction head of vacuum cleaner with power brush A suction head of a vacuum cleaner with a power brush to dislodge and remove debris from an object to be cleaned is provided. The suction head includes a head case connected to a cleaner body via a connecting tube and having a suction hold on a lower surface thereof... | 09/07/2004 |
| 6779231 | V-belt driven vacuum cleaner brushroll A vacuum cleaner brushroll including a spindle rotated by a drive belt having grooves in its inner drive surface extending lengthwise around the belt, and a pulley formed in one-piece with the spindle, the pulley having a flat, smooth belt surface parallel to the sp... | 08/24/2004 |
| 6772476 | Suction head with power brush for vacuum cleaner An improved suction head of a vacuum cleaner with a power brush is provided. A head case of the suction head is connected to a cleaner body with a connecting tube, and a power brush is positioned in the head case so as to allow the power brush to be in both rotary a... | 08/10/2004 |
| 6571423 | Surface-cleaning device with rotatable and pivotable cleaning part The invention relates to a surface-cleaning device (61, 63) which has a base part (69) and a cleaning part (67) having a substantially flat contact surface (71) for contact with a surface (41) to be cleaned and which is rotatable relative to the base part... | 06/03/2003 |
| 6550099 | Vacuum cleaning tool with exchangeable vacuum shoes A vacuum cleaning tool for a vacuum cleaning device has a housing having a vacuum connector connected to the vacuum cleaning device. The housing has an underside and an elongate intake opening arranged in the underside. A brush roll is arranged in the hou... | 04/22/2003 |
| 6451400 | Floor mat There is provided a mat having multiple sets of pins, each set of pins being located within surrounding, characterized in that the pins do not extend significantly beyond the highest point of the surrounding. Thus the pins are protected by the surrounding... | 09/17/2002 |
| 6324714 | Sweeping machine In order to simplify the construction of the mounting arrangement in a sweeping machine including a rotatably driven brushing roller which is rotatably mounted at each end in a frame and is driven at one end by a gear wheel which forms the mounting for th... | 12/04/2001 |
| 6323570 | Rotary brush device and vacuum cleaner using the same A motor is incorporated in a cylindrical body which is a rotary brush. Rotation of a rotor of the motor, directly or via a speed reduction mechanism, drives the rotary brush. Cooling air runs through the cylindrical body so that the motor is cooled and pr... | 11/27/2001 |
| 6314611 | Bladed disk brush roller assembly for a vacuum cleaner sweeper A brush roller assembly for a vacuum cleaner sweeper which includes a rotatable spindle having a longitudinal axis, a first end, a second end and a central portion, a first bladed disk positioned on the first end of the rotatable spindle, the first bladed... | 11/13/2001 |
| 6282748 | Brushroll chamber for vacuum cleaner A nozzle base for a vacuum cleaner includes an upright front wall, an upright rear wall spaced from the front wall and having a suction air aperture, first and second upright side walls extending transversely between mutual end edges of the front and rear... | 09/04/2001 |
| 6279197 | Ductwork cleaning system An accessory system for a ductwork cleaning machine that utilizes a vacuum hose having a rotating cleaning brush the vacuum and the power for the rotating brush being supplied from a remote power unit with a rotating drive cable being located within the v... | 08/28/2001 |
| 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 |
| 6003198 | Brushroll A brushroll having a pulley driven spindle with an end assembly at each end rotatably mounting the spindle in a vacuum cleaner nozzle. On the pulley end of the spindle, a projecting pin is knurled at one end and inserted into the end of the spindle. An ou... | 12/21/1999 |
| 5802666 | Power brush for a vacuum cleaner Disclosed is a power brush for a vacuum cleaner by which dust is easily sucked into the vacuum cleaner with reduced noise and which can be easily manufactured. A brush body sucks dust by making contact with a floor. The brush body is provided at an end of... | 09/08/1998 |
| 5802664 | Power head for cleaning machine A motorized power head for a machine for cleaning upholstery, carpeting or hard floors includes a spray nozzle for distributing a clean spray solution on a selected area enclosed by the power head. A cylindrical rotating brush is driven by a two-speed mot... | 09/08/1998 |
| 5781962 | Carpet cleaning machine with maintenance-reducing features Disclosed is a carpet cleaning machine having a revolving, cylinder-shaped, double-ended carpet cleaning member powered by a gear-driven drive shaft for removing dirty material from a carpet. In the improvement, the drive shaft is coupled to the first end... | 07/21/1998 |
| 5727276 | Vacuum sweeper brush and concentric roller pin A concentric roller pin for use in combination with a roller member of a vacuum cleaner wherein the concentric roller pin includes an inner end, an outer end and an intermediate portion. The inner end of the concentric roller pin is tapered and terminates... | 03/17/1998 |
| 5718018 | Vacuum cleaner brush-roll nozzle A nozzle for a vacuum cleaner including a brush-roll and wheels. The nozzle is partly supported above a surface being cleaned by the wheels. The brush-roll and the wheels are concentric with each other.... | 02/17/1998 |
| 5619768 | Vacuum sweeper brush and concentric roller pin A concentric roller pin for use in combination with a roller member of a vacuum cleaner wherein the concentric roller pin includes an inner end, an outer end and an intermediate portion. The inner end of the concentric roller pin is tapered and terminates... | 04/15/1997 |
| 5598600 | Brushroll An improved vacuum cleaner brushroll including a tufted spindle supported by end assemblies. The end assemblies have bearings that rotatably mount the spindle in a vacuum cleaner nozzle. Rotation of the spindle is effective to pick up debris. The improvem... | 02/04/1997 |
| 5560065 | Broom assisted pick-up head A pick-up head is formed by a housing which defines a broom chamber rearward of an associated air pressure chamber and its associated blast orifice. The broom is rotated in a direction to impel debris from a surface in the same direction as air emitted fr... | 10/01/1996 |
| 5465451 | Brushroll An improved vacuum cleaner brushroll including a tufted spindle supported by end assemblies. The end assemblies have bearings that rotatably mount the spindle in a vacuum cleaner nozzle. Rotation of the spindle is effective to pick up debris. The improvem... | 11/14/1995 |
| 5448794 | Corded handheld vacuum cleaner A handheld vacuum cleaner is provided that has a motor mounted with the rotational axis of its shaft parallel to the rotational axis of the rotating brush. The vacuum cleaner motor has an end bell, which is attached to the motor stator, and which holds a ... | 09/12/1995 |
| 5435038 | Brush roller assembly for vacuum cleaner sweeper A roller assembly comprises an essentially cylindrical spindle which is rotatably supported at opposite ends by a pair of end assemblies. The spindle has brush elements on a circumferential surface and axial bores extending inwardly from each of the ends.... | 07/25/1995 |
| 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 |
| 5373603 | Brushroll A vacuum cleaner brushroll including a tufted spindle supported by end assemblies having bearings that rotatably mount the spindle in the vacuum cleaner nozzle. The brushroll includes a spindle and improved end assemblies for supporting the spindle compri... | 12/20/1994 |
| 5297312 | Cleaning appliance with agitation member mounting bracket A floor cleaning appliance having a pivotally mounted bracket for selectively tensioning an agitation motor drive belt is disclosed. The appliance includes a housing and a bracket pivotally mounted to the housing about a first axis of rotation. The bracke... | 03/29/1994 |
| 5272785 | Brushroll A vacuum cleaner brushroll including a tufted spindle supported by end assemblies having bearings that rotatably mount said spindle in the vacuum cleaner nozzle. The brushroll includes a spindle and improved end assemblies for supporting the spindle compr... | 12/28/1993 |
| 5249328 | Vacuum cleaner beater brush structure In a vacuum cleaner beater brush structure, a beater brush roller is provided with a helical brush strip and a beater strip. A sprocket comprises a support flange and a gear pulley, the gear pulley comprising a carrier having brush tufts and beater bars, ... | 10/05/1993 |
| 5231725 | No-tool brush changing means A self-propelled industrial cleaning machine has a cylindrical horizontally mounted rotatable cleaning brush. There is a torsionally rigid connecting member extending generally parallel to the brush. A rigid arm is attached to each end of the connecting m... | 08/03/1993 |
| 5193243 | Brushroll A brushroll having a spindle and a pair of end assemblies each including a thread guard, a shouldered stub shaft, a bearing and an end cap. The thread guards each include a pair of radially spaced annular wall portions which define channels opening outwar... | 03/16/1993 |
