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| Number | Title | Issue Date |
| 8011063 | Overload clutch for rotating agitation member in cleaning machine An overload clutch (10) for a rotating agitation member (11) for a surface cleaning machine includes a clutch member (12) connected to the agitation member (11) to rotate therewith, a coupling member (20) rotatable relative to the ... | 09/06/2011 |
| 8011062 | Vacuum cleaner motor assembly A vacuum cleaner motor assembly includes a motor in a bucket, configured so as to drive a fan to provide airflow. An epicyclic gear system is attached to the output shaft of the motor, to produce an output of reduced rotational speed. The output is employed to drive... | 09/06/2011 |
| 7937804 | Belt lifter mechanism for vacuum cleaner A drive belt shifting arrangement for a rotatable brush roller of an upright cleaner where the shifter has an idler pulley for arcuate movement within the loop of the belt between the roller and the motor occasioned by pedal actuation. The same pedal action by the u... | 05/10/2011 |
| 7861369 | Belt disengaging device for a vacuum cleaner A vacuum cleaner comprises a motor-driven rotatable agitator coupled with a shaft of the motor through a belt. A belt disengaging device for a vacuum cleaner comprises a pin that is movable through an arc of less than 180° between an engaged position and a disengag... | 01/04/2011 |
| 7426770 | Rotating brush driving control apparatus for vacuum cleaner The present disclosure relates to a rotating brush driving control apparatus. The rotating brush driving control apparatus includes a supporting bracket disposed in a suction brush assembly; a moving member slidably and elastically disposed in the supporting bracket... | 09/23/2008 |
| 7418764 | Mode control arrangement for a floor care appliance An upright vacuum cleaner is provided having a suction nozzle height adjustment arrangement controlled by a rotary mode control member located on the upper housing. The rotary mode control member controls a suction nozzle height adjustment motor and a rotary agitato... | 09/02/2008 |
| 7318250 | Bare floor shifter for vacuum cleaner A bare floor switch assembly for a power head or an upright vacuum cleaner includes a mounting bracket, an idler and idler arm pivotally mounted to the mounting bracket, a biaser for biasing the idler and idler arm to an agitator drive interrupting position and a sw... | 01/15/2008 |
| 7246408 | Cleaning tool with rotatably driven working tool A cleaning tool for a vacuum cleaning device has a housing having a bottom plate with a working slot. A rotatingly driven working tool is rotatably supported in the housing and passes through the working slot to act on a surface to be cleaned. A motor is arranged in... | 07/24/2007 |
| 7228593 | Appliance which utilizes a magnetic clutch to transmit power from a drive means to a movable member and a magnetic clutch An appliance comprises a moving member, a drive motor, and a linkage drivingly connecting the drive motor to the moving member, the linkage including first and second magnetic coupling members The magnetic clutch may have first and second magnetic coupling members. ... | 06/12/2007 |
| 7225503 | Hand-held deep cleaner A liquid extraction cleaner includes a solution dispensing system, a liquid recovery system, and an agitation brush assembly. The solution dispensing system includes a supply tank removably affixed to a housing and fluidly connected to a fluid distributor through a ... | 06/05/2007 |
| 7222390 | Clutchless self-propelled vacuum cleaner and nozzle height adjustment mechanism therefor A clutchless, direct drive, self-propelled vacuum cleaner includes a nozzle base having a suction inlet and a housing pivotally mounted on the nozzle base. A suction source is mounted to one of the nozzle base and the housing. A filter chamber is located in one of t... | 05/29/2007 |
| 7155773 | Cleaning head for floor cleaning device An overload coupling is provided for the limited transfer of torque in a floor cleaning device. A drive element and a driven element are arranged concentrically to one another, thereby forming an intermediate space. The intermediate space accommodates at least one c... | 01/02/2007 |
| 7120964 | Bare floor shifter for vacuum cleaner A bare floor switch assembly for a power head or an upright vacuum cleaner includes a mounting bracket, an idler and idler arm pivotally mounted to the mounting bracket, a biaser for biasing the idler and idler arm to an agitator drive interrupting position and a sw... | 10/17/2006 |
| 7107647 | Apparatus of driving agitator of upright vacuum cleaner The present invention relates to an apparatus of driving an agitator of an upright vacuum cleaner. It includes a fixing panel and a rotation guide which are positioned at an outer side of the driving shaft roller and guided to move coaxially with the driving shaft r... | 09/19/2006 |
| 7076830 | Electronically commutated drive system for vacuum cleaner A self-propelled appliance, such as a vacuum cleaner includes a magnetic field sensor and magnet. A relative position between the magnetic field sensor and the magnet can be changed by a user of the appliance. The magnetic field sensor generates a signal indicating ... | 07/18/2006 |
| 6915544 | Agitator drive system with bare floor shifter An upright vacuum cleaner includes a housing, a nozzle opening in the housing and a dust collector carried on the housing. A suction fan is also carried on the housing. The suction fan draws air, dirt and debris from a surface to be cleaned through the nozzle openin... | 07/12/2005 |
| 6691849 | Clutch mechanism The invention provides a clutch mechanism (200) having a driven pulley (32) and a drive pulley (34) to which a load is applied, the clutch mechanism (200) having an engaged position in which torque applied in use to the driven pulley (32) is transmitted t... | 02/17/2004 |
| 6374453 | Convertible vacuum cleaner A vacuum cleaner of the type which includes a canister which when upright the vacuum cleaner is operated as an upright vacuum cleaner, or, when tilted down, the vacuum cleaner is operated as a canister-type vacuum cleaner.... | 04/23/2002 |
| 6351872 | Agitator motor projection system for vacuum cleaner A vacuum cleaner includes a housing incorporating a handle assembly and a nozzle assembly, a suction fan and cooperating suction fan drive motor carried on the housing, a rotary agitator held in the nozzle assembly, an agitator drive motor carried on the ... | 03/05/2002 |
| 6209169 | Turbine-powered brush nozzle for vacuum cleaner A vacuum-cleaner nozzle has a housing forming a turbine compartment and a brush compartment and having opening into the turbine compartment an outlet adapted for connection to a fan input and a slot opening into the brush compartment. A brush rotatable in... | 04/03/2001 |
| 6209168 | Combination brushroll and nozzle inlet control mechanism A vacuum cleaner including a nozzle base comprising a primary suction opening and a suction source. A dust cup assembly is releasably secured to the nozzle base. The dust cup assembly comprises a first inlet and a door positioned adjacent the inlet to sel... | 04/03/2001 |
| 6158084 | Vacuum cleaner agitator control A self-propelled vacuum cleaner is provided having an upper handle portion and a carriage pivotally mounted to a lower end of the handle portion for pivotal motion relative the handle portion about a horizontally extending carriage axis. A transmission dr... | 12/12/2000 |
| 6151752 | Vacuum cleaner head A vacuum cleaner head has a housing having a turbine chamber and a connection tube connecting the turbine chamber to a suction aggregate of a vacuum cleaning machine. The housing has a suction opening and the turbine chamber has an inflow opening communic... | 11/28/2000 |
| 6098243 | Device for driving/stopping brush of vacuum cleaner Device for driving/stopping a brush of a vacuum cleaner, including a driving motor built in a body of the vacuum cleaner, a brush fitted in front of the driving motor in the body of the vacuum cleaner, a support frame fixed inside of the body and having t... | 08/08/2000 |
| 6067689 | Shifter mechanism for vacuum cleaner A vacuum cleaner (10) includes a housing (14), an agitator brush (40) mounted for relative rotation in the housing (14) and a motor (30) including a shaft (42) for driving the agitator brush (40). A flexible belt (44) connects the drive shaft (42) of the ... | 05/30/2000 |
| 6044520 | Vacuum cleaner A vacuum cleaner comprises a floor nozzle housing an agitator for stirring dust, a handle sector containing a dust bag and a fan motor for sucking dust, and a power transmission device for transmitting the driving force of the fan motor to the agitator. T... | 04/04/2000 |
| 5839160 | Clutch control mechanical device for the brush axle of a vacuum cleaner A clutch control mechanical device is disclosed for the brush axle of a vacuum cleaner. The clutch control mechanical device is located at the undercarriage of the machine with a pressure control shaft extending out of the inner sides of the undercarriage... | 11/24/1998 |
| 5768746 | Electric vacuum cleaner An electric vacuum cleaner comprising a floor nozzle connected to a lower part of a main body of the electric vacuum cleaner and having a suction opening opened on a lower surface of the floor nozzle, a rotary brush disposed in the suction opening, a driv... | 06/23/1998 |
| 5331716 | Vacuum cleaner with extendable hose and brush disengagement A hand-held vacuum cleaner includes a housing, a source of vacuum, a hose removably connected to an intake section of the housing, a rotatably driven brush located at the intake section, and a system to automatically stop the brush from being driven when ... | 07/26/1994 |
| 4977640 | Floor nozzle for vacuum cleaner A floor nozzle for a vacuum cleaner which includes a housing, and an agitator, a driving motor for the agitator, and a switch for changing over rotating directions of the motor which are accommodated in the housing, and a coupling pipe connected to the ho... | 12/18/1990 |
| 4766640 | Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism A self-propelled, upright suction or vacuum cleaner includes a base unit and a handle assembly pivotally extending therefrom that can be pivoted from an upright position to a comfortable operating position. The handle assembly includes a handle grip at on... | 08/30/1988 |
| 4766641 | Detent clutch for a vacuum cleaner A clutch mechanism for use in the drive mechanism for a vacuum cleaner floor cleaning rotary brush is provided which prevents damage to the drive belt in the event the brush becomes jammed and is prevented from rotating. A cam ring having external bumps c... | 08/30/1988 |
| 4748714 | Cleaner with belt shifting The invention comprehends a belt shifting arrangement for an upright cleaner in which belt shifting to an intermediate idler pulley is occasioned by either handle movement or pedal actuation. Either of these movements functions to cam the belt onto the id... | 06/07/1988 |
| 4686736 | Vacuum cleaner A vacuum cleaner having the combined features of a canister and upright type vacuum cleaner with the canister mounted for tilting movement on a housing of a floor or nozzle unit which contains a rotatably mounted brush. A single motor is used to power a f... | 08/18/1987 |
| 4660247 | Temperature limiting system for a spring loaded torque limiting clutch A temperature responsive fuse is provided for use in a vacuum cleaner brush dowel drive clutch mechanism to prevent overheating of the clutch mechanism upon a continued rotation of the drive belt after the brush dowel has stalled due to jamming or similar... | 04/28/1987 |
| 4648150 | Vacuum cleaner A vacuum cleaner comprising a dust intake portion, a rotary brush provided in the intake portion, a drive motor for driving the rotary brush, a fan motor for suction of dust, a dust collector for the dust taken in, a dust transfer passage extending from t... | 03/10/1987 |
| 4637092 | Vacuum cleaner with agitator In a vacuum cleaner of the type arranged to stop a motor when a driven brush is overloaded due to engagement with carpet or other obstacles, a starter circuit responsive to a manually operable power switch is employed to start the motor. The rotation of t... | 01/20/1987 |
| 4610047 | Vacuum cleaner of interchangeable attachment type An upright vacuum cleaner has a removable powered brush vacuum nozzle which can be removed and replaced without operation of a belt lifter. The power linkage from the cleaner's fan motor to the nozzle brush includes a positive-drive clutch, and control me... | 09/09/1986 |
| 4581787 | Vacuum cleaner An upright vacuum cleaner includes a floor nozzle having a rotatable brush housed therein for operative contact with a surface to be cleaned, a main cleaner assembly coupled with the floor nozzle and accommodating a motor-driven fan having a motor shaft a... | 04/15/1986 |
| 4532667 | Floor cleaning device having a replaceable brush assembly The invention is directed to a replaceable brush assembly for a floor cleaning device such as an electric carpet sweeper. The cleaning device is equipped with a so-called central drive. Replaceable brush assemblies are pushed over respective ends of the o... | 08/06/1985 |
