Class / Patent application number | Description | Number of patent applications / Date published |
015389000 | Drive details | 35 |
20080209671 | MULTI-STRUT CLEANING HEAD - A cleaning head for a surface cleaning apparatus has a plurality of struts extending from a front chamber having a dirty air inlet to a rear chamber having a transition duct that is in communication with a filtration apparatus of a surface cleaning apparatus by a dirty fluid outlet. One or more of the struts comprises an airflow passage. In one embodiment, no outer casing is provided surrounding the struts. | 09-04-2008 |
20080271285 | Vacuum cleaner with electronic agitator control - A vacuum cleaner includes a floor engaging portion and a handle portion pivotally mounted to the floor engaging portion. The handle portion includes an input device. An agitator is rotatably mounted in the floor engaging portion to agitate a floor surface being cleaned. A first motor has an output shaft and an agitator belt selectively drivingly connecting the motor to the agitator. A tensioning arm pivotally mounts to the floor engaging portion for motion between an agitator-on position in which the tensioning arm engages the agitator belt, to place the agitator belt under tension whereby the agitator belt drives the agitator, and an agitator-off position in which the tensioning arm does not engage the agitator belt, to place the agitator belt in a slack condition whereby the agitator belt does not drive the agitator. A lifting assembly is mounted in the floor engaging portion and includes a second motor and an engaging member driven by the second motor, the engaging member being adapted to contact the tensioning arm to selectively place the tensioning arm in the agitator-off position. | 11-06-2008 |
20100017999 | Vacuum Cleaner - An upright vacuum cleaner comprises a floor-engaging head portion | 01-28-2010 |
20100088843 | BATTERY POWERED CORDLESS CLEANING SYSTEM - A cordless, battery-powered system of cleaning products. The system of cleaning products includes devices such as upright vacuums (e.g., a stick vacuum, a lightweight upright vacuum, etc.), a hand-held vacuum, a carpet-cleaner, a canister vacuum, and the like. Each of the devices is powered by a battery pack which is interchangeable among the devices. The battery pack includes a combination of hardware and software for connecting to, identifying, and communicating with the cleaning products to ensure that each of the products receives the power necessary to ensure optimal performance. | 04-15-2010 |
20100107357 | ELECTRIC VACUUM CLEANER - Provided are rotary brush unit which is disposed inside suction port portion and in which two rotary shaft bodies each having brush are disposed in series and driving motor which separately rotates each of the rotary shaft bodies. With such a configuration, since it is possible to change a self-propelling direction of the suction port portion to the left and right direction in addition to the forward direction, it is possible to remarkably reduce the effort involved in an operation of changing the direction of the suction port portion. | 05-06-2010 |
20100205769 | SURFACE TREATING HEAD ASSEMBLY - A surface treating head assembly for an appliance such as a vacuum cleaner includes a head and a drivable agitator in the form of a brush bar, rotatably housed in a housing. A motor is arranged to drive a mechanism, such as cams arranged to adjust the position of the brush bar with respect to the housing. An electro-mechanical feedback arrangement, which may include an actuator, is arranged to bear against microswitches to control operation of the motor. Different faces of the actuator are arranged to act against different ones of the microswitches in accordance with different positions of the brush bar. The height of the brush bar is selectively controllable between the predetermined positions, such that the depth of penetration of the bristles of the brush bar may be optimized for different types of carpet. | 08-19-2010 |
20100242223 | CLUTCH ASSEMBLY - A clutch assembly for a surface treatment appliance includes an input clutch member, an output clutch member driven by the input clutch member, a motorized mechanism for effecting relative movement between the input clutch member and the output clutch member from an engaged position, in which torque is transmitted by the output clutch member to an output, to a disengaged position, in which torque is not transmitted to the output, and a control system for actuating the motorized mechanism. | 09-30-2010 |
20100242224 | CLUTCH ASSEMBLY - A clutch assembly for a surface treatment appliance includes an input clutch member, an output clutch member driven by the input clutch member, a control system for determining the difference between the rotational speeds of the input clutch member and the output clutch member, and a drive system for effecting relative movement between the input clutch member and the output clutch member from an engaged position, in which torque is transmitted by the output clutch member to an output, to a disengaged position, in which torque is not transmitted to the output, depending on said difference between the rotational speeds. | 09-30-2010 |
20100257693 | CLEANER HEAD - A cleaner head for a cleaning appliance includes a rotatable brush bar assembly, a motor for driving the brush bar assembly, and a drive mechanism connecting the motor to the brush bar assembly. The drive mechanism includes a rotatable input drive member connected to the motor, a rotatable output drive member connected to the brush bar assembly and moveable relative to the input drive member in a direction substantially orthogonal to the axes of rotation of the drive members, a belt connecting the input drive member to the output drive member, and a belt tensioning member located between the drive members for tensioning the belt by urging the output drive member away from input drive member. | 10-14-2010 |
20110179596 | VACUUM CLEANER BASE WITH AGITATOR DRIVE ASSEMBLY - An upright vacuum cleaner comprises a base assembly pivotally connected to an upright assembly. The base assembly comprises an agitator and an agitator drive assembly for selectively driving the agitator. The agitator drive assembly includes a drive disk coupled to a motor shaft, a driven disk which engages the drive disk, and a drive coupling between the driven disk to the agitator. The agitator drive assembly can further include a drive disengager for selectively interrupting the transmission of drive force to the agitator. The agitator drive assembly can further include a speed selector for adjusting the relative speed of rotation of the agitator. | 07-28-2011 |
20120144621 | CLEANER HEAD - A cleaner head for a cleaning appliance includes a rotatable agitator and an agitator chamber housing the agitator. The agitator includes a drive shaft, a flexible body connected to the drive shaft and surface engaging members mounted on the flexible body. The agitator chamber includes a downwardly-directed opening through which debris energized by the surface engaging members enters the cleaner head. The opening is located in a plane relative to which the flexible body is inclined so that, with rotation of the agitator, the surface engaging members protrude through the opening, preferably towards the front of the opening. | 06-14-2012 |
20120324674 | NOZZLE ASSEMBLY WITH ONE PIECE BODY - A nozzle assembly for a floor care appliance includes a one-piece body. The one-piece body has a first face and a second face that is opposed to the first face. The first face forms a first cavity while the second face forms a second cavity. A rotary agitator is received in the first cavity. A drive motor is received in the second cavity. | 12-27-2012 |
20130091663 | ATTACHMENT DEVICE FOR A VACUUM CLEANER - An attachment device for a vacuum cleaner includes a rotatable roller having at least one of bristles or flap-type agitating members. The rotatable roller has an axis of rotation extending transversely to a direction of advancement of the attachment device or vacuum cleaner, A motor is configured to rotate a motor shaft for driving the roller. The motor shaft extends transversely to the axis of rotation of the roller, A gear housing receives at least a portion of the roller and has an opening into which the motor shaft or a drive shaft coupled to the motor shaft extends. | 04-18-2013 |
20130192024 | BRUSHROLL CLEANING FEATURE WITH OVERLOAD PROTECTION DURING CLEANING - A cleaning device agitator system having an agitator and one or more cleaning members. The agitator has first and second ends, a longitudinal axis and one or more agitating devices. One or more friction surfaces may project from the spindle. The cleaning members are adjacent the agitator and adapted to move between a first position and a second position. In at least the second position, the cleaning members engage the agitator, such as by engaging the friction surfaces, to remove debris. Agitator and cleaning members may be incorporated into a cleaning head having an inlet nozzle and a chamber in which the agitator rotates, and there may be an activation mechanism using, for example, a resilient member to move the cleaning members. An overload protection device may be provided, and may adjust its sensitivity depending on whether the cleaning devices are in the first or second position. | 08-01-2013 |
20130205539 | CLEANER-HEAD FOR A VACUUM CLEANER - A cleaner head for a vacuum cleaner has a rotating brush bar driven by an air-cooled motor, which is mounted inside the cleaner head with at least a section of the motor being located inside the brush bar. To cool the motor in use, an external casing of the motor is provided a plurality of air-cooling holes comprising at least one air intake and at least one air exhaust. These cooling holes are connected—intake to exhaust—to form one or more air-cooling paths through the inside of the motor. Each air intake is connected to an upstream clean air inlet by a stationary—not rotating—intake duct, and each air exhaust is similarly connected to a downstream clean air outlet by a stationary—not rotating—exhaust duct. This avoids the problems associated with using the rotating brush bar itself as a duct for carrying cooling air to the motor. | 08-15-2013 |
20140283332 | SURFACE CLEANING APPARATUS - A vacuum cleaner is provided with a handle assembly drivingly connected to the surface cleaning head and comprising a multi-position brush control electrically coupled to the brush motor whereby the brush motor is operable in at least two different modes. An upright surface cleaning apparatus with a removable portable surface cleaning unit is also provided. The upright surface cleaning apparatus includes an air flow path extending from the cleaning head air outlet to the air treatment member air inlet and comprising a flexible electrified air flow conduit wherein the brush motor is electrically connected to the surface cleaning unit by a circuit that includes the flexible electrified air flow conduit, a handle assembly drivingly connected to the surface cleaning head and a brush control electrically coupled to the brush motor. | 09-25-2014 |
20140352104 | VACUUM CLEANER BRUSHROLL CLEANER CONFIGURATION - A vacuum cleaner head with a housing having a front end, a back end, a lower surface extending from the front end to the back end, and a suction opening through the lower surface. An agitator chamber is the suction opening, and a suction passage extends from the agitator chamber towards the back end. An agitator having a spindle and agitating devices is rotatably mounted to the housing. A cleaning member is movably mounted to the housing to move between a first position in which it does not engage the agitator, and a second position in which it engages the agitator to remove debris from the agitator during rotation of the agitator. A pedal extends from the back end of the housing and moves between a first pedal and a second pedal position to place the cleaning member in the second cleaning member position. | 12-04-2014 |
20160106277 | SURFACE CLEANING APPARATUS - A vacuum cleaner is provided with a handle assembly drivingly connected to the surface cleaning head and comprising a multi-position brush control electrically coupled to the brush motor whereby the brush motor is operable in at least two different modes. An upright surface cleaning apparatus with a removable portable surface cleaning unit is also provided. The upright surface cleaning apparatus includes an air flow path extending from the cleaning head air outlet to the air treatment member air inlet and comprising a flexible electrified air flow conduit wherein the brush motor is electrically connected to the surface cleaning unit by a circuit that includes the flexible electrified air flow conduit, a handle assembly drivingly connected to the surface cleaning head and a brush control electrically coupled to the brush motor. | 04-21-2016 |
20160113468 | Device for a Ringformed Scraper Intended for a Floor Treatment Machine - A device for a scrubbing-liquid scraper ring for a wet-scrubbing machine having a motor-driven rotatable brush. The scraper ring includes a plurality of flexible blade members that are tilted in relation to the ring's circumference and intended rotational direction and that are held in place in the scraper ring by respective quick-attachment mechanisms. A quick-attachment mechanism includes a manual actuation part and an attachment part that cooperates with a respective flexible blade member, and the attachment part is configured to move between a holding position and a releasing position. | 04-28-2016 |
015390000 | With clutch or other drive disconnect | 8 |
20080216283 | Vacuum cleaner base with belt drive disengager - An upright vacuum cleaner comprises a base assembly pivotally connected to an upright assembly. The base assembly comprises a foot-actuated belt drive disengaging mechanism and a ratchet operated nozzle height adjustment mechanism. | 09-11-2008 |
20100299867 | Vacuum Cleaner Agitator Clutch - A vacuum cleaner clutch assembly having an input driven by a motor, an output to drive an agitator, a starter clutch and a drive clutch. The starter clutch moves between an engaged position in which it receives a first drive torque from the input, and a disengaged position in which it receives substantially no torque directly from the input. The drive clutch is moveable between an engaged position in which it receives a second drive torque from the input, and a disengaged position in which it receives substantially no torque directly from the input. When engaged, the starter clutch is coupled to the drive clutch to transmit the first drive torque to the drive clutch to move the drive clutch into the engaged drive clutch position. When engaged, the drive clutch is coupled to the clutch assembly output to transmit the second drive torque to the output. | 12-02-2010 |
20100299868 | Vacuum Cleaner Overload Clutch - A vacuum cleaner overload clutch having an overload cog, a spring mount, and an overload spring. The spring is engaged with the cog to provide torque transfer, and disengaged from the cog to terminate torque transfer. The spring may not reengage until the parts stop rotating. A weight may be provided to bias the spring into the disengaged position, and the spring may have an engagement portion that is captured between the overload cog and a wall on the spring holder when the clutch is engaged. The clutch may be part of a system including a motor and agitator, and may have other features, such as a graduated engagement clutch. | 12-02-2010 |
20110078874 | Agitator Belt Drive Interrupt System - A floor care appliance has a body including a control assembly and a nozzle assembly, a rotary agitator carried on the nozzle assembly and a dirt collection vessel carried on the body. In addition a suction generator is carried on the body. The suction generator includes a fan and a drive motor. A belt operably connects the drive motor to the rotary agitator. An agitator drive interrupt mechanism includes an idler pulley support and first and second idler pulleys carried on the idler pulley support. The idler pulley support is displaceable between a first position wherein the idler pulleys tension the belt to provide drive to the rotary agitator and a second position wherein the idler pulleys de-tension the belt and interrupt drive to the rotary agitator. | 04-07-2011 |
20120005857 | VACUUM CLEANER WITH MODULAR CLUTCH ASSEMBLY - A vacuum cleaner comprises a user-controllable clutch assembly for selectively engaging an agitator assembly. The clutch assembly generally comprises an axially displaceable drive member that is selectively engageable by rotating ramps that engage stationary cam lobes. In one embodiment, the clutch module is mounted to the foot housing and is intermediately connected between the vacuum motor/fan shaft and the agitator. In a second embodiment, the clutch module is mounted axially on the agitator shaft. In a third embodiment, a linkage interconnects a handle detent pedal to the clutch module to automatically engage the clutch when a user depresses the detent pedal. | 01-12-2012 |
20140041153 | Device Comprising a Movably Arranged Functional Body and a Safety Mechanism for Stopping Movement of the Functional Body - A device for performing an action on a surface comprises at least one movably arranged functional body ( | 02-13-2014 |
20140359968 | ACTUATOR MECHANISM FOR A BRUSHROLL CLEANER - A vacuum cleaner head having a housing, supports extending downward from the housing to a support point, a suction opening, an agitator chamber above and in fluid communication with the suction opening, an agitator with a spindle rotatably mounted to the housing and one or more agitating devices projecting from the spindle, a cleaning member movably mounted to the housing to move to a position where it engages the agitator to remove debris from the agitator during rotation of the agitator, and a pedal connected to the housing and movable to a position to place the cleaning member in the cleaning position. The pedal has an activation surface configured to receive an activation force from an operator, and the activation surface is configured such that application of the activation force on the pedal generates a moment force to bias the agitator away from the downward direction. | 12-11-2014 |
20150320277 | Floor care appliance - A floor care appliance in the form of a brush vacuum cleaner having a brush set facing the floor for receiving a driven brush roller with an overload protection. A drive disk is mounted rotatably on the shaft and the shaft has a torque-proof output element to the brush roller and the drive disk is coupled via a torsion spring to a coupling disk which is displaceable axially on the shaft and which is coupled in a torque-proof manner via cams to the shaft. Ramps are formed on the drive disk which, above a torque threshold, axially adjust the coupling disk with corresponding ramps by relative twisting. A safety shutdown can be controlled via the adjusting movement via a corresponding switching element of a circuit arrangement. | 11-12-2015 |
015391000 | Belt or drive housings or other protective features | 8 |
20080209672 | Upright type cleaner - An upright type cleaner that uniformly provides a suction force through the whole area of a suction port. The upright type cleaner includes a body having a fan motor that generates suction force, a suction brush provided at a lower portion of the body and having a suction port to perform a cleaning operation relative to a floor using the suction force, a rotating drum installed in the suction brush, a belt connected between the rotating drum and the fan motor, a belt cover that guides the belt and divides the suction port into two suction areas, and a connection path through which the two suction areas are communicated to each other about the belt cover. | 09-04-2008 |
20080289142 | CLEANING APPARATUS WITH MOTORISED ENDLESS BELT - A motor-driven endless absorbent belt on an apparatus may be used for scrubbing or polishing surfaces, or removing liquid from surfaces. The belt is located about a cleaning head demountable from a housing for replacement of the belt, a roller mounted to the head and cooperating with a roller mounted to the housing to squeeze liquid and contaminants from the belt into a first reservoir in the housing. A driven roller mounted on the removable cleaning head preferably encloses a rotary motor, the belt being pinched between the driven roller and the housing-mounted roller. | 11-27-2008 |
20110203073 | BRUSH ROLL OF A VACUUM CLEANER - A vacuum cleaner has a brush roll which has a housing. A motor is disposed within the housing and has a pulley mounted on a shaft of the motor. A roller is disposed within the housing and has a drive wheel. A belt couples the pulley to the drive wheel, so that the motor can drive the roller. The roller has bristles for sweeping a surface to be cleaned. | 08-25-2011 |
20120090133 | ROBOT CLEANER - According to an embodiment of the present disclosure, an installation structure for an agitator installed in a dust suction unit of a robot cleaner to scatter foreign substances distributed in a working area comprises: a holder which is connected to a driving motor for providing a torque to the agitator and has a part exposed to the inside of the dust suction unit; and a fixing shaft for forming a rotation shaft of the agitator and having a shape of a polygonal pillar or a shape of a pillar including at least one projection, wherein a shaft insertion part is formed in the holder, has a dented shape corresponding to the shape of the fixing shaft, and can be engaged and rotated with the fixing shaft while the fixing shaft is inserted into and installed at the holder. According to an embodiment of the present disclosure, the easy separation and installation of the agitator and the enablement of simultaneous rotation of the agitator and a side brush can improve user satisfaction. | 04-19-2012 |
20130167321 | UPRIGHT TYPE CLEANER - An upright type cleaner that uniformly provides a suction force through the whole area of a suction port. The upright type cleaner includes a body having a fan motor that generates suction force, a suction brush provided at a lower portion of the body and having a suction port to perform a cleaning operation relative to a floor using the suction force, a rotating drum installed in the suction brush, a belt connected between the rotating drum and the fan motor, a belt cover that guides the belt and divides the suction port into two suction areas, and a connection path through which the two suction areas are communicated to each other about the belt cover. | 07-04-2013 |
20140196250 | VACUUM SUCTION BASE DEVICE WITH SWIVEL COUPLING - The principles and embodiments of the presently claimed invention relate to steerable, light-weight, low-profile suction bases for upright cleaning apparatuses that utilize a smaller suction base body to reduce weight and bulk, while still providing sufficient room for an internally mounted brush roll motor and controller PCB, plus additional mechanical and electrical components in the suction base. | 07-17-2014 |
20150359395 | Vacuum Brush Drive - A vacuum cleaner is described, the vacuum cleaner having a vacuum head with a housing, a suction port, a motor, and a brush. The brush is connected to a drive pully, the motor has a motor pinion, and a belt extends from the motor pinion to the drive pulley the belt having teeth with a rounded profile. | 12-17-2015 |
20160100727 | AGITATOR ASSEMBLY - An agitator assembly for a cleaning apparatus including an agitator having a body with first and second ends, and a first alignment formation and a first securing formation at or adjacent the first end; and a drive member operable to impart rotation about a drive axis, and a second alignment formation adapted to cooperate with the first alignment formation, and a second securing formation adapted to engage the first securing formation. Relative axial movement of the agitator in a first direction towards the drive member causes contact between the first and second alignment formations. Further relative axial movement of the agitator in the first direction causes relative rotation between the agitator and drive member and yet further relative axial movement of the agitator in the first direction causes engagement between the first and second securing formations, substantially to prevent further relative rotational movement between the agitator and drive member. | 04-14-2016 |