Abstract: An extractor cleaning machine includes a base or foot having a distribution nozzle and a suction nozzle. A suction source fluidly communicates with the suction nozzle, and a distributor fluidly communicates with the distribution nozzle. The distributor delivers cleaning fluid to the distribution nozzle and has first and second non-zero operating speeds. A first manually operable actuator associated with the distributor changes the distributor from the first operating speed to the second operating speed. The distributor also includes a third non-zero operating speed, and a second manually operable actuator associated with the distributor changes the distributor from the second operating speed to the third operating speed.

Abstract: A soiled surface cleaning system is described for pre spraying soiled surface areas, and for rinsing and extracting the pre sprayed soiled surface areas, wherein the pre spraying of the soiled surface areas does not have to be stopped in order to perform the rinsing and extracting of the pre sprayed soiled surface areas.

Abstract: A vacuum cleaner has a cleaning powder distribution system and an actuator connected to the powder distribution system for selectively dispensing powder from the powder distribution system to soiled spots on a floor surface. In addition, a cleaning fluid distribution system is adapted to selectively distribute a liquid cleaning solution to the soiled spot. A propellant, in the form of an aerosol or compressed gas can be used to distribute the cleaning powder to the floor. A method of cleaning a spot on a surface comprises applying a selected volume of fluid cleaning solution to a selected area on the surface to be cleaned, applying a selected amount of cleaning powder to the selected area and extracting the applied cleaning solution and cleaning powder from the selected area on the surface to be cleaned.

Abstract: A mobile robot includes: a main body; a drive unit that moves the main body; a contact force detecting unit that detects a contact force acting against an obstacle; and a controller that controls the drive unit to move the main body toward a target object under a condition that the contact force detected by the contact force detecting unit is in a predetermined range.

Abstract: A cleaning appliance is capable of performing two or more cleaning functions. The cleaning appliance may include a vacuum cleaner and a steam cleaner such that a user can vacuum a floor prior to steam cleaning the floor.

Abstract: A suction cleaner comprising a source of suction, for creating a suction airflow and a separator upstream of the source of suction, for separating and retaining entrained matter from the suction airflow, wherein the separator is adapted for separation of wet material from the suction airflow, the cleaner has a reservoir for liquid and there is a liquid delivery device for delivering the liquid into the suction airflow which enters the separator.

Abstract: A surface cleaning apparatus comprises a fluid delivery system including supplies of first and second fluids and a dispenser for distributing at least one of the fluids to the surface to be cleaned. The fluid delivery system can further include a mixing manifold that mixes the first and second fluids at different concentrations.

Abstract: A receptacle cleaning assembly for use with electrical connectors includes a receptacle washing fixture having a manifold body with a solution inlet and outlet. A plurality of nozzles, in communication with the solution inlet, are coupled with the manifold body and are arranged in a pattern corresponding to female connector receptacles. An interface seal is coupled with the manifold body. The plurality of nozzles extend through the interface seal, and the interface seal is configured to seal along a face of the connector. At least one solution return passage extends through the interface seal from an exterior of the plurality of nozzles to the solution outlet. An alignment skirt extends from the manifold body, and couples and aligns the connector receptacles with the plurality of nozzles. In another example, the receptacle cleaning assembly includes a receptacle brush fixture including a plurality of reciprocating brushes for use in the female connector receptacles.

Abstract: A steam appliance having a split handle with the upper part biased away from the handle base and an actuator for a water pump. When the appliance is pushed, the handle upper part is depressed and displaces a pump actuator to activate the pump. Use of a steam frame and steam towel allows an iron to be used as a steam cleaner. When a pole is mounted on the upper handle part, the appliance may be used as a steam mop that is activated by pushing the pole which depresses the handle to actuate the pump.

Abstract: A bare floor cleaner with an upright assembly pivotally mounted to a base assembly, a steam generator, a fluid distributor which distributes steam onto the surface to be cleaned, and a mop cloth provided on the base assembly. The mop cloth is mounted to the base assembly by a mop cloth plate that is removable from the base assembly.

Abstract: An autonomous movable vehicle including: a propelling device; a fluid receiving conduit having at least one fill opening through which a container can be filled; at least one fluid dispensing opening through which a fluid is dispensed; and a controller that causes the vehicle to autonomously approach a fluid delivery station that is separate from the vehicle and that causes the fill opening to couple to the fluid delivery station, wherein when the fill opening and the fluid delivery station are in an interfacing position, fluid is transferred from the fluid delivery station into the container, and the fill opening of the fluid receiving conduit is disposed at a location spaced apart from and to one side of a central mirror axis of the vehicle which axis extends in the direction of travel of the vehicle.

Abstract: A surface cleaning apparatus, and in particular a steam/vacuum mop, comprises a steam delivery system for generating and distributing steam onto a surface to be cleaned and a vacuum source mounted to at least one of the foot assembly and the handle assembly and in communication with multiple suction inlets, where one of the suction inlets are intermittently blocked.

Abstract: A dry-type cleaning chassis for cleaning a cleaning target by colliding the cleaning media with the cleaning target, the cleaning media being blown by an air flow includes an internal space where the cleaning media are to fly; an opening part being in contact with the cleaning target so that the cleaning media collide with the cleaning target; an air inlet duct introducing external air into the internal space; a suction port generating a first air flow caused by a circulating air flow in the internal space by suctioning the introduced external air; an injection port generating at least a second air flow increasing a speed of the cleaning media flown by the circulating air flow; and a porous unit passing objects removed from the cleaning target to a suction port side.

Abstract: A method and apparatus for the detection, treatment or collection of a quantity of solid animal excrement from a surface, particularly a grassy surface. The method includes the steps of autonomously or semi-autonomously detecting the presence of the excrement on the surface, moving a collection/treatment device into position over the detected excrement, and, thereupon, subjecting the detected excrement to one or more of deodorization, disinfection, enhancement of deterioration, dispersal and/or collection of the detected excrement. The apparatus of the present invention operates without the immediate or continued intervention of a human. Preferably, the device is robotic in nature, is readily portable, and preferably includes a rechargeable power source.

Abstract: An apparatus is provided that includes a substrate support assembly for holding the semiconductor substrate and a dispense head for applying a cleaning material to clean the contaminants from the substrate surface. The dispense head extends across a length of the semiconductor substrate and is positioned proximate to the substrate surface at a distance of between about 0.1 mm and about 4.5 mm. The proximate position enables application of a force to the cleaning material as it is applied to the substrate surface as a film, and the cleaning material provided through the dispense head contains a cleaning liquid, a plurality of solid components, and polymers of a polymeric compound, each of the plurality of solid components and polymers being greater than zero and less than 3% of the cleaning material, the plurality of solid components and the polymers are dispersed for application through the dispense head.

Abstract: A steam generator is provided that includes an external case having an opening that allows an internal space to communicate with an external environment. Additionally, the steam generator may be provided with a supplier that supplies water to the internal space, a heater provided to the opening to generate steam, an outlet pipe having a first side that communicates with the external environment to discharge steam, and a steam discharge controller provided to a second side of the outlet pipe to open/close the outlet pipe according to a presence or absence of a discharge of the steam.

Abstract: An extraction cleaner for a floor surface comprises a fluid delivery system for storing cleaning fluid and delivering the cleaning fluid to the surface to be cleaned and a fluid recovery system for removing the spent cleaning fluid and dirt from the surface to be cleaned and storing the spent cleaning fluid and dirt. The fluid delivery system includes at least one fluid distributor and the fluid recovery system includes an extraction nozzle. The extraction nozzle and the at least one fluid distributor can be simultaneously removed from the extraction cleaner.

Abstract: A surface cleaning apparatus, and in particular a steam mop, comprises a steam generator and a cleaning pad. Steam from the steam generator can be applied to a cleaning composition applied to a stain on a floor surface. The cleaning composition can be applied directly to the floor surface, or indirectly via the cleaning pad.

Abstract: A Multi-purpose truck for re-establishment of safe and practicable road conditions, after car accidents, through cleaning of the road platform, said truck being equipped by: several tanks, a high-pressure water gun for spraying cleaning products, a suction system suitable to remove, from the road platform, an emulsion that results from the addition of cleaning products to the debris on the road platform, and tanks containing the resulting emulsion to be temporarily stocked at a location, before being definitely delivered to special and authorized plants for disposal. The power supply, necessary to make the multi-purpose truck work properly, can be directly provided by the engine of the truck and/or any other point of energy transmission in the kinematic chain, or it can be directly provided by a pneumatic circuit previously installed on the same truck. The extracted energy can be used as a power supply for mechanical, electrical, or hydraulic devices.

Abstract: A cleaning system. The system has a steam mop, pad, and a cleaning solution. This combination provides synergistic cleaning benefits over prior art systems using steam alone and over prior art systems using cleaning solutions alone. The cleaning benefits include both the capability to clean larger areas and clean additional types of stains. The cleaning system may be used to clean hard surfaces, such as a floor.

Abstract: A cleaning tool (10) includes a cleaning head (11) and a handle (12) and is to be used with a cleaning sheet attached to the cleaning head (11). The cleaning head (11) has a gradual-liquid-release mechanism (16) including a liquid reservoir (14) and a gradual-liquid-release portion (15) that, by the action of hydrostatic pressure from above, gradually releases a liquid agent supplied to the liquid reservoir (14) to a cleaning face (17a) provided by a cleaning cushion (17) of the cleaning head (11) while causing the liquid agent to pass through a multitude of fine flow paths. The gradual-liquid-release portion (15) is provided continuously across substantially the entire width in the length direction of the substantially rectangular cleaning head (11) as viewed along the short-side direction of the cleaning head (11), the portion (15) provided facing the cleaning face (17a) of the cleaning head (11).

Abstract: An ultrasonic cleaner and scrubber is disclosed. The cleaner and scrubber includes a housing, dispenser reservoirs disposed within the housing and configured to hold at least one dispense liquid, collection reservoirs disposed within the housing and configured to hold at least one collected liquid, at least one dispenser port through which to dispense the held dispense liquid, an ultrasonic waveform emitter disposed upon an underside of the housing to provide ultrasonic waves to a floor surface at a user-selected frequency and at a user-selected intensity to vibrate the dispense liquid, once dispensed from the dispenser port, within and upon the floor surface to clean the floor surface, at least one suction and liquid and debris collection port, and a control panel handle disposed upon the housing and with which to hold and move the cleaner and scrubber and through which to access controls for use.

Abstract: System for washing and sterilizing endoscopes provided with multiple channels held by a sheath, comprising a machine connected by means of multiple connectors provided with safety valves to at least one case with hermetic closure into which the endoscope is positioned, in which each of the channels of the endoscope is connected by means of a connector, the inner space of the case is connected to at least one additional connector, in such a way as to inject the washing and sterilization liquids and/or the gases for emptying the channels or drying, into each of the channels of the endoscope and into the space of the case, in which the case is also provided with an outlet connector for system circulation, in which the case is detached after the working cycle of the machine and its inner space remains in sterile conditions.

Abstract: A multi-function surface cleaning apparatus includes a cleaning containment enclosure including a top surface and a plurality of walls connected to form a chamber therebetween, wherein each wall has an inner surface, an outer surface, and a bottom surface, a delivery lance fluidly connected to the top surface of the cleaning containment enclosure, a vacuum suction hose fluidly connected to the top surface of the cleaning containment enclosure, a gun trigger fluidly connected to a proximal end of the delivery lance, and a water pressure line fluidly connected to the gun trigger. The cleaning containment enclosure may include four walls configured to form a diamond-shaped cleaning containment enclosure. The cleaning containment enclosure further may include a plurality of relief vents that extends from the inner surfaces of the walls of the cleaning containment enclosure therethrough to the outer surfaces of the walls of the cleaning containment enclosure.

Abstract: A portable vacuum cleaning system includes a portable vacuum unit for cleaning debris. The vacuum unit is powered by a self-contained first electric power storage device and may be carried with a strap in backpack-fashion. The system also includes a cart defining a receptacle for receiving the vacuum unit. The vacuum unit may be used when supported by the cart or when carried by an operator. A second electric power storage device is supported by the cart and electrically connectable to the vacuum unit for charging the first electric power storage device when the vacuum unit is supported by the cart. Further, when disposed in the cart, the vacuum unit is disposed at an angle of about 45 degrees allowing for ease of movement of the cart.

Abstract: An apparatus for removing waste material from a surface is provided. In an embodiment, the apparatus includes a vacuum suction head and a waste receptacle for storing waste material that are vacuumed through the suction opening head. The waste receptacle has a discharge port through which waste material stored within said waste receptacle may be discharged for emptying said waste receptacle. A fluid passage is configured at one end to be connected to a source of pressurized water by a garden hose. A first spray nozzle is connected to an end of the fluid passage and configured to jet fluid from the fluid passage in a direction away from an operator and against material on the surface.

Abstract: A floor cleaner has a base assembly which comprises a body composed of an upper casing and a lower casing, a sweeping member mounted on the front side of the body, a steam generating member mounted at the rear side of the body, a pad tray with protrusions formed thereon to which a pad is attached, the protrusions made of a material that is softer than the material of the pad tray, and an attachment/detachment member that attaches and detaches the pad tray to and from the bottom face of the lower casing.

Abstract: A system and method are disclosed for an odor removal treatment system that includes a liquid oxidizing agent that includes a peroxide and water, a liquid buffering agent that includes a carbonate salt and water, and a cleaning device, wherein the liquid oxidizing agent is stored separately from the liquid buffering agent in a pre-application mode, and combinable with the liquid buffering agent to form a solution in an application mode just prior to applying the solution to a textile. The cleaning device may be a portable vacuum cleaning mechanism onboard a vehicle. The peroxide may be hydrogen peroxide and the solution may have a hydrogen peroxide weight percent of about 1.5%.

Abstract: A device for recovering a liquid disposed on a solid surface is provided. The device for recovering a liquid comprises a suction device for providing suction to a pickup head and a blowing device for providing an airflow to the pickup head. The pickup head comprises at least an input port for receiving an airflow and a blower opening for providing the airflow to the solid surface. A blower deflector directs the airflow through the blower opening at an acute angle to the solid surface. The airflow and an airborne portion of the liquid is received at a suction opening which is in fluid communication with at least an output port for being connected to a suction device providing suction. The received airflow with the airborne portion of the liquid is provided through the at least an output port. A divider is disposed between the blower opening and the suction opening. A separator is in fluid communication with the suction device and the at least an output port of the pickup head.

Abstract: Device for cleaning aeronautical parts after machining or piercing includes an element for spraying a liquid on the part to be cleaned and an element for aspirating the oil-soiled liquid, chips and/or dust.

Abstract: A floor cleaning machine includes a cleaning system, a front wheel, two rear wheels, and a drive mechanism. Each of the two rear wheels is independently driven by the drive mechanism. The operator is placed on the machine such that the operator is standing on a platform located along and above the geometrical center axis between the two rear wheels. The maximum vertical distance between the platform and the floor is 200 mm.

Abstract: Systems and methods for transferring heat and/or sound during liquid extraction and/or cleaning processes are disclosed. A fluid extraction system in accordance with a particular embodiment includes a fluid extractor having an outlet positioned to deliver extracted waste fluid, and a fluid tank operatively coupled to the extractor. A blower, having an air intake and an air outlet through which blower air passes, is operatively coupled to the extractor outlet to draw the extracted waste fluid from the extractor. A muffler is positioned at least partially within the liquid tank and has a flow path along which the blower air passes. In particular embodiments, the muffler can also provide a heat exchanger function, for example, to heat cleaning fluid provided to the extractor.

Abstract: The device for cleaning grooved surfaces of a moving transport, such as escalators and moving walkways, includes a frame supporting at least one vacuum pump and a plurality of vacuum heads and a plurality of brush heads. A carriage is attached relative to the frame to which at least one of the plurality of vacuum heads and brush heads are slidably attached. The carriage can be attached to the frame in a multitude of ways, including utilizing a four-bar linkage. The carriage is positionable between a stored position and a deployed position. Additionally, the carriage can be angularly adjustable to align with a horizontal plane of the grooved surface. A handle can be pivotably attached to the frame wherein pivotable movement of the handle is mechanically coupled to movement of the carriage between the stored and deployable positions.

Abstract: A vacuum cleaner device comprises a main body, a brush device, and a vacuum driven motor. The main body has a primary vacuum inlet, a secondary vacuum inlet, and a vacuum outlet. The secondary vacuum inlet is operatively connected to the vacuum outlet. The brush device is configured and adapted to reciprocate relative to the main body. The vacuum driven motor is adapted and configured to be rotationally driven by air passing through the secondary vacuum inlet to the vacuum outlet. The vacuum driven motor is operatively connected to the brush device in a manner such that rotation of vacuum driven motor causes the brush device to reciprocate relative to the main body.

Abstract: A spot cleaning apparatus has a housing, a fluid distribution system, a fluid recovery system, an agitation system, at least one UV light emitting element, an optional steam generator, and a controller to automatically monitor and control inputs and outputs to the systems for spot and stain removal and surface sanitization without attendance by a user. A suction nozzle, agitation machine, and optionally, at least one UV light emitting element are mounted to the housing for movement over the surface to be cleaned relative to a stationary housing. Optionally, the spot cleaning apparatus can be operated in manual mode.

Abstract: A rotary cleaning device having a plurality of flush pad extractors can provide improved debris removal and reduced residual material. More specifically, a rotary cleaning device can include a plurality of flush pad extractors which are oriented generally circumferentially about a common rotation axis. These unique flush pad extractors can include a fluid applicator and a vacuum member oriented behind the fluid applicator such that during operation of the device the fluid applicator contacts a surface to be cleaned prior to contact by the vacuum member. In accordance with the present invention, the fluid applicator provides passive delivery of fluid to the surface to be cleaned. Passive delivery of fluid allows for reduced fluid usage and more controlled and even distribution of fluid across a surface without overwetting.

Abstract: A hard surface cleaning appliance is disclosed. The hard surface cleaning appliance includes a cleaning head with a top surface and a bottom surface. The bottom surface is adjacent a surface to be cleaned. The cleaning head disperses cleaning fluid onto the surface to be cleaned, and subsequently vacuums up the cleaning fluid and dirt from the surface to the cleaned. The hard surface cleaning appliance includes an adaptor. Adjusting the adaptor adjusts the amount of pressure the cleaning head exerts on the surface to be cleaned. Having the capability to adjust the amount of pressure the cleaning head exerts on the surface to be cleaned allows the cleaning appliance to work on uneven surfaces such as tile, brick, or stone without the cleaning head getting stuck in cracks or crevices in the surface to be cleaned.

Abstract: A fluid collection system includes a disposable collection container and a disposable collection container receiving housing, the housing having a cavity and a suction source. The fluid collection container may include a flexible liner and a shelf for diverting fluid from the suction and to assist with a collapse of the liner during evacuation of the fluid from the liner. The collection container receiving housing may include a piston assembly having a main piston body and a scraper ring. The collection container receiving housing may include a piston stop feature. The system may include a partially hydrophobic filter and a flat surface suction tool.

Abstract: A portable vacuum wand for use with a surface maintenance machine, for collection of debris remote from the machine. The vacuum wand is detachable from a rear squeegee assembly of the surface maintenance machine, and includes a handle and a wand head. A vacuum conduit of the vacuum wand is adapted to be coupled to the rear squeegee assembly when not in use so as to provide vacuum to the rear squeegee assembly. A method of cleaning a floor surface with a surface maintenance machine and a portable vacuum wand is also provided.

Abstract: A surface cleaning apparatus, such as a steam mop or fluid delivery mop, comprises an upright housing and a foot coupled to the upright housing. The cleaning apparatus comprises an illumination element for illuminating a fluid supply tank and the contents therein. A cleaning pad can be mounted to a lower surface of the foot and positioned to contact the surface to be cleaned. A movable agitator provided on the foot is configured for movement between a first use position in contact with the surface to be cleaned and a second non-use position out of contact with the surface to be cleaned.

Abstract: The present invention relates generally to an apparatus for cleaning or otherwise treating a floored surface that includes a platform adapted to support the weight of an operator. In addition, one embodiment of the present invention is capable of generally performing 360° turns to facilitate the treatment of difficult to access portions of the floored surface.

Abstract: The steam cleaner with seal flap comprises a handle assembly further comprising a sprayer tube that channels pressured water to a sprayer nozzle to spray the pressured water to the area or surface to be treated and a collector tube channeling the used water back to the main unit where the used water is stored in a storage tank; a collector head assembly, located at a free end of the collector tube of the handle assembly, collecting the used water from the treated surface through a vacuum aperture at the lower end with a vacuum aperture edge being a pressure seal; and a seal flap movably attached to the head assembly to provide a secondary seal cover to preserve vacuum pressure in case the vacuum aperture edge is lifted from the floor surface. The seal flap also guides the water spray onto to the target surface area.

Abstract: An apparatus for cleaning a substrate is disclosed. The apparatus having a first head unit and a second head unit. The first head unit is positioned proximate to the surface of the substrate and has a first row of channels defined within configured to supply a foam to the surface of the substrate. The second head unit is positioned substantially adjacent to the first head unit and proximate to the surface of the substrate. A second and a third row of channels are defined within the second head unit. The second row of channels is configured to supply a fluid to the surface of the substrate. The third row of channels is configured to apply a vacuum to the surface of the substrate.

Abstract: An apparatus for cleaning surfaces, particularly solid surfaces, includes an outer housing and an inner housing configured to substantially encapsulate a surface being cleaned, a vacuum source traversing the outer housing, a rotating coupler, an impeller, at least one fluid jet coupled to the impeller, and at least one air induction port. The vacuum source is configured to induce air through the air induction ports past the impeller blades causing the impeller to rotate, which causes the rotating coupler and the fluid jets to rotate. Because the rotation of the fluid jets is due to induced air, the fluid jets can be positioned at any angle desired, including a negative angle.

Abstract: Electrical household appliance comprising a base (1) for the generation of steam, having a liquid tank (6) mounted removably on a receiving socket (10) and having a steam generator located outside of said tank (6), the steam generator being supplied by gravity by a supply line from the tank (6) and having a steam outlet through which the steam can escape towards a work tool, such as a crease-removing brush, said supply line comprising an inlet orifice located on the receiving socket (10), and said tank (6) comprising a closed enclosure (61) having only one outlet orifice (52) which connects the said inlet orifice when the tank is placed on the receiving socket (10), which appliance is characterized in that said tank (6) connects leaktightly onto said receiving socket (10) and in that said appliance has a vent line admitting air to the outlet orifice (52) of the tank, said vent line having one end connected to the exterior which is higher than the outlet orifice (52) of the tank.

Abstract: A device for removing spilled oil, oily substances or other liquids from a surface has a main body with a pair of handles towards its upper end and a cleaning head at the lower end. The cleaning head is fitted with rotary brushes and also contains a motor and drive gear. At the upper end of the main body, a flexible pipe is connected to a hollow passage formed by and extending through the main body via a short flexible pipe to the cleaning head. In the opposite direction, the flexible pipe extends to remote air pressure, vacuum and sorbent material sources. The device has three main modes of operation which are used in sequence to supply absorbent material (e.g., chipped bark) to the contaminated ground; then the absorbent material is massaged into the surface of the ground; and finally the absorbent material together with the liquid is removed.

Abstract: A sweeper assembly can include a plurality of holes drilled in one or more sweeper headers that can be angled downwards towards the basin floor to produce a gentle flow of fluid to keep particulate matter rolling along the basin floor. A centrifugal separator can include a curved velocity plate for smoothly directing flow from an inlet pipe to an inner wall of the separator and creating a downward vortex of particulate-laden fluid within the centrifugal separator. The centrifugal separator can include one or more reversal mechanisms for transferring particulate matter to a collection chamber and reversing the direction of particle-free fluid, which may upwardly exit through a discharge pipe. The centrifugal separator can include a bleed valve in the discharge pipe for automatically bleeding accumulated air in the “dead zone” between the inlet pipe and the top of the centrifugal separator.

Abstract: The invention relates to a device (1) in connection with a floor cleaning machine functioning with liquid. According to the invention a combined hub (5) for supporting a brush/disc (6) of a floor cleaning machine has three functions, viz. A: as a hub for a brush/disc for holding the same, B: as a distributor for the distribution of liquid to said machine, radially from the outside towards the centre of the hub, and C: as a distributor for the distribution of vacuum to said machine in order to suck up washing liquid from the machine.

Abstract: A cleaning system is disclosed that includes a vehicle that has a cooling system for circulating a coolant, a diverter coupled with the cooling system that is configured to divert the coolant through a heat exchanger, a pump configured to pump a cleaning solution through the heat exchanger so that the heat exchanger heats the cleaning solution without mixing the coolant and the cleaning solution, and a rotary head cleaner in fluid communication with the heat exchanger for receiving the cleaning solution and applying the cleaning solution to a floor.

Abstract: A surface cleaning apparatus, and in particular a steam/vacuum mop, comprises a steam delivery system for generating and distributing steam onto a surface to be cleaned and a vacuum source mounted to at least one of the foot assembly and the handle assembly and in communication with multiple suction inlets, where one of the suction inlets are intermittently blocked.