WO2022217044A1 - Surface cleaner - Google Patents

Surface cleaner Download PDF

Info

Publication number
WO2022217044A1
WO2022217044A1 PCT/US2022/024011 US2022024011W WO2022217044A1 WO 2022217044 A1 WO2022217044 A1 WO 2022217044A1 US 2022024011 W US2022024011 W US 2022024011W WO 2022217044 A1 WO2022217044 A1 WO 2022217044A1
Authority
WO
WIPO (PCT)
Prior art keywords
surface cleaner
hose
base
canister assembly
cleaning
Prior art date
Application number
PCT/US2022/024011
Other languages
French (fr)
Inventor
Mathieu Lhoste-Clos
Rafael DAVILA
Jeremy Hansen
Daniel GALLENO
Anthony FERRIGNO
Joshua CRAIG
Original Assignee
Techtronic Cordless Gp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Techtronic Cordless Gp filed Critical Techtronic Cordless Gp
Priority to CN202280035635.8A priority Critical patent/CN117320606A/en
Priority to AU2022255721A priority patent/AU2022255721A1/en
Priority to EP22726847.1A priority patent/EP4319611A1/en
Publication of WO2022217044A1 publication Critical patent/WO2022217044A1/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00Structural features of suction cleaners
    • A47L5/12Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/225Convertible suction cleaners, i.e. convertible between different types thereof, e.g. from upright suction cleaners to sledge-type suction cleaners
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02Floor surfacing or polishing machines
    • A47L11/20Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/201Floor surfacing or polishing machines combined with vacuum cleaning devices with supply of cleaning agents
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4002Installations of electric equipment
    • A47L11/4005Arrangements of batteries or cells; Electric power supply arrangements
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063Driving means; Transmission means therefor
    • A47L11/4069Driving or transmission means for the cleaning tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4075Handles; levers
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408Means for supplying cleaning or surface treating agents
    • A47L11/4083Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408Means for supplying cleaning or surface treating agents
    • A47L11/4088Supply pumps; Spraying devices; Supply conduits
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00Structural features of suction cleaners
    • A47L5/12Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/32Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with means for connecting a hose
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00Structural features of suction cleaners
    • A47L5/12Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/365Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023Recovery tanks
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02Nozzles
    • A47L9/04Nozzles with driven brushes or agitators
    • A47L9/0405Driving means for the brushes or agitators
    • A47L9/0411Driving means for the brushes or agitators driven by electric motor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/22Mountings for motor fan assemblies
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24Hoses or pipes; Hose or pipe couplings
    • A47L9/242Hose or pipe couplings
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A47L9/2878Dual-powered vacuum cleaners, i.e. devices which can be operated with mains power supply or by batteries
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/32Handles
    • A47L9/325Handles for wheeled suction cleaners with steering handle
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/32Handles
    • A47L9/327Handles for suction cleaners with hose between nozzle and casing

Definitions

  • the present invention relates to surface cleaners, and more particularly, a wet surface cleaner with more than one cleaning mode.
  • a surface cleaner including a body, a base pivotally coupled to the body and configured to move across a cleaning surface, a nozzle, a handle, and a canister assembly coupled to the body.
  • the body has a lower portion and an upper portion opposite the lower portion, the upper portion including the handle.
  • the base is coupled to the lower portion of the body.
  • the nozzle is positioned on the base adjacent the cleaning surface.
  • the canister assembly is removably coupled to the body.
  • the canister assembly includes a housing, a supply tank, and a recovery tank.
  • the surface cleaner further includes a hose having a first end coupled to the canister assembly fluidly connected to the recovery tank and a second end coupled to the base fluidly connected to the nozzle.
  • a suction source is in fluid communication with the recovery tank and is operable to draw fluid and debris through the hose into the recovery tank.
  • the surface cleaner is operable in an upright cleaning mode when the canister assembly is coupled to the body.
  • the surface cleaner is operable in an auxiliary cleaning mode when the canister assembly is uncoupled from the body.
  • the nozzle is movable over the cleaning surface by a user grasping the handle such that in operation debris and fluid are drawn through the nozzle, through the hose and into the recovery tank.
  • Fig. 1 is a perspective view of a surface cleaner according to one embodiment.
  • Fig. 2 is a perspective view of the surface cleaner of Fig. 1 shown with a canister assembly in a removed position.
  • FIG. 3 is a perspective view of the surface cleaner of Fig. 1 shown with a canister assembly in a removed position.
  • Fig. 4 is a perspective view showing a body and a base of the surface cleaner of Fig. 1.
  • Fig. 5a is a side view of a canister assembly of the surface cleaner shown in Fig. 1, according to one embodiment.
  • Fig. 5b is a side view of a canister assembly of the surface cleaner shown in Fig.
  • FIG. 6 is a perspective view of a cleaning tool, according to one embodiment.
  • Fig. 7 is a perspective view of a surface cleaner shown with a canister assembly in a removed position according to one embodiment.
  • Fig. 8 is a perspective view of the surface cleaner of Fig. 7 shown with a canister assembly in a removed position.
  • Fig. 9 is a front view of a canister assembly and a base of a surface cleaner according to one embodiment.
  • Fig. 10 is a perspective view of a surface cleaner according to an alternative embodiment.
  • Fig. 11 is a perspective view of a canister assembly of the surface cleaner of Fig.
  • the present disclosure relates to a surface cleaner, specifically a surface cleaner configured to recover and/or distribute cleaning liquid, with multiple different cleaning positions or modes.
  • the surface cleaner includes an upright cleaning mode, an auxiliary cleaning mode, and a lift-off cleaning mode. It is beneficial for the user to be able to have one machine that is able to serve multiple purposes.
  • the surface cleaner includes a canister assembly removably coupled to a body, the canister assembly having a housing, a recovery tank, and a supply tank. The surface cleaner operates in the upright cleaning mode when the canister assembly is coupled to the body. The surface cleaner operates in the auxiliary cleaning mode when the canister assembly is removed from the body.
  • Fig. 1 illustrates a perspective view of a surface cleaner 10 according to an embodiment of the invention.
  • the surface cleaner 10 is a surface cleaner that delivers a liquid, such as an extractor, a hard floor cleaner, or the like.
  • the surface cleaner 10 has a body 12 with a base 20 that supports the surface cleaner 10 on a cleaning surface.
  • the body 12 includes a lower portion 14 and an upper portion 16 opposite the lower portion 14.
  • the base 20 is pivotably coupled to the lower portion 14 and is configured to move across the cleaning surface.
  • the upper portion 16 includes a handle 22, opposite the base 20.
  • the base 20 is movable across the cleaning surface in an upright cleaning mode and an auxiliary cleaning mode by a user grasping the handle 22.
  • the surface cleaner 10 includes a canister assembly 28 that is removably coupled to the body 12.
  • the canister assembly 28 includes a housing 30, a suction source or motor 32, a supply tank 34, and a recovery tank 36.
  • the canister assembly 28 is movable between a coupled position, illustrated in Figs. 1 and 10, and an uncoupled position, illustrated in Figs.
  • a carrying handle 48 is positioned on the housing 30.
  • the carrying handle 48 provides a user graspable portion to move the canister assembly 28 between the coupled position and the removed position.
  • the canister assembly 28 may have different internal layouts of the motor 32, supply tank 34, and recovery tank 36.
  • the supply tank 34 and the recovery tank 36 are in a side by side orientation.
  • Side by side includes orientations where the supply tank 34 and the recovery tank 36 are adjacent and touching, as well as orientations where the supply tank 34 and the recovery tank 36 are separated by a frame portion 72, such as the housing 30 illustrated in Fig. 1.
  • the top end of the supply tank and the top end of the recovery tank are substantially the same level.
  • the motor 32 is located at an elevation below the supply tank 34 and the recovery tank 36. In the embodiments illustrated in Figs.
  • the supply tank 34 is positioned above the recovery tank 36.
  • the motor 32 is positioned at an elevation above the recovery tank 36 and adjacent the supply tank 34.
  • the motor 32 is positioned at an elevation below both the recovery tank 36 and the supply tank 34.
  • the surface cleaner 10 includes a nozzle 24 positioned on the base 20.
  • the nozzle 24 is in fluid communication with the suction motor 32 and the recovery tank 36.
  • the suction motor 32 generates a working airflow along an airpath extending from a suction inlet 52 on the nozzle 24 to an exhaust outlet 58, operable to draw debris and fluid from the cleaning surface through the suction inlet 52.
  • the working airflow extends through the hose 40 and into the recovery tank 36.
  • the hose 40 is coupled directly to the base 20 and is in fluid communication with the nozzle 24, allowing the suction motor 32 to draw fluid and debris from the nozzle 24 through the hose 40 into the recovery tank 36.
  • the hose 40 is configured to be uncoupled from the base 20.
  • the surface cleaner 10 includes a fluid distributor 50 positioned on the base 20.
  • the fluid distributor 50 is in fluid communication with the supply tank 34 through a fluid line 54, and the fluid distributor 50 is configured to provide a cleaning fluid to the cleaning surface.
  • the fluid line 54 extends along the hose 40. Fluid flows from the supply tank 34, through the fluid line 54, and out the fluid distributor 50 to the cleaning surface.
  • the fluid distributor 50 delivers fluid forward of the nozzle 24.
  • the fluid distributor is disposed to deliver fluid beneath the base 20 rearward of the nozzle 24.
  • the surface cleaner 10 includes the hose 40 with a first end 42 coupled to the recovery tank 36 and a second end 44 for drawing debris and fluid from the cleaning surface to the recovery tank 36.
  • the surface cleaner 10 is operable in the upright cleaning mode when the canister assembly 28 is coupled to the body 12 and the second end of the hose 44 is coupled directly to the base 20 in fluid communication with the nozzle 24.
  • the surface cleaner 10 is operable in the auxiliary cleaning mode when the canister assembly 28 is removed from the body 12, and the second end of the hose 44 is coupled directly to the base 20.
  • debris and fluid are vacuumed into the nozzle 24, through the hose 40, and into the recovery tank 36.
  • the recovery tank 36 is configured to contain the debris and/or fluid collected from the cleaning surface.
  • the upright cleaning mode enables the user to use the surface cleaner 10 in a familiar manner, similar to a traditional upright hard floor cleaner or upright extractor.
  • the canister assembly 28 is coupled to the body 12 and the base 20 is moved across the surface by the handle 22.
  • the auxiliary cleaning mode illustrated in Fig. 2 provides a different cleaning experience than in the upright cleaning mode. In the auxiliary cleaning mode, the canister assembly 28 is removed and the second end 44 of the hose is still coupled to the base 20.
  • the body 12 has a lower profile as well as a lighter weight. This lower profile operates similar to a traditional canister cleaner allowing the surface cleaner 10 to reach hard- to-reach areas, such as under a couch or a coffee table.
  • the surface cleaner 10 is operable in the lift-off cleaning mode when the canister assembly 28 is removed from the body 12 and the hose 40 is uncoupled from the base 20.
  • the nozzle 24 is configured to be removed from the base 20 and the second end 44 of the hose is coupled directly to the nozzle 24.
  • the lift-off cleaning mode allows the user to operate the surface cleaner 10 for spot-cleaning or above-floor cleaning.
  • the surface cleaner 10 may include an accessory cleaning tool 70 connectable to the second end 44 of the hose 40 in the lift-off cleaning mode.
  • the cleaning tool 70 includes a fluid distributor 50'.
  • the fluid distributor 50' is in fluid communication with the supply tank 34 through the fluid line 54', and the fluid distributor 50' is configured to provide a cleaning fluid to the cleaning surface.
  • the fluid line 54' extends along the hose 40. Fluid flows from the supply tank 34, through the fluid line 54', to the cleaning tool 70 and out the fluid distributor 50' to the cleaning surface.
  • the cleaning tool 70 includes an actuator 56 in fluid communication with the supply tank 34, fluid line 54', and the fluid distributor 50'.
  • the fluid distributor 50' is activated by the actuator 56, such as a user-graspable trigger.
  • the cleaning tool 70 is connectable to the second end of the hose 44 to fluidly connect the cleaning tool nozzle 52', 52" to the hose 40 and the cleaning tool fluid distributor 50' to the fluid line 54'.
  • the hose 40 is configured to be uncoupled from the base 20 while the canister assembly 28 is coupled to the body 12, and the second end 44 of the hose 40 connectable to the cleaning tool 70 for above-floor cleaning.
  • hose 40 connecting directly to the base 20 or the cleaning tool 70 is that the hose 40 creates a shorter and more direct airpath to recover debris and fluid from the cleaning surface. Secondly, it allows different constructions of the body 12 that allow a more compact and space efficient surface cleaner 10.
  • the body 12 is a collapsible such that the lower portion 14 and the upper portion 16 are adjacent in a collapsed position. This may be accomplished by having the upper portion 16 and lower portion 14 of the body 12 telescope together. Because there is no airflow to consider in the body 12, the construction of the telescopic body is simplified. In one embodiment, not shown, the body 12 is collapsible by folding, such that the upper portion 16 and handle 22 are folded to be adjacent to the lower portion 14 at a joint. The collapsibility of the body 12 reduces the size of the surface cleaner 10 for storage.
  • the surface cleaner 10 may also include an agitator 26 operatively positioned to engage the cleaning surface.
  • the agitator 26 is driven by an agitator motor 64.
  • the agitator 26 is configured to agitate the cleaning surface in both the upright cleaning mode and the auxiliary cleaning mode.
  • the agitator 26 is operatively positioned in the base 20.
  • the agitator 26 is operable in the upright cleaning mode and the auxiliary cleaning mode.
  • the cleaning tool 70 of Fig. 6 includes such on through the nozzle 52 to draw debris and fluid, but does not include a rotatable agitation feature.
  • the cleaning tool 70 includes bristles to enable manual agitation of the surface.
  • the surface cleaner 10 is powered by household electricity connected by a power cord 65 to the canister assembly 28.
  • Alternating current (AC) is supplied to the suction motor 32 by the cord 65 to power the suction motor 32 and controls of the surface cleaner 10.
  • the cord 65 powers the suction motor 32 when the canister assembly 28 is both coupled to (Fig. 1) and uncoupled from (Fig. 2) the body 12.
  • a power cord runs along or in the hose 40 to supply power from the canister assembly 28 via the power cord 65 to the agitator motor 64.
  • the base 20' includes a battery 62 that powers the agitator motor 64 when the canister assembly 28 is uncoupled (Fig. 7) from the body 12'.
  • the battery 62 is rechargeable.
  • the body 12' includes electrical contacts 67 and the canister assembly 28 includes corresponding electrical contacts that mate with the electrical contacts 67 of the body 12' when the canister assembly 28 is coupled to the body 12'.
  • power is supplied from the cord 65 to the canister assembly 28 and to the battery 62 via the contacts 67 to recharge the battery.
  • the agitator motor 64 is a direct current (DC) motor and the surface cleaner 10' includes an AC to DC converter.
  • the agitator motor 64 is powered by the battery 62 when the canister assembly 28 is both uncoupled from and coupled to the body 12'. In such an embodiment, the battery 62 is charged when the canister assembly 28 is coupled to the body 12'.
  • the surface cleaner 10 includes a first or primary battery 60 and the battery 62 of the base 20 is a secondary battery.
  • the first battery 60 powers the suction motor 32 and the secondary battery 62 powers agitator motor 64.
  • the surface cleaner 10 includes the primary battery 60 coupled to the canister assembly 28 to operate the suction motor 32.
  • the surface cleaner 10 includes the nozzle 24" positioned on the base 20, forward of the agitator 26".
  • the nozzle 24" includes the suction inlet 52" in fluid communication with the suction motor 32 to vacuum up debris and fluid.
  • the surface cleaner 10 is configured to operate in the upright cleaning mode or the auxiliary cleaning mode.
  • the cleaning tool 70' is connectable to the second end 44 of the hose 40 in the lift-off cleaning mode.
  • the cleaning tool 70' includes a suction inlet 52'" to vacuum debris and liquid from a surface.
  • the cleaning tool 70' further includes an agitator 26'" to agitate the surface in the lift-off cleaning mode.

Abstract

A wet surface cleaner operable in an upright cleaning mode, an auxiliary cleaning mode, and a lift-off cleaning mode. The surface cleaner has a canister assembly that is coupled to a body in the upright cleaning mode and removed from the body in the auxiliary cleaning mode and the lift-off cleaning mode.

Description

SURFACE CLEANER
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application claims priority to U.S. Provisional Patent Application No. 63/172,347, filed April 8, 2021, the entire contents of which are hereby incorporated by reference herein.
BACKGROUND
[0002] The present invention relates to surface cleaners, and more particularly, a wet surface cleaner with more than one cleaning mode.
SUMMARY
[0003] In one embodiment a surface cleaner is disclosed including a body, a base pivotally coupled to the body and configured to move across a cleaning surface, a nozzle, a handle, and a canister assembly coupled to the body. The body has a lower portion and an upper portion opposite the lower portion, the upper portion including the handle. The base is coupled to the lower portion of the body. The nozzle is positioned on the base adjacent the cleaning surface. The canister assembly is removably coupled to the body. The canister assembly includes a housing, a supply tank, and a recovery tank. The surface cleaner further includes a hose having a first end coupled to the canister assembly fluidly connected to the recovery tank and a second end coupled to the base fluidly connected to the nozzle. A suction source is in fluid communication with the recovery tank and is operable to draw fluid and debris through the hose into the recovery tank. The surface cleaner is operable in an upright cleaning mode when the canister assembly is coupled to the body. The surface cleaner is operable in an auxiliary cleaning mode when the canister assembly is uncoupled from the body. In the upright cleaning mode and in the auxiliary cleaning mode, the nozzle is movable over the cleaning surface by a user grasping the handle such that in operation debris and fluid are drawn through the nozzle, through the hose and into the recovery tank.
[0004] Other aspects of the invention will become apparent by consideration of the detailed description and accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0005] Fig. 1 is a perspective view of a surface cleaner according to one embodiment. [0006] Fig. 2 is a perspective view of the surface cleaner of Fig. 1 shown with a canister assembly in a removed position.
[0007] Fig. 3 is a perspective view of the surface cleaner of Fig. 1 shown with a canister assembly in a removed position.
[0008] Fig. 4 is a perspective view showing a body and a base of the surface cleaner of Fig. 1.
[0009] Fig. 5a is a side view of a canister assembly of the surface cleaner shown in Fig. 1, according to one embodiment.
[0010] Fig. 5b is a side view of a canister assembly of the surface cleaner shown in Fig.
1, according to an alternative embodiment.
[0011] Fig. 6 is a perspective view of a cleaning tool, according to one embodiment.
[0012] Fig. 7 is a perspective view of a surface cleaner shown with a canister assembly in a removed position according to one embodiment.
[0013] Fig. 8 is a perspective view of the surface cleaner of Fig. 7 shown with a canister assembly in a removed position.
[0014] Fig. 9 is a front view of a canister assembly and a base of a surface cleaner according to one embodiment.
[0015] Fig. 10 is a perspective view of a surface cleaner according to an alternative embodiment.
[0016] Fig. 11 is a perspective view of a canister assembly of the surface cleaner of Fig.
8, with the canister assembly in a removed position.
[0017] Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. DETAILED DESCRIPTION
[0018] The present disclosure relates to a surface cleaner, specifically a surface cleaner configured to recover and/or distribute cleaning liquid, with multiple different cleaning positions or modes. The surface cleaner includes an upright cleaning mode, an auxiliary cleaning mode, and a lift-off cleaning mode. It is beneficial for the user to be able to have one machine that is able to serve multiple purposes. The surface cleaner includes a canister assembly removably coupled to a body, the canister assembly having a housing, a recovery tank, and a supply tank. The surface cleaner operates in the upright cleaning mode when the canister assembly is coupled to the body. The surface cleaner operates in the auxiliary cleaning mode when the canister assembly is removed from the body.
[0019] Fig. 1 illustrates a perspective view of a surface cleaner 10 according to an embodiment of the invention. The surface cleaner 10 is a surface cleaner that delivers a liquid, such as an extractor, a hard floor cleaner, or the like. The surface cleaner 10 has a body 12 with a base 20 that supports the surface cleaner 10 on a cleaning surface. The body 12 includes a lower portion 14 and an upper portion 16 opposite the lower portion 14. The base 20 is pivotably coupled to the lower portion 14 and is configured to move across the cleaning surface. The upper portion 16 includes a handle 22, opposite the base 20. The base 20 is movable across the cleaning surface in an upright cleaning mode and an auxiliary cleaning mode by a user grasping the handle 22.
[0020] The surface cleaner 10 includes a canister assembly 28 that is removably coupled to the body 12. The canister assembly 28 includes a housing 30, a suction source or motor 32, a supply tank 34, and a recovery tank 36. The canister assembly 28 is movable between a coupled position, illustrated in Figs. 1 and 10, and an uncoupled position, illustrated in Figs.
2, 3, 7, 8, and 11. In the embodiment illustrated in Figs. 1-3 7-11, a carrying handle 48 is positioned on the housing 30. The carrying handle 48 provides a user graspable portion to move the canister assembly 28 between the coupled position and the removed position.
[0021] As shown in Figs. 5a and 5b, the canister assembly 28 may have different internal layouts of the motor 32, supply tank 34, and recovery tank 36. In the embodiment illustrated in Fig. 1, the supply tank 34 and the recovery tank 36 are in a side by side orientation. Side by side includes orientations where the supply tank 34 and the recovery tank 36 are adjacent and touching, as well as orientations where the supply tank 34 and the recovery tank 36 are separated by a frame portion 72, such as the housing 30 illustrated in Fig. 1. In one embodiment, the top end of the supply tank and the top end of the recovery tank are substantially the same level. In the side by side embodiment illustrated in Fig.1, the motor 32 is located at an elevation below the supply tank 34 and the recovery tank 36. In the embodiments illustrated in Figs. 5a and 5b, the supply tank 34 is positioned above the recovery tank 36. In the embodiment illustrated in Fig. 5a, when the canister assembly 28 is coupled to the body 12 and the body upper portion 16 is positioned above the lower portion 14, the motor 32 is positioned at an elevation above the recovery tank 36 and adjacent the supply tank 34. In the embodiment illustrated in Fig. 5b, when the canister assembly 28 is coupled to the body 12 and the body upper portion 16 is positioned above the lower portion 14, the motor 32 is positioned at an elevation below both the recovery tank 36 and the supply tank 34. The different orientations help optimize tank size, weight distribution, and user experience, among other factors, based on cleaning needs for the surface cleaner.
[0022] The surface cleaner 10 includes a nozzle 24 positioned on the base 20. The nozzle 24 is in fluid communication with the suction motor 32 and the recovery tank 36. The suction motor 32 generates a working airflow along an airpath extending from a suction inlet 52 on the nozzle 24 to an exhaust outlet 58, operable to draw debris and fluid from the cleaning surface through the suction inlet 52. The working airflow extends through the hose 40 and into the recovery tank 36. In the embodiment illustrated in Figs. 1, 2, 7, and 10, the hose 40 is coupled directly to the base 20 and is in fluid communication with the nozzle 24, allowing the suction motor 32 to draw fluid and debris from the nozzle 24 through the hose 40 into the recovery tank 36. In the embodiment illustrated in Fig. 3, the hose 40 is configured to be uncoupled from the base 20.
[0023] In the embodiment illustrated in Figs. 1 and 2, the surface cleaner 10 includes a fluid distributor 50 positioned on the base 20. As illustrated in Fig. 2, the fluid distributor 50 is in fluid communication with the supply tank 34 through a fluid line 54, and the fluid distributor 50 is configured to provide a cleaning fluid to the cleaning surface. The fluid line 54 extends along the hose 40. Fluid flows from the supply tank 34, through the fluid line 54, and out the fluid distributor 50 to the cleaning surface. In the illustrated embodiment, the fluid distributor 50 delivers fluid forward of the nozzle 24. In one embodiment, the fluid distributor is disposed to deliver fluid beneath the base 20 rearward of the nozzle 24. [0024] The surface cleaner 10 includes the hose 40 with a first end 42 coupled to the recovery tank 36 and a second end 44 for drawing debris and fluid from the cleaning surface to the recovery tank 36. As illustrated in Figs. 1 and 10, the surface cleaner 10 is operable in the upright cleaning mode when the canister assembly 28 is coupled to the body 12 and the second end of the hose 44 is coupled directly to the base 20 in fluid communication with the nozzle 24. As illustrated in Fig. 2, the surface cleaner 10 is operable in the auxiliary cleaning mode when the canister assembly 28 is removed from the body 12, and the second end of the hose 44 is coupled directly to the base 20. In both the upright cleaning mode and the auxiliary cleaning mode, debris and fluid are vacuumed into the nozzle 24, through the hose 40, and into the recovery tank 36. The recovery tank 36 is configured to contain the debris and/or fluid collected from the cleaning surface.
[0025] The upright cleaning mode enables the user to use the surface cleaner 10 in a familiar manner, similar to a traditional upright hard floor cleaner or upright extractor. The canister assembly 28 is coupled to the body 12 and the base 20 is moved across the surface by the handle 22. The auxiliary cleaning mode illustrated in Fig. 2 provides a different cleaning experience than in the upright cleaning mode. In the auxiliary cleaning mode, the canister assembly 28 is removed and the second end 44 of the hose is still coupled to the base 20.
This allows the user to use the handle 22 to guide the base 20 along the cleaning surface in the same manner as the upright cleaning mode. However, because the canister assembly 28 is removed, the body 12 has a lower profile as well as a lighter weight. This lower profile operates similar to a traditional canister cleaner allowing the surface cleaner 10 to reach hard- to-reach areas, such as under a couch or a coffee table.
[0026] As illustrated in Figs. 3, 8, and 11, the surface cleaner 10 is operable in the lift-off cleaning mode when the canister assembly 28 is removed from the body 12 and the hose 40 is uncoupled from the base 20. In one embodiment, the nozzle 24 is configured to be removed from the base 20 and the second end 44 of the hose is coupled directly to the nozzle 24. The lift-off cleaning mode allows the user to operate the surface cleaner 10 for spot-cleaning or above-floor cleaning.
[0027] The surface cleaner 10 may include an accessory cleaning tool 70 connectable to the second end 44 of the hose 40 in the lift-off cleaning mode. In the embodiment illustrated in Fig. 6, the cleaning tool 70 includes a fluid distributor 50'. The fluid distributor 50' is in fluid communication with the supply tank 34 through the fluid line 54', and the fluid distributor 50' is configured to provide a cleaning fluid to the cleaning surface. The fluid line 54' extends along the hose 40. Fluid flows from the supply tank 34, through the fluid line 54', to the cleaning tool 70 and out the fluid distributor 50' to the cleaning surface. In the embodiment illustrated in Fig. 6, the cleaning tool 70 includes an actuator 56 in fluid communication with the supply tank 34, fluid line 54', and the fluid distributor 50'. The fluid distributor 50' is activated by the actuator 56, such as a user-graspable trigger. The cleaning tool 70 is connectable to the second end of the hose 44 to fluidly connect the cleaning tool nozzle 52', 52" to the hose 40 and the cleaning tool fluid distributor 50' to the fluid line 54'.
In one embodiment, the hose 40 is configured to be uncoupled from the base 20 while the canister assembly 28 is coupled to the body 12, and the second end 44 of the hose 40 connectable to the cleaning tool 70 for above-floor cleaning.
[0028] One advantage to the hose 40 connecting directly to the base 20 or the cleaning tool 70 is that the hose 40 creates a shorter and more direct airpath to recover debris and fluid from the cleaning surface. Secondly, it allows different constructions of the body 12 that allow a more compact and space efficient surface cleaner 10.
[0029] In the embodiment illustrated in Fig. 4, the body 12 is a collapsible such that the lower portion 14 and the upper portion 16 are adjacent in a collapsed position. This may be accomplished by having the upper portion 16 and lower portion 14 of the body 12 telescope together. Because there is no airflow to consider in the body 12, the construction of the telescopic body is simplified. In one embodiment, not shown, the body 12 is collapsible by folding, such that the upper portion 16 and handle 22 are folded to be adjacent to the lower portion 14 at a joint. The collapsibility of the body 12 reduces the size of the surface cleaner 10 for storage.
[0030] The surface cleaner 10 may also include an agitator 26 operatively positioned to engage the cleaning surface. In one embodiment, the agitator 26 is driven by an agitator motor 64. The agitator 26 is configured to agitate the cleaning surface in both the upright cleaning mode and the auxiliary cleaning mode. In the embodiment illustrated in Fig. 2, the agitator 26 is operatively positioned in the base 20. In this embodiment, the agitator 26 is operable in the upright cleaning mode and the auxiliary cleaning mode. In the lift-off cleaning mode, the cleaning tool 70 of Fig. 6 includes such on through the nozzle 52 to draw debris and fluid, but does not include a rotatable agitation feature. In one embodiment, the cleaning tool 70 includes bristles to enable manual agitation of the surface. [0031] In the embodiment of Figs. 1-4, the surface cleaner 10 is powered by household electricity connected by a power cord 65 to the canister assembly 28. Alternating current (AC) is supplied to the suction motor 32 by the cord 65 to power the suction motor 32 and controls of the surface cleaner 10. In the illustrated embodiment, the cord 65 powers the suction motor 32 when the canister assembly 28 is both coupled to (Fig. 1) and uncoupled from (Fig. 2) the body 12. A power cord runs along or in the hose 40 to supply power from the canister assembly 28 via the power cord 65 to the agitator motor 64.
[0032] In an alternative embodiment illustrated in Figs. 7 and 8, the base 20' includes a battery 62 that powers the agitator motor 64 when the canister assembly 28 is uncoupled (Fig. 7) from the body 12'. The battery 62 is rechargeable. The body 12' includes electrical contacts 67 and the canister assembly 28 includes corresponding electrical contacts that mate with the electrical contacts 67 of the body 12' when the canister assembly 28 is coupled to the body 12'. When the canister assembly 28 is coupled to the body 12' power is supplied from the cord 65 to the canister assembly 28 and to the battery 62 via the contacts 67 to recharge the battery. Also, when the canister assembly 28 is coupled to the body 12' power is supplied from the cord 65 to the canister assembly 28 and to the agitator motor 64 via the contact 67 to power the agitator motor 64. In one embodiment, the agitator motor 64 is a direct current (DC) motor and the surface cleaner 10' includes an AC to DC converter. In another embodiment, the agitator motor 64 is powered by the battery 62 when the canister assembly 28 is both uncoupled from and coupled to the body 12'. In such an embodiment, the battery 62 is charged when the canister assembly 28 is coupled to the body 12'.
[0033] . In the embodiment of Figs. 7 and 8 that includes the battery 62, (described above) powering the agitator motor 64 with the battery 62 allows the power cord that runs along or in the hose 40 to be omitted. Omitting the power cord from the hose 40 provides a hose that is more flexible and less expensive to manufacture.
[0034] In the embodiment illustrated in Fig. 9, the surface cleaner 10" includes a first or primary battery 60 and the battery 62 of the base 20 is a secondary battery. The first battery 60 powers the suction motor 32 and the secondary battery 62 powers agitator motor 64.
When the canister assembly 28 is attached to the body 12', contacts on the canister assembly 28 connect to contacts 67 on the body 12' to deliver power to the agitator motor 64 and to recharge the secondary battery 62. In the embodiment illustrated in Fig. 9, instead of operating on household electricity, the surface cleaner 10" includes the primary battery 60 coupled to the canister assembly 28 to operate the suction motor 32.
[0035] In the embodiment illustrated in Fig. 10, the surface cleaner 10 includes the nozzle 24" positioned on the base 20, forward of the agitator 26". The nozzle 24" includes the suction inlet 52" in fluid communication with the suction motor 32 to vacuum up debris and fluid. In this arrangement, the surface cleaner 10 is configured to operate in the upright cleaning mode or the auxiliary cleaning mode. In the embodiment illustrated in Fig. 11, the cleaning tool 70' is connectable to the second end 44 of the hose 40 in the lift-off cleaning mode. The cleaning tool 70' includes a suction inlet 52'" to vacuum debris and liquid from a surface. The cleaning tool 70' further includes an agitator 26'" to agitate the surface in the lift-off cleaning mode.
[0036] Various features and advantages of the invention are set forth in the following claims.

Claims

CLAIMS What is claimed is:
1. A surface cleaner comprising: a body having a lower portion and an upper portion opposite the lower portion, the upper portion including a handle; a base pivotably coupled to the lower portion of the body and configured to move across a cleaning surface; a nozzle positioned on the base adjacent the cleaning surface; a canister assembly removably coupled to the body, the canister assembly includes a housing, a supply tank and a recovery tank; a hose having a first end coupled to the canister assembly and fluidly connected to the recovery tank and a second end coupled to the base and fluidly connected to the nozzle; and a suction source in fluid communication with the recovery tank, the suction source operable to draw fluid and debris through the hose into the recovery tank; wherein the surface cleaner is operable in an upright cleaning mode when the canister assembly is coupled to the body and the surface cleaner is operable in an auxiliary cleaning mode when the canister assembly is uncoupled from the body; and wherein in the upright cleaning mode and in the auxiliary cleaning mode the nozzle is movable over the cleaning surface by a user grasping the handle such that in operation debris and fluid are drawn through the nozzle, through the hose and into the recovery tank.
2. The surface cleaner of claim 1 wherein the second end of the hose is configured to be uncoupled from the base, and wherein the surface cleaner is operable in a lift-off cleaning mode when the canister assembly is uncoupled from the body and the second end of the hose is uncoupled from the base.
3. The surface cleaner according to claims 1 or 2, wherein the body is collapsible into a collapsed position such that the lower portion and the upper portion are adjacent in the collapsed position.
4. The surface cleaner of claim 3, where in the upper portion and the lower portion telescope together.
5. The surface cleaner as in any of the preceding claims, wherein the supply tank is fluidly connected to a fluid line extending along the hose to a fluid distributor positioned on the base, the fluid distributor configured to distribute fluid to the cleaning surface.
6. The surface cleaner of claim 5, wherein the surface cleaner includes an actuator in fluid communication with the fluid line to selectively dispense fluid from the supply tank through the fluid distributor.
7. The surface cleaner as in any of the preceding claims, wherein the housing includes a carrying handle.
8. The surface cleaner as in any of the preceding claims, wherein the second end of the hose is configured to be uncoupled from the base, and wherein the nozzle is removable from the base and connectable to the second end of the hose.
9. The surface cleaner of claim 8, wherein the nozzle is coupled to the base in the upright cleaning mode and the auxiliary cleaning mode and the nozzle is removed from the base and connected to the second end of the hose in the lift-off cleaning mode.
10. The surface cleaner as in any of the preceding claims 5 through 9, wherein the second end of the hose and the fluid line are configured to be uncoupled from the base, and wherein the surface cleaner further comprises a cleaning tool having a cleaning tool nozzle and a cleaning tool fluid distributor, wherein the cleaning tool is connectable to the second end of the hose fluidly connecting the cleaning tool nozzle to the hose and the cleaning tool fluid distributor to the fluid line.
11. The surface cleaner as in any of the preceding claims, wherein the supply tank and the recovery tank are in a side by side orientation.
12. The surface cleaner as in any of the preceding claims, wherein when the canister assembly is coupled to the body and the body upper portion is positioned above the lower portion, the motor is positioned at an elevation below the supply tank.
13. The surface cleaner as in any one of claims 1 through 10, wherein when the canister assembly is coupled to the body and the body upper portion is positioned above the lower portion, the supply tank is positioned at an elevation above the recovery tank.
14. The surface cleaner of claim 13, wherein the motor positioned at an elevation below the supply tank.
15. The surface cleaner as in any of the preceding claims, wherein when the canister assembly is coupled to the body and the body upper portion is positioned above the lower portion, the motor is positioned at an elevation above the recovery tank.
16. The surface cleaner of as in any one of claims 1 through 14, wherein when the canister assembly is coupled to the body and the body upper portion is positioned above the lower portion, the motor is positioned at an elevation below the recovery tank.
17. The surface cleaner as in any of the preceding claims, wherein the suction source is operable to generate a working airflow along an airpath extending from a suction inlet to an exhaust outlet, wherein the airpath is external to the body upper portion.
18. The surface cleaner of claim 17, where the airpath is external to the body lower portion.
19. The surface cleaner as in any of the preceding claims, wherein the hose is flexible.
20. The surface cleaner as in any of the preceding claims, wherein the base includes an agitator driven by an agitator motor.
21. The surface cleaner of claim 20, wherein the agitator motor is powered by a battery positioned on the base.
22. The surface cleaner of claim 20, further comprising a power cord configured to provide alternating electrical current to the suction source.
PCT/US2022/024011 2021-04-08 2022-04-08 Surface cleaner WO2022217044A1 (en)

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AU2022255721A AU2022255721A1 (en) 2021-04-08 2022-04-08 Surface cleaner
EP22726847.1A EP4319611A1 (en) 2021-04-08 2022-04-08 Surface cleaner

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AU2022255721A1 (en) 2023-11-23
US20220322896A1 (en) 2022-10-13
CN117320606A (en) 2023-12-29

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