EP2229863A1 - Reinigungswerkzeug von Nassextrahierungszubehör - Google Patents

Reinigungswerkzeug von Nassextrahierungszubehör Download PDF

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Publication number
EP2229863A1
EP2229863A1 EP10156051A EP10156051A EP2229863A1 EP 2229863 A1 EP2229863 A1 EP 2229863A1 EP 10156051 A EP10156051 A EP 10156051A EP 10156051 A EP10156051 A EP 10156051A EP 2229863 A1 EP2229863 A1 EP 2229863A1
Authority
EP
European Patent Office
Prior art keywords
fluid
suction
roller element
turbine
outlet
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP10156051A
Other languages
English (en)
French (fr)
Inventor
Steven Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bissell Homecare Inc
Original Assignee
Bissell Homecare Inc
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 Bissell Homecare Inc filed Critical Bissell Homecare Inc
Publication of EP2229863A1 publication Critical patent/EP2229863A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts 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
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts 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
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts 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
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts 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
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits

Definitions

  • the invention relates to a wet extraction accessory tool for an extractor.
  • the invention relates to a hand-held turbine driven extractor tool for applying cleaning solution to a surface to be cleaned and wiping dirt and debris from the surface.
  • Extractors are known for deep cleaning carpets and other fabric surfaces, such as upholstery.
  • Most carpet extractors comprise a fluid delivery system, a fluid recovery system, and optionally an agitation system.
  • the fluid delivery system typically includes one or more fluid supply tanks for storing a supply of cleaning fluid, a fluid distributor for applying the cleaning fluid directly to the surface to be cleaned or to an intermediate cleaning member that subsequently contacts the surface to be cleaned, and a fluid supply conduit for delivering the cleaning fluid from the fluid supply tank to the fluid distributor.
  • the fluid recovery system typically comprises a recovery tank, a nozzle adjacent the surface to be cleaned (or in contact with an intermediate cleaning member in direct contact with the surface to be cleaned) and in fluid communication with the recovery tank through a working air conduit, and a vacuum source in fluid communication with the working air conduit to draw the cleaning fluid from the surface to be cleaned through the nozzle and the working air conduit to the recovery tank.
  • the agitation system can include an agitator element for scrubbing the surface to be cleaned, an optional drive means, and selective control means.
  • the agitation system can include a fixed or driven agitator element that can comprise a brush, pad, sponge, cloth, and the like.
  • the agitation system can also include driving and control means including motors, turbines, belts, gears, switches, sensors, and the like.
  • An example of an upright extractor is disclosed in commonly assigned U.S. Patent No. 6,131,237 to Kasper et al .
  • attachments have been developed for use with carpet extractors in order to adapt the carpet extractors to various cleaning scenarios, such as cleaning smaller spaces. These attachments typically connected to a suction hose of the carpet extractor. Many of these attachments include a miniature brush or other scrubbing element adapted to loosen dirt and moisture from a surface to be cleaned.
  • U.S. Patent No. 6,662,402 to Giddings et al discloses a soil transfer extraction cleaning method employing a roller assembly including a soil transfer cleaning medium to mechanically remove soil from the surface to be cleaned.
  • the method includes the steps of successively and repeatedly wetting a portion of the cleaning medium with a cleaning liquid, extracting any soil and at least some of the cleaning liquid from the previously wetted portion of the cleaning medium, and wiping the surface to be cleaned with the cleaning medium so as to transfer soil from the surface to be cleaned to the cleaning medium.
  • U.S. Patent No. 6,735,812 to Hekman et al discloses an apparatus having a cleaning implement in selective wiping contact with the surface to be cleaned; a cleaning solution dispenser that selectively wets a portion of the cleaning implement, a portion of the surface to be cleaned, or both; a first selectively controllable vacuum extractor tool to remove some of the dispensed cleaning solution and soil from the cleaning implement; and a second selectively controllable vacuum extractor tool which removes soil and some of the cleaning solution directly from the surface to be cleaned.
  • U.S. Patent No. 6,711,777 to Frederick et al discloses a turbine powered vacuum cleaner tool wherein a nozzle body encloses an agitator located adjacent an elongated suction inlet opening.
  • a turbine rotor is rotatably connected to the nozzle body and operatively connected to the agitator so that airflow generated by a remote suction source flows through the nozzle body and rotates the agitator.
  • U.S. Patent No. 6,658,693 to Reed discloses a hand-held extraction cleaner including a rotary agitation brush for agitating the surface to be cleaned.
  • the brush is driven by an air-powered turbine assembly that is fluidly connected between ambient air and the suction source.
  • carpet extractors deliver cleaning fluid directly to a surface to be cleaned or onto an agitation system which subsequently delivers the cleaning solution to the surface to be cleaned.
  • the surface to be cleaned is saturated with cleaning fluid and the cleaning solution, together with any entrained debris, is removed from the surface to be cleaned through a suction nozzle and collected via the fluid recovery system.
  • This extraction process commonly leaves behind some residual moisture in the surface to be cleaned.
  • the present invention employs an alternative fluid distribution and extraction system that reduces the amount of fluid applied to the surface to be cleaned, thus minimizing the residual moisture.
  • a hand-held accessory tool for use with a suction source and a fluid source comprises a main housing comprising a suction outlet and a fluid inlet, wherein the suction outlet is adapted to be operably coupled to the suction source, and the fluid inlet is adapted to be fluidly coupled to a fluid source; a roller element rotatably mounted in the housing and adapted to contact a surface being cleaned, the roller element comprising a soft, compressible, and absorbable cleaning medium; a turbine assembly associated with the main housing and comprising a turbine housing and a turbine fan rotatably mounted within the turbine housing, the turbine housing including one or more inlet apertures in fluid communication with the atmosphere and a turbine outlet in fluid communication with the suction outlet; and a drive mechanism operably coupled to both the turbine fan and to the roller element and adapted rotate the roller element.
  • the suction source when connected, rotates the turbine fan, and the rotation of the turbine fan operates the drive mechanism to rotate the roller element.
  • a fluid distributor is fluidly connected to the fluid inlet and is configured to distribute fluid to the roller element.
  • the fluid distributor can include a spray tip.
  • the fluid distributor can be a perforated bar that is positioned above the roller element and is connected to the fluid inlet through a solution tube.
  • a suction nozzle is mounted within the housing for contact with the roller element and is fluidly connected to the suction outlet the nozzle outlet, wherein operation of the suction source also draws air through the nozzle inlet.
  • the nozzle inlet is adapted to interface with the roller element to remove a portion of fluid and debris from the roller element upon operation of the suction source.
  • the drive mechanism is adapted to rotate the roller element in a direction so that the suction nozzle is circumferentially spaced from the fluid distributor in the direction of rotation of the roller element so as to remove the portion of fluid and debris from the roller element after the roller element has been wetted by the fluid distributor.
  • a hand-held wet extraction accessory tool 10 is designed for use with a remote suction source, such as a conventional carpet extractor or vacuum cleaner, and a remote fluid reservoir, such as one contained in the conventional carpet extractor or vacuum cleaner.
  • a remote suction source such as a conventional carpet extractor or vacuum cleaner
  • a remote fluid reservoir such as one contained in the conventional carpet extractor or vacuum cleaner.
  • An example of an upright extractor suitable for use with the invention is disclosed in U.S. Patent No. 6,131,237 to Kasper et al .
  • An additional example of a suitable upright extractor for use with the wet extraction accessory tool 10 is disclosed in U.S. Patent Application Publication US20090229069 to Lenkiewicz et al., published September 17, 2009 .
  • the wet extractor accessory tool 10 also includes a number of elements similar to those described with respect to the foot assembly disclosed in the Lenkiewicz et al. U.S. Patent Application Publication US20090229069 . These elements will not be described in details herein except as necessary for a complete understanding of the instant invention.
  • the accessory tool 10 comprises a main housing 12, a roller assembly 14 operatively coupled to an air powered turbine assembly 16, and a suction outlet 18 and fluid inlet 20 formed within the main housing 12.
  • the suction outlet 18 is adapted for removable connection to a remote suction source 40 by attaching a conventional vacuum hose (not shown) thereto in a known manner.
  • the fluid inlet 20 is adapted for removable connection to a remote fluid source 46, preferably pressurized, such as one contained in a carpet extractor or vacuum cleaner or a separate fluid reservoir, by attaching a conventional fluid supply hose (not shown) to the fluid inlet 20 in a known manner.
  • the roller assembly 14 can be rotatably mounted at a forward portion of the main housing 12 within a roller housing 22 connected to the main housing 12 by a snap fit.
  • the roller housing 22 can be formed integrally with the main housing 12.
  • the roller assembly 14 is mounted within the roller housing 22 such that it protrudes through a bottom opening 24 of the roller housing 22 for contacting a surface to be cleaned.
  • a suction nozzle 26 is mounted within a forward portion of the main housing 12 and is adapted to contact the roller assembly 14.
  • the suction nozzle 26 can be mounted in the main housing 12 in any suitable manner, such as by conventional fasteners in the form of screws, snaps, press fit or the like.
  • the suction nozzle 26 comprises a leading nozzle wall 28 and a trailing nozzle wall 30.
  • the suction nozzle walls 28, 30 form a conduit 36 therebetween and extending from a nozzle inlet 32 positioned near the roller assembly 14 to a nozzle outlet 34 at an opposite end of the conduit 36.
  • the leading and trailing nozzle walls 28, 30, respectively, are defined with respect to the direction of rotation of the roller assembly 14 during operation of the accessory tool 10, which is counter-clockwise as viewed in Fig.
  • the trailing nozzle wall 30 extends downwardly beyond the leading nozzle wall 28 and facilitates the extraction process as will be more fully described in the operation description below.
  • the nozzle outlet 34 is in fluid communication with a turbine conduit 38, which is coupled thereto in a manner preventing air and fluid leakage.
  • a first working air path (not shown) extends from the bottom opening 24, through the nozzle inlet 32, through the conduit 36, through the nozzle outlet 34, through the turbine conduit 38, and to the conventional vacuum hose through the suction outlet 18 at the end of the turbine conduit 38.
  • a turbine housing 42 and a gear housing 44 are integrally formed with the main housing 12 at one side thereof adjacent to the turbine conduit 38 and close portions of a drive mechanism.
  • the turbine housing 42 encloses a turbine fan (not shown), which is adapted to drive the roller assembly as is disclosed in the published U.S. Patent Application Publication No. US2006/0248680 A1 , which is incorporated by reference herein in its entirety.
  • the gear housing 44 encloses a gear train (not shown) that operatively connects a turbine fan shaft (not shown) to a drive belt (not shown) in a similar manner to the connection that disclosed in U.S. Patent Application Publication No. US2006/0248680 A1 .
  • the gear train of the drive mechanism of the instant invention can further comprise a gear reduction assembly (not shown) operatively connected to the turbine fan shaft and to the drive belt in order to drive the roller assembly 14 more slowly than in the drive mechanism disclosed in U.S. Patent Application Publication No. US2006/0248680 A1 .
  • the turbine housing 42 can comprise substantially circular and parallel sidewalls 52 connected by an outer curved annular wall 56 having a plurality of inlet apertures 58 formed therein.
  • the turbine housing 42 further comprises a turbine outlet 60 formed within the sidewall 52 adjacent the main housing 12 in order to fluidly coupled the interior of the turbine housing 42 with the remote suction source via the turbine conduit 38.
  • a detailed description of a suitable turbine-driven roller drive configuration is disclosed in U.S. Patent No. 6,658,693 .
  • a second working air path (not shown) flows from the atmosphere through the inlet apertures 58, through the turbine housing 42, and through the turbine outlet 60 into the turbine conduit 38, where it then joins the first working air path in the turbine conduit 38 and is carried through the suction outlet 18 and through the conventional suction hose connected to a remote suction source.
  • the second working air path also functions to rotate the turbine fan as it flows within the turbine housing 42 so as to rotate the turbine shaft, which serves as the driving force of the drive mechanism.
  • the accessory tool 10 also comprises a fluid distributor comprising a solution tube 66, a spray tip 68, and a coupling 70, all of which operate to selectively distribute cleaning fluid onto the roller assembly 14.
  • the solution tube 66 extends between the spray tip 68 and the coupling 70 and comprises a conventional fluid conduit adapted pass fluid under pressure from the coupling 70 to the spray tip 68.
  • the coupling 70 comprises a connector 72 formed integrally with the main housing 12 and forming the fluid inlet 20.
  • the connector 72 is adapted for removably receiving a conventional fluid supply hose, and a coupler 74 positioned between the connector 72 and the solution tube 66 provides an airtight fluid connection therebetween to fluidly couple the fluid supply hose to the solution tube 66.
  • the spray tip 68 is preferably positioned within the roller housing 22 and is positioned in a manner to uniformly distribute cleaning fluid directly onto the roller assembly 14 along a length of the roller assembly 14. As illustrated in FIG. 2 , wetting of the roller assembly 14 can be achieved by spraying, dripping, or otherwise supplying cleaning fluid directly onto the roller assembly 14 via the spray tip 68.
  • the spray tip 68 can be positioned to spray cleaning fluid onto a deflector wall (not shown), which, in turn, is adapted to expand or restrict the spray width accordingly.
  • the fluid distributor can include a fluid distribution bar that distributes fluid along the length of the roller element 80 by gravity flow.
  • the solution tube 66 receives fluid under pressure from when the connector 70 is connected to the conventional fluid supply hose, which is in turn connected to a source of pressurized fluid, such as a conventional fluid reservoir carried by a carpet extractor or vacuum cleaner.
  • the fluid accessory tool 10 can further comprise a dispensing actuator (not shown) of the conventional variety for controlling the dispensing of cleaning fluid through the spray tip 68.
  • the dispensing actuator can be provided on the accessory tool 10.
  • the dispensing actuator can be included near or on the remote suction source and/or remote source of fluid as disclosed in U.S. Patent No. 6,131,237 to Kasper et al .
  • the roller assembly 14 comprises a roller element 80 rotatably mounted within the roller housing 22.
  • the roller assembly 14 can comprise elements adapted to reversibly mount the roller assembly 14 within the roller housing 22 as disclosed in the Lenkiewicz et al. US20090229069 publication, such as but not limited to bearings, end caps, brush gears, and the like.
  • the roller element 80 is substantially similar to the roller element disclosed in the Lenkiewicz et al. US20090229069 publication.
  • the roller element 80 comprises a cylindrical roller frame 84 adapted to receive a roller axle 86.
  • the roller frame 84 can be surrounded by a soft, compressible and absorbable cleaning medium 88 comprising a suitable material or combination of materials, a non-limiting example of which is a Denier Nylon.
  • the roller element 80 can be sized slightly differently from the roller element disclosed in the Lenkiewicz et al. US20090229069 publication. Specifically, the nominal pile outer diameter is 1.08 inches [27.4mm] with a nominal nap depth of 0.25 inches [6.35mm].
  • a working region 90 is defined as a portion of the cleaning medium 88 extending a distance part-way inwardly from an outer peripheral surface 92 of the cleaning medium 88 towards the roller frame 84 such that the working region 90 is spaced from the roller frame 84.
  • the working region 90 is particularly pliable and is the primary interface between the surface to be cleaned and the fluid extraction system.
  • the roller assembly 14 When the accessory tool 10 is in the use position, the roller assembly 14 is compressed between the surface to be cleaned and the suction nozzle 26.
  • the trailing nozzle wall 30 of the suction nozzle 26 is longer than the leading nozzle wall 28 and extends below the leading nozzle wall 28. In operation, the leading nozzle wall 28 interfaces the cleaning medium 30 at or near the outer peripheral surface 92. The trailing nozzle wall 30 penetrates the pliable working region 90 of the cleaning medium 88.
  • the user can use a conventional actuator (not shown) on the remote suction source, on the accessory tool 10, or on the suction hose in a well-known manner to initiate the application of suction force via the conventional suction hose.
  • the second working air path drawn through the inlet apertures 58 of the turbine housing 42 rotates the turbine fan, which in turn rotates the turbine shaft and drives the drive mechanism to rotate the roller assembly 14.
  • the user can also actuate the dispensing actuator to start the flow of fluid from the remote fluid reservoir through the conventional fluid supply hose to the coupling 70.
  • Fluid passes through the coupling 70, into the solution tube 66, and through the spray tip 68 for distribution to the cleaning medium 88.
  • the spray tip 68 will convert the fluid into a fan-shaped pattern for even distribution onto the cleaning 88.
  • the fluid is subsequently absorbed by the working region 90.
  • the cleaning medium 88 is rotated in a forward or counter-clockwise direction via the drive mechanism as previously described by the movement of the turbine fan. Sufficient fluid is delivered to the working region 90 to saturate the cleaning medium 88.
  • the saturated working region 90 passes under the suction nozzle inlet 32 where the trailing wall 30 acts like a squeegee to remove excess fluid from the working region 90.
  • the slightly damp portion of the working region 90 continues to rotate and contacts the surface to be cleaned where residual fluid is transferred to the surface to be cleaned and loose debris is transferred from the surface to be cleaned to the working region 90.
  • the debris embedded working region 90 continues to rotate and passes beneath the spray tip 68 where additional cleaning fluid is applied.
  • the debris and fluid embedded working region 90 then passes beneath the suction nozzle inlet 32 where both loose debris and excess fluid are removed. This cycle is repeated at a rate sufficient to wipe the surface to be cleaned.
EP10156051A 2009-03-20 2010-03-10 Reinigungswerkzeug von Nassextrahierungszubehör Withdrawn EP2229863A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16192909P 2009-03-20 2009-03-20

Publications (1)

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EP2229863A1 true EP2229863A1 (de) 2010-09-22

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EP10156051A Withdrawn EP2229863A1 (de) 2009-03-20 2010-03-10 Reinigungswerkzeug von Nassextrahierungszubehör

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US (1) US20100236010A1 (de)
EP (1) EP2229863A1 (de)
CN (1) CN101836843A (de)

Cited By (2)

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FR3012313A1 (fr) * 2013-10-29 2015-05-01 Jean-Luc Parodi Appareil de lavage des sols a la vapeur par frottement utilisant une piece a frotter.
EP3795055A1 (de) * 2013-12-12 2021-03-24 Alfred Kärcher SE & Co. KG Bodenreinigungsmaschine

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EP2651279B1 (de) * 2010-12-14 2016-10-26 Dyson Technology Limited Reinigungskopf
ES2664969T3 (es) * 2010-12-14 2018-04-24 Dyson Technology Limited Cabeza de aspirador
CN104768440B (zh) * 2013-02-05 2017-04-05 皇家飞利浦有限公司 具有刷子和橡胶扫帚的喷嘴配置
DE102014114813A1 (de) 2014-10-13 2016-04-14 Alfred Kärcher Gmbh & Co. Kg Flächen-Reinigungsmaschine und Verfahren zum Betreiben einer Flächen-Reinigungsmaschine
UA118498C2 (uk) 2014-10-13 2019-01-25 Альфред Керхер Гмбх Унд Ко. Кг Машина для чистки поверхонь
DE102014114776A1 (de) 2014-10-13 2016-04-14 Alfred Kärcher Gmbh & Co. Kg Flächen-Reinigungsmaschine
EP3361924B1 (de) 2015-10-12 2023-08-09 Alfred Kärcher SE & Co. KG Flächen-reinigungsmaschine
US10092155B2 (en) 2015-10-28 2018-10-09 Bissell Homecare, Inc. Surface cleaning apparatus
DE102015221646A1 (de) * 2015-11-04 2017-05-04 Gebr. Schmid Gmbh Behandlungsfluid-Absaugvorrichtung und diese enthaltende Ätzvorrichtung
WO2017152973A1 (de) 2016-03-09 2017-09-14 Alfred Kärcher Gmbh & Co. Kg Flächen-reinigungsmaschine
DE102016111808A1 (de) * 2016-06-28 2017-12-28 Vorwerk & Co. Interholding Gmbh Feuchtreinigungsgerät mit einer rotierbaren Reinigungswalze
US10092156B2 (en) * 2017-01-18 2018-10-09 Michael Bravo Grout cleaning assembly
CN107049127A (zh) * 2017-04-20 2017-08-18 洛阳圣瑞智能机器人有限公司 一种磁吸附式擦玻璃机器人从动面
US11291345B2 (en) 2018-08-27 2022-04-05 Techtronic Floor Care Technology Limited Floor cleaner
CN114224236A (zh) * 2022-01-06 2022-03-25 帝舍智能科技(武汉)有限公司 一种拖扫一体清洁滚筒多喷嘴清洗装置、清洁工具及控制方法

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
FR3012313A1 (fr) * 2013-10-29 2015-05-01 Jean-Luc Parodi Appareil de lavage des sols a la vapeur par frottement utilisant une piece a frotter.
WO2015063386A1 (fr) * 2013-10-29 2015-05-07 Parodi Jean-Luc Appareil de lavage des sols à la vapeur par frottement utilisant une pièce à frotter
EP3795055A1 (de) * 2013-12-12 2021-03-24 Alfred Kärcher SE & Co. KG Bodenreinigungsmaschine
US11457790B2 (en) 2013-12-12 2022-10-04 Alfred Kärcher SE & Co. KG Floor cleaning machine
EP4186406A1 (de) * 2013-12-12 2023-05-31 Alfred Kärcher SE & Co. KG Bodenreinigungsmaschine mit stabeinrichtung
EP4190219A1 (de) * 2013-12-12 2023-06-07 Alfred Kärcher SE & Co. KG Bodenreinigungsmaschine
EP4193898A1 (de) * 2013-12-12 2023-06-14 Alfred Kärcher SE & Co. KG Bodenreinigungsmaschine mit abscheidereinrichtung
EP4193899A1 (de) * 2013-12-12 2023-06-14 Alfred Kärcher SE & Co. KG Bodenreinigungsmaschine mit kehrlippe

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