EP3223673B1 - Fussbodenreinigungsvorrichtung - Google Patents

Fussbodenreinigungsvorrichtung Download PDF

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Publication number
EP3223673B1
EP3223673B1 EP15804567.4A EP15804567A EP3223673B1 EP 3223673 B1 EP3223673 B1 EP 3223673B1 EP 15804567 A EP15804567 A EP 15804567A EP 3223673 B1 EP3223673 B1 EP 3223673B1
Authority
EP
European Patent Office
Prior art keywords
agitation
wiping
wiping elements
assembly
members
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.)
Active
Application number
EP15804567.4A
Other languages
English (en)
French (fr)
Other versions
EP3223673A1 (de
Inventor
Gavin Burnham
Jake Tyler
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.)
Techtronic Industries Co Ltd
Original Assignee
Techtronic Industries Co Ltd
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 Industries Co Ltd filed Critical Techtronic Industries Co Ltd
Publication of EP3223673A1 publication Critical patent/EP3223673A1/de
Application granted granted Critical
Publication of EP3223673B1 publication Critical patent/EP3223673B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L9/00—Details 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0472—Discs
    • 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
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/204—Floor surfacing or polishing machines combined with vacuum cleaning devices having combined drive for brushes and for vacuum cleaning
    • A47L11/206—Floor surfacing or polishing machines combined with vacuum cleaning devices having combined drive for brushes and for vacuum cleaning for rotary disc brushes
    • 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
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • A47L11/305—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools the tools being disc brushes
    • 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
    • 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
    • A47L11/4038—Disk 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
    • A47L9/00—Details 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools

Definitions

  • This invention relates to floor cleaning devices and in particular to devices suitable for cleaning a hard floor surface.
  • the bristles of standard brushes have a tendency to flay outwardly, so that over time the contact between the bristles and the surface is decreased. Bristles are adept at dislodging loose dirt and particles, but are less readily able to dislodge matter that has dried onto a surface (i.e. become stuck to the surface). Since bristles bend easily on contact with a hard object or engrained dirt, occasionally bristles provide inadequate frictional force to dislodge stubborn dirt.
  • US2012/144620 describes a cleaning head that provides two agitators with strips of bristles extending through its inlet.
  • US2003/033680 describes an electric toothbrush having an oscillating head with a rubbery cleaning element.
  • EP2449937 describes a cleaner having a pair of arms with counter-rotating agitators angled outwardly.
  • a floor cleaning device having a motor configured to drive an agitation assembly including an agitation member and a plurality of first wiping elements oriented generally perpendicular to the agitation member, such that, in use, relative movement occurs between the agitation assembly and the floor surface, the agitation member is oriented generally parallel to the floor surface and the first wiping elements are disposed generally perpendicular to and directed towards the floor surface, such that each of the first wiping elements is held in contact with the floor surface as the agitation assembly is driven, wherein the first wiping element is formed of one of: rubber, a thermoplastic elastomer, and Polyvinyl Chloride, and wherein the agitation member includes a plurality of second wiping elements formed of a different material to the first wiping elements.
  • a surface cleaning device 10 is shown.
  • the device is a floor cleaning device 10 suitable for cleaning a hard floor surface, but it should be understood that the principle of the invention may be applied to surface cleaning devices of any sort (such as window cleaning devices, for example, or devices for cleaning walls).
  • a device 10 for cleaning a surface having a motor 13 configured to drive an agitation assembly 20, the agitation assembly 20 including a first wiping element 42, such that relative movement occurs between the agitation assembly 20 and the surface to be cleaned as the agitation assembly 20 is driven, wherein the first wiping element 42 is formed of one of: rubber, a thermoplastic elastomer, and Polyvinyl Chloride.
  • the device 10 is a suction cleaner having a motor for generating suction, a body comprising a separator unit 16 and a dirt cup for storing separated dirt, wheels 18 for manoeuvring the device over a surface, and a handle 14 graspable by a user.
  • the device 10 has a surface-facing floor head 12 that provides a suction mouth 35 through which dirt-laden air is drawn into the device 10.
  • the floor head may simply provide a cleaning assembly for dislodging dirt from a surface, without using suction to remove the dislodged dirt.
  • the device 10 may form part of a detachable cleaning tool or cleaning attachment for use with a floor cleaning device or suction cleaner.
  • the device 10 has a motor 13 configured to drive an agitation assembly 20, the agitation assembly 20 including a first wiping element 42, such that the agitation assembly 20 is driveable so as to cause relative movement between the agitation assembly 20 and the surface to be cleaned.
  • the device 10 includes at least one first wiping element 42.
  • the first wiping element 42 is flexible, and provides a greater amount of friction through contact with the surface than a standard bristle, or group of bristles, of a brush cleaner.
  • the first wiping element 42 is durable and resilient, so that it returns to its natural state after deforming through contact with the surface, or with an object such as debris on the surface.
  • the first wiping element is formed of one of: rubber, a thermoplastic elastomer, and Polyvinyl Chloride. It will be understood that the term 'rubber' refers to a natural rubber, or to a synthetic rubber, which are both suitable.
  • the agitation assembly 20 When used in combination with a suction cleaner, and as shown in Figure 2 , the agitation assembly 20 may be disposed at and/or within the suction mouth 35 of suction channel of the floor head 12.
  • the agitation assembly 20 agitates dirt and debris lying on the surface directly below the suction mouth 35, so that the debris is loosened, enabling it to be sucked into the suction channel of the cleaner.
  • one of more wheels or rollers 33 may be provided behind the suction mouth 35, configured so as to allow the suction mouth 35 to sit close to the surface.
  • the agitation assembly 20 comprises an agitation member 24 on which at least one group of first wiping elements 42 is disposed, such that the first wiping elements 42 of the or each group are disposed adjacent the other first wiping elements 42 in that group.
  • the agitation assembly 20 comprises a plurality of agitation members 22, 24, 26, 28, 30.
  • Each of the first wiping elements 42 forms a protrusion extending from an agitation member 22, 24, 26, 28, 30.
  • Each of the elements 42 is substantially cylindrical, and may be tapered so as to be substantially frustoconical (as shown in Figure 3 ).
  • the protrusions may be elongate.
  • the first wiping elements 42 do not taper along their length (i.e. are cylindrical).
  • the first wiping elements 42 are substantially conical. As shown in Figure 3 , the first wiping elements 42 of the or each group are aligned with one another so as to form a row.
  • first wiping elements 42 may be small rounded protrusions, or spikes, rather than being elongate.
  • the agitation members include second wiping elements 40.
  • the second wiping elements 40 are formed of a different material to the first wiping elements 42.
  • the second wiping elements 40 each provide a lower frictional resistance on contact with the surface being cleaned than the first wiping elements 42.
  • the second wiping elements are bristles 40, which may be set out in patches or 'clumps'.
  • the first wiping elements 42 may be deployed amongst patches of bristles 40, to improve the cleaning performance of a standard bristled brush of a cleaning device.
  • the second wiping elements 40 are not formed of rubber, a thermoplastic elastomer, or Polyvinyl Chloride.
  • the agitation members 22, 24, 26, 28, 30 are adapted to rotate when driven by a motor 13.
  • Motors suitable for driving agitators are well known, and the choice of motor, and options for positioning and configuring the motor, would be apparent to the skilled person.
  • the motor 13 is arranged to drive at least one of the agitation members 22, 24, 26, 28, 30.
  • each agitation member 22, 24, 26, 28, 30 is driven independently by the motor 13, via a drive shaft connected to the agitation member 22, 24, 26, 28, 30.
  • each agitation member 22, 24, 26, 28, 30 has a body 34, and a plurality of arms 36 extending outwardly from the body 34.
  • the body 34 may be of a generally round shape.
  • a drive shaft (not shown) may be attached centrally to the body 34 (or received in an aperture or recess in the body), to transfer drive to the agitation member 22, 24, 26, 28, 30 from the motor 13.
  • Each arm 36 provides a base portion 38 to which bristles 40 are attached, or to which the first wiping elements 42 are be attached.
  • each agitation member 22, 24, 26, 28, 30 is driven so that it rotates about an axis that is inclined to the surface being cleaned.
  • the axis of rotation is generally perpendicular to the surface being cleaned.
  • one or more of the first wiping elements 42 is oriented so that its respective length extends generally perpendicular to the agitation member 22, 24, 26, 28, 30 and respective base portion 38.
  • the first wiping element 42 is formed as a protrusion (i.e. so that its 'length' may not be well-defined) the protrusion extends in a direction generally perpendicular from a surface of the agitation member 22, 24, 26, 28, 30.
  • the agitation member 22, 24, 26, 28, 30 is oriented generally parallel to the surface being cleaned, and the first wiping elements 42 project generally perpendicular to the surface being cleaned (and, in use, directly towards that surface).
  • first wiping elements 42 project substantially parallel to the axis of rotation of its respective agitation member 22, 24, 26, 28, 30.
  • the term 'parallel' is intended to include co-axial alignment.
  • the first wiping members 42 are each held in contact with the surface being cleaned as the agitation assembly is driven. So, the first wiping members 42 are each held in contact with the surface throughout a cleaning operation, as the agitation members 22, 24, 26, 28, 30 rotate.
  • a 'cleaning motion' is one complete rotation of the agitation member 22, 24, 26, 28, 30. In this way, the cleaning effect of those wiping members 42 is maximised, by maintaining cleaning contact.
  • Orientating the first wiping members 42 so that they are directed perpendicular to the surface means that a sufficient amount of friction may be generated to provide the desired cleaning performance.
  • the agitation members 22, 24, 26, 28, 30 are aligned across the width of the device 10 so as to provide agitation across a substantial width of the surface to be cleaned.
  • the agitation members are configured such that adjacent agitation members 22, 24, 26, 28, 30 rotate in opposite directions. So, for example, members 22, 26 and 30 may rotate clockwise, and members 24 and 28 may rotate anticlockwise. In such embodiments, portions (i.e. the arms) of adjacent agitation members 22, 24, 26, 28, 30 may mesh together as the agitation members 22, 24, 26, 28, 30 rotate.
  • the agitation members 22, 24, 26, 28, 30 may be disposed in other orientations and may be spaced from each other. In embodiments, the agitation members 22, 24, 26, 28, 30 may rotate in a common direction.
  • the agitation members 22, 24, 26, 28, 30 include a plurality of patches of second wiping elements 40 and a plurality of groups of first wiping elements 42.
  • the patches of bristles 40 and groups of first wiping elements 42 are disposed alternately about the axis of rotation of the body 34 of each agitation member 22, 24, 26, 28, 30, on alternate arms 36.
  • the device 10 may be configured so that the entire agitation assembly 20 is moveable between a deployed position in which at least a portion of the agitation assembly 20 is in contact with the surface, and a retracted position in which the agitation assembly 20 is spaced from the surface. In the retracted position, the second wiping elements 40 and first wiping elements 42 are not in contact with the surface. When the agitation assembly 20 is retracted, the device 10 may be manoeuvred across the floor more easily, with less resistance.
  • the device 10 may be configured so that the height of the agitation assembly 20, relative to the surface to be cleaned, is adjustable. In this way, the device 10 may be adapted for use on different surfaces, and the frictional contact between the agitation assembly 20 and the surface may be increased, or reduced, as desired.
  • the device 10 may also include a fluid dispenser for dispensing a fluid on the surface to be cleaned.
  • the fluid may be water (which may be dispensed as liquid, or as a mist, for example).
  • the fluid may include a cleaning agent.
  • the fluid dispenser dispenses fluid onto a portion of the agitation assembly 20. The fluid may be dispensed directly onto the rotating agitation members 22, 24, 26, 28, 30, for example, and subsequently applied to the surface being cleaned via the second wiping elements 40 and/or first wiping elements 42.
  • a separate brush strip or wiping strip 32 may be provided.
  • the wiping strip 32 may be a squeegee of the type generally known in the art.
  • the squeegee blade may be formed of a rubber material, for example.
  • the wiping strip 32 may be disposed in front of a suction mouth 35 of the cleaner, in the direction of travel.
  • first wiping elements As described, the ability of a device to remove stubborn dirt from the surface is greatly increased over the use of standard bristles alone.
  • the problems caused by the increased level of friction i.e. slowing the device, and resisting the movement of the agitators) are reduced by using both first wiping elements and second wiping element (typically bristles), in combination.
  • second wiping element typically bristles
  • the rotation of the agitation members means that substantially all of the floor surface being cleaned comes into contact with both types of agitator. Therefore, the cleaning advantages of each type of agitator are realised, whilst limiting any negative impact on the ease and speed of movement of the device.
  • agitators that rotate about an upright axis
  • the present invention also applies to agitators that rotate about an axis generally parallel with the surface - such as roller agitators, for example.
  • non-rotational agitators may be used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (14)

  1. Bodenreinigungsvorrichtung (10), wobei die Vorrichtung (10) einen Motor (13) aufweist, der ausgelegt ist, eine Agitationsbaugruppe (20) antreibt, die ein Agitationselement (22, 24, 26, 28, 30)und eine Vielzahl von ersten Wischelementen (42) einschließt, die generell senkrecht zum Agitationselement (22, 24, 26, 28, 30) derart orientiert sind, dass, im Gebrauch, relative Bewegung zwischen der Agitationsbaugruppe (20) und der Bodenfläche stattfindet, wobei das Agitationselement (22, 24, 26, 28, 30) generell parallel zur Bodenfläche orientiert ist und die ersten Wischelemente (42) generell senkrecht zu und in Richtung der Bodenfläche derart angeordnet sind, dass jedes der Wischelemente (42) in Kontakt mit der Bodenfläche gehalten wird, während die Agitationsbaugruppe (20) angetrieben wird, wobei das erste Wischelement (42) aus einem der folgenden gebildet ist: Gummi, einem thermoplastischen Elastomer und Polyvinylchlorid, und
    dadurch gekennzeichnet, dass das Agitationselement eine Vielzahl von zweiten Wischelementen (40) einschließt, die aus einem Material hergestellt sind, welches von den ersten Wischelementen (42) verschieden ist.
  2. Vorrichtung (10) nach Anspruch 1, wobei das erste Wischelement (42) ist eins von: wesentlich zylindrisch, wesentlich konisch oder wesentlich kegelstumpfförmig.
  3. Vorrichtung (10) nach irgendeinem vorhergehenden Anspruch, wobei wenigstens eine Gruppe von ersten Wischelementen (42) auf dem Agitationselement (22, 24, 26, 28, 30) derart angeordnet ist, dass die ersten Wischelemente (42) der oder jeder Gruppe nahe den anderen ersten Wischelementen (42) in jener Gruppe angeordnet sind.
  4. Vorrichtung (10) nach Anspruch 3, wobei die ersten Wischelemente (42) der oder jeder Gruppe miteinander in einer Reihe ausgerichtet sind.
  5. Vorrichtung (10) nach Anspruch 3 oder Anspruch 4, wobei jedes erste Wischelement einen länglichen Überstand bildet, der sich aus dem Agitationselement (22, 24, 26, 28, 30) erstreckt.
  6. Vorrichtung (10) nach irgendeinem vorhergehenden Anspruch, die eine Vielzahl von Agitationselementen (22, 24, 26, 28, 30) einschließt.
  7. Vorrichtung (10) nach irgendeinem vorhergehenden Anspruch, wobei das oder jedes Agitationselement (22, 24, 26, 28, 30) angepasst ist, sich bei Antrieb durch den Motor (13) um eine jeweilige Achse zu drehen, wobei die oder jede Drehachse generell senkrecht zur zu reinigenden Oberfläche ist.
  8. Vorrichtung (10) nach Anspruch 6 oder Anspruch 7, wobei sich die Agitationselemente (22, 24, 26, 28, 30) in einer gemeinsamen Richtung drehen.
  9. Vorrichtung (10) nach Anspruch 6 oder Anspruch 7, wobei sich angrenzende Agitationselemente drehen (22, 24, 26, 28, 30) in entgegengesetzte Richtungen drehen.
  10. Vorrichtung (10) nach Anspruch 9, wobei Abschnitte von angrenzenden Agitationselementen (22, 24, 26, 28, 30) ineinandergreifen, während sich die Agitationselemente (22, 24, 26, 28, 30) drehen.
  11. Vorrichtung (10) nach irgendeinem vorhergehenden Anspruch, wobei die zweiten Wischelemente (40) Borsten sind.
  12. Vorrichtung (10) nach Anspruch 11, wobei das oder jedes Agitationselement (22, 24, 26, 28, 30) eine Vielzahl von Stellen aus Borsten und eine Vielzahl aus Gruppen erster Wischelemente (42) einschließt.
  13. Vorrichtung (10) nach irgendeinem der vorhergehenden Ansprüche, die derart ausgelegt ist, dass die Agitationsbaugruppe (20) zwischen einer ausgefahrenen Position, in welcher wenigstens ein Abschnitt der Agitationsbaugruppe (20) in Kontakt mit der zu reinigenden Oberfläche ist, und einer eingefahrenen Position, in welcher die Agitationsbaugruppe (20) von der Oberfläche beabstandet ist, beweglich ist.
  14. Vorrichtung (10) nach irgendeinem vorhergehenden Anspruch, wobei die Vorrichtung (10) ein Saugreiniger ist.
EP15804567.4A 2014-11-24 2015-11-24 Fussbodenreinigungsvorrichtung Active EP3223673B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1420851.6A GB2532515B (en) 2014-11-24 2014-11-24 Floor cleaning device
PCT/GB2015/053566 WO2016083789A1 (en) 2014-11-24 2015-11-24 Floor cleaning device

Publications (2)

Publication Number Publication Date
EP3223673A1 EP3223673A1 (de) 2017-10-04
EP3223673B1 true EP3223673B1 (de) 2023-06-07

Family

ID=52292435

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15804567.4A Active EP3223673B1 (de) 2014-11-24 2015-11-24 Fussbodenreinigungsvorrichtung

Country Status (6)

Country Link
US (1) US20180177362A1 (de)
EP (1) EP3223673B1 (de)
CN (1) CN106998978A (de)
AU (1) AU2015352162B2 (de)
GB (1) GB2532515B (de)
WO (1) WO2016083789A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114652195B (zh) * 2020-12-23 2023-01-03 宁波方太厨具有限公司 一种用于清洁机的刷头模块及清洁机
CN114652198B (zh) * 2020-12-23 2023-05-26 宁波方太厨具有限公司 一种用于清洁机的刷头模块及清洁机
CN114732311B (zh) * 2022-03-16 2024-03-19 深圳市无限动力发展有限公司 一种扫地机

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Publication number Priority date Publication date Assignee Title
JPH0788062A (ja) * 1992-06-22 1995-04-04 Kowa:Kk 掃除機用吸入ノズルの回転ロータ
US6009593A (en) * 1995-08-11 2000-01-04 The Hoover Company Carpet extractor brush assembly
EP1700537A1 (de) * 2001-08-14 2006-09-13 Unilever N.V. Elektrische Zahnbürste
AR037545A1 (es) * 2001-11-20 2004-11-17 Glaxosmithkline Consumer Healt Cabeza para un cepillo de dientes electrico
US7225501B2 (en) * 2003-09-17 2007-06-05 The Hoover Company Brush assembly for a cleaning device
US7987552B2 (en) * 2004-11-17 2011-08-02 Techtronic Floor Care Technology Limited Floor care appliance with a plurality of cleaning modes
DE102006028034A1 (de) * 2006-06-14 2007-12-20 Leifheit Ag Bürste und Kehrgerät mit Bürste
CN102159125B (zh) * 2008-04-03 2015-06-17 创科地板护理技术有限公司 具有多个搅动器的地板清洁设备
US9072415B2 (en) * 2010-11-05 2015-07-07 Bissell Homecare, Inc. Bare floor vacuum cleaner
AU2011343024B2 (en) * 2010-12-14 2015-03-19 Dyson Technology Limited A cleaner head
EP2651279B1 (de) * 2010-12-14 2016-10-26 Dyson Technology Limited Reinigungskopf

Also Published As

Publication number Publication date
EP3223673A1 (de) 2017-10-04
GB201420851D0 (en) 2015-01-07
WO2016083789A1 (en) 2016-06-02
AU2015352162B2 (en) 2018-07-05
CN106998978A (zh) 2017-08-01
GB2532515B (en) 2021-04-14
AU2015352162A1 (en) 2017-06-15
GB2532515A (en) 2016-05-25
US20180177362A1 (en) 2018-06-28

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