EP3223673A1 - Floor cleaning device - Google Patents
Floor cleaning deviceInfo
- Publication number
- EP3223673A1 EP3223673A1 EP15804567.4A EP15804567A EP3223673A1 EP 3223673 A1 EP3223673 A1 EP 3223673A1 EP 15804567 A EP15804567 A EP 15804567A EP 3223673 A1 EP3223673 A1 EP 3223673A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- agitation
- wiping
- cleaned
- wiping elements
- assembly
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 35
- 238000013019 agitation Methods 0.000 claims abstract description 81
- 229920001971 elastomer Polymers 0.000 claims abstract description 12
- 239000005060 rubber Substances 0.000 claims abstract description 12
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 6
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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. It is well known to provide floor cleaning devices with driven agitators, to agitate debris lodged in a carpet or stuck to a floor surface. Agitators of many different types are known, including elongate cylindrical rollers, which may provide bristles or other forms of protrusion from the surface of the roller. Other devices include spinning scrubbers having brushes that rotate about axes generally perpendicular to the floor surface. The action of the brushes on the surface being cleaned dislodges dirt so that it is easier for the device to wipe the surface clean and/or to remove the dirt via suction.
- 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.
- a device for cleaning a surface 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 surface to be cleaned and each of the first wiping elements is held in contact with the surface to be cleaned as the agitation assembly is driven, wherein the first wiping element is formed of one of: rubber, a thermoplastic elastomer, and Polyvinyl Chloride.
- Figure 1 is a side view of an embodiment of a cleaning device according to the invention.
- Figure 2 is a cross-sectional view through a floor head of a cleaning device; and Figure 3 is a perspective view of a portion of an agitation assembly of a floor head.
- 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 13 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 preferably include one or more 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. So, where the agitation member 22, 24, 26, 28, 30 is oriented generally parallel to the surface being cleaned, the first wiping elements 42 project generally perpendicular to the surface being cleaned (and, in use, directly towards that surface).
- the 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.
- 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.
Abstract
Description
Claims
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 true EP3223673A1 (en) | 2017-10-04 |
EP3223673B1 EP3223673B1 (en) | 2023-06-07 |
Family
ID=52292435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15804567.4A Active EP3223673B1 (en) | 2014-11-24 | 2015-11-24 | Floor cleaning device |
Country Status (6)
Country | Link |
---|---|
US (1) | US20180177362A1 (en) |
EP (1) | EP3223673B1 (en) |
CN (1) | CN106998978A (en) |
AU (1) | AU2015352162B2 (en) |
GB (1) | GB2532515B (en) |
WO (1) | WO2016083789A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114652195B (en) * | 2020-12-23 | 2023-01-03 | 宁波方太厨具有限公司 | Brush head module for cleaning machine and cleaning machine |
CN114652198B (en) * | 2020-12-23 | 2023-05-26 | 宁波方太厨具有限公司 | Brush head module for cleaning machine and cleaning machine |
CN114732311B (en) * | 2022-03-16 | 2024-03-19 | 深圳市无限动力发展有限公司 | Floor sweeping machine |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0788062A (en) * | 1992-06-22 | 1995-04-04 | Kowa:Kk | Rotor for vacuum cleaner suction nozzle |
US6009593A (en) * | 1995-08-11 | 2000-01-04 | The Hoover Company | Carpet extractor brush assembly |
ES2272727T3 (en) * | 2001-08-14 | 2007-05-01 | Unilever N.V. | ELECTRIC TOOTHBRUSH. |
TW200302071A (en) * | 2001-11-20 | 2003-08-01 | Glaxosmithkline Consumer Healt | Toothbrush |
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 (en) * | 2006-06-14 | 2007-12-20 | Leifheit Ag | Brush and sweeper with brush |
EP2271243B1 (en) * | 2008-04-03 | 2015-01-21 | Techtronic Floor Care Technology Limited | Floor cleaning device with multiple agitators |
US9072415B2 (en) * | 2010-11-05 | 2015-07-07 | Bissell Homecare, Inc. | Bare floor vacuum cleaner |
EP2651280B1 (en) * | 2010-12-14 | 2016-11-02 | Dyson Technology Limited | A cleaner head |
KR101482555B1 (en) * | 2010-12-14 | 2015-01-14 | 다이슨 테크놀러지 리미티드 | A cleaner head |
-
2014
- 2014-11-24 GB GB1420851.6A patent/GB2532515B/en active Active
-
2015
- 2015-11-24 EP EP15804567.4A patent/EP3223673B1/en active Active
- 2015-11-24 AU AU2015352162A patent/AU2015352162B2/en active Active
- 2015-11-24 US US15/529,358 patent/US20180177362A1/en not_active Abandoned
- 2015-11-24 WO PCT/GB2015/053566 patent/WO2016083789A1/en active Application Filing
- 2015-11-24 CN CN201580062807.0A patent/CN106998978A/en active Pending
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2016083789A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2016083789A1 (en) | 2016-06-02 |
US20180177362A1 (en) | 2018-06-28 |
CN106998978A (en) | 2017-08-01 |
GB2532515A (en) | 2016-05-25 |
GB201420851D0 (en) | 2015-01-07 |
EP3223673B1 (en) | 2023-06-07 |
AU2015352162A1 (en) | 2017-06-15 |
GB2532515B (en) | 2021-04-14 |
AU2015352162B2 (en) | 2018-07-05 |
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