EP2910168A1 - Tête d'aspirateur - Google Patents
Tête d'aspirateur Download PDFInfo
- Publication number
- EP2910168A1 EP2910168A1 EP15154167.9A EP15154167A EP2910168A1 EP 2910168 A1 EP2910168 A1 EP 2910168A1 EP 15154167 A EP15154167 A EP 15154167A EP 2910168 A1 EP2910168 A1 EP 2910168A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- head
- vacuum cleaner
- suction mouth
- cleaner head
- head portion
- 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
Images
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
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
- A47L9/0666—Nozzles with fixed, e.g. adjustably fixed brushes or the like with tilting, floating or similarly arranged brushes, combs, lips or pads
-
- 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
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
Definitions
- This invention relates to a vacuum cleaner head and more particularly to a vacuum cleaner head for cleaning carpets.
- Vacuum cleaners always comprise some form of head which can engage the floor to pick up dirt and dust.
- upright cleaner the head is pivoted to an upright body which contains means for separating and collecting the dirt and dust that it drawn into the cleaner by the induced airflow.
- canister cleaner the head is provided at the end of a tubular wand that is connected to the body of the cleaner via an elongate flexible duct.
- the body of the cleaner contains means for separating collecting the dirt and dust that is drawn into the cleaner by a motor and fan unit and disposed in the body.
- the head of the canister cleaner may be detachable, so that the user can fit other kinds of cleaning tools to the wand.
- a vacuum cleaner head having a head portion which is tiltably attached to a body portion, the head portion comprising a transversely extending suction mouth on the underside thereof, the suction having front and rear working edges, the head further comprising means for tilting the head portion such that the suction mouth faces rearwardly when the head is moved forwardly across a floor surface and vice-versa to respectively lower front and rear working edges of the suction mouth into engagement with the floor surface, wherein an elongate depending blade extends longitudinally of the suction mouth at a position between the front and rear working edges thereof, the blade comprising a lower edge which lies below the front and rear working edges.
- the head portion tilts such that the front edge of the suction mouth forms a working edge which sinks slightly into the carpet pile to a greater extent than the rear working edge.
- This action causes three effects. Firstly it impedes the air flow into the suction mouth from the front of the head and stops any surface dust being pulled deeper into the carpet pile. Secondly, it spreads and parts adjacent rows of fibres of the carpet pile, thereby allowing airflow from the bottom of the carpet where dirt and dust may have collected. Thirdly, it causes the resiliently flexible fibres to bend as they pass under the working edge: the fibres then quickly recover their shape and this action dislodges any dust and propels it into the suction airflow.
- the strength of propulsion upon the individual carpet fibres is the main mechanism that causes the release of dust from the carpet pile. Airflow within the suction mouth carries the propelled dust into the cleaner. If no airflow were present, a significant amount of dust would still be propelled and released from the carpet pile as the head moves across the carpet but would eventually fall back into the pile.
- the presence of the protruding blade behind the front edge similarly causes the second and third of above-mentioned effects to be repeated a second time and therefore provides an additional mechanism to agitate and propel dust from the pile of the carpet, thereby maximising the cleaning efficiency by enabling dirt and dust which had not been picked up the first time by the action of the front edge to be picked up.
- the forwards and rearwards tilting of the head portion plays a vital role in allowing the head to function correctly.
- the tilting arrangement allows the bottom surface of the head portion to rotate forwards and backwards to engage and compress the carpet pile adequately on each stroke. At the same time it must also force a greater amount of airflow under the non working edge of the suction mouth to cause entrainment and carry the propelled air-borne dust into the cleaner.
- the underside of the head portion comprises a bottom surface which defines said transversely extending suction mouth, the bottom surface having front and rear surface portions which respectively extend upwardly and away from the front and rear working edges of the mouth respectively, the lower edge of the blade lying below the bottom surface of the head portion.
- the blade is formed of a resiliently flexible material bends and which helps to improve the separation of the carpet fibres, preferably to a greater extent than the separation caused by the action of the front edge.
- the front and rear portions of the bottom surface are preferably smooth and preferably planar.
- the suction mouth comprises front and rear side walls, the angle between the front and rear side walls and the respective portions of the bottom surface is acute and preferably in the range of 65-75 degrees and most preferably 70 degrees.
- the front and rear edges of the suction mouth are sharp and preferably comprise a radius of less than 0.5mm.
- the blade may extend the full length of the suction mouth or a part or parts thereof.
- the head portion is arranged to tilt in the appropriate direction by frictional engagement between the underside of the head portion and the floor surface being cleaned as the head is moved forwardly and rearwardly.
- a vacuum cleaner comprising a vacuum cleaner head as hereinbefore described.
- FIG. 1 to 3 of the drawings there is shown a vacuum cleaner head 10 in accordance with the present invention for fitting to a canister vacuum cleaner, the rear of the head 10 comprising a rearwardly-extending tubular suction outlet 11 for releasably coupling to the distal end of a tubular wand of the cleaner.
- a motor and fan unit in the body of the cleaner (not shown) draws air through the head 10 via the wand.
- the head 10 comprises a rear body portion 12, from which the outlet 11 extends.
- a central roller 13 is mounted to the underside of the body portion 12.
- An arm 14 extends forwardly from the body portion 12 and is pivotally connected thereto for rotation about a first axis X1, which extends transverse the head 10 and which also forms the rotational axis for the roller 13.
- a head portion 15 comprises a hollow housing 16 which is substantially T-shaped in plan.
- a housing 16 comprises a bottom wall 17, which defines an elongate suction mouth 18 which extends transversely of the head 10.
- the suction mouth 18 is connected to the suction outlet 11 via an L-shaped duct 19 and a flexible duct (not shown) which extends inside the housing 16.
- the head portion 15 comprises a pair of wheels 20 disposed at the rear of the head 10 and outwardly of the roller 13.
- the head portion 15 is pivotally connected to the front end of the arm 14 for rotation about a second axis X2, the arm 14 providing the sole support between the body portion 12 and the head portion 15.
- an elongate resiliently flexible wiper blade 21 extends longitudinally of the suction mouth 18.
- the blade 21 is disposed in the centre of the suction mouth 18 and extends parallel to front and rear side walls 22, 23 of the suction mouth 18.
- the lower edge of the blade 21 lies below the front and rear edges 27, 28 of the suction mouth 18.
- the blade 21 is supported by an elongate carrier 25 which is connected to the front and rear side walls 22, 23 by a plurality of spaced apart formations 24 which do not substantially obstruct the flow of air into the suction mouth 18.
- the bottom wall 17 of the head portion 15 comprises front and rear portions 17F, 17R which respectively extend upwardly and outwardly from the front and rear edges 27,28 of the suction mouth 18 respectively.
- the angle A between the front sidewall 22 and the front portion 17F of the bottom wall 17 is 70 degrees.
- the angle B between the rear sidewall 23 and the rear portion 17R of the bottom wall 17 is also 70 degrees.
- the front and rear portions 17F, 17R of the bottom wall 17 are substantially flat and are substantially free of protrusions or indentations.
- the front and rear edges 27,28 of the suction mouth 18 are sharp and comprise a radius of less than 0.5mm.
- the blade 21 bends rearwardly and similarly causes the effects 2. and 3. to be repeated a second time (between points c and d) and the blade 21 therefore provides an additional means to agitate and propel dust from the fibres F of the carpet, thereby maximising the cleaning efficiency by enabling dirt and dust which had not been picked up by the action of the front edge 27 to be picked up.
- the blade 21 bends forwardly and similarly causes the effects 4. and 5. to be repeated a second time (between points c and d) and the blade 21 therefore provides an additional means to agitate and propel dust from the fibres F of the carpet, thereby maximising the cleaning efficiency by enabling dirt and dust which had not been picked up by the action of the front edge 27 to be picked up.
- the invention thus provides a vacuum cleaner head 10 for cleaning carpet, in which the comprises a head portion 15 tiltably attached to a body portion 12, the head portion 15 having a transversely extending suction mouth 18 on its underside 17.
- An elongate depending blade 21 extends longitudinally of the suction mouth 18 at a position between front and rear working edges 27, 28 thereof.
- the suction mouth 18 comprises front and rear working edges 27, 28.
- An arm 14 tilts the head portion 15 such that the suction mouth 18 faces rearwardly when the head 10 is moved forwardly across a floor surface to lower the front edge 27 of the mouth 18 into engagement with the carpet C.
- the front edge 27 distorts and parts the carpet fibres F to allow trapped dust to be extracted. Dust is also dislodged as the carpet fibres suddenly recover their shape. This process is repeated by the action of the blade 21 and dust extraction from the carpet is greatly improved and a comparatively low power motor can be used to induce the airflow through the cleaner.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1403015.9A GB2523339B (en) | 2014-02-20 | 2014-02-20 | Vacuum cleaner head |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2910168A1 true EP2910168A1 (fr) | 2015-08-26 |
EP2910168B1 EP2910168B1 (fr) | 2016-06-01 |
Family
ID=50482528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15154167.9A Revoked EP2910168B1 (fr) | 2014-02-20 | 2015-02-06 | Tête d'aspirateur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2910168B1 (fr) |
CN (1) | CN104856610A (fr) |
GB (1) | GB2523339B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3207849A1 (fr) * | 2016-02-12 | 2017-08-23 | Dyson Technology Limited | Tête de nettoyage d'aspirateur |
CN112336258A (zh) * | 2019-08-09 | 2021-02-09 | 松下知识产权经营株式会社 | 移动机器人、控制方法以及存储介质 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106889944A (zh) * | 2015-12-18 | 2017-06-27 | 康塔有限公司 | 真空吸尘器头 |
CN107752900B (zh) * | 2016-08-16 | 2021-07-02 | 康塔有限公司 | 真空吸尘器 |
CN109907694A (zh) * | 2017-12-13 | 2019-06-21 | 浪速亚洲企业 | 一种吸尘口组件及其地刷 |
JP2021126159A (ja) * | 2020-02-10 | 2021-09-02 | 株式会社マキタ | ロボット集塵機 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3072951A (en) * | 1961-05-16 | 1963-01-15 | Fabmagic Inc | Vacuum cleaner pickup head |
WO2002026098A1 (fr) * | 2000-09-28 | 2002-04-04 | Dyson Limited | Outil de plancher pour nettoyer des surfaces de plancher a l'aspirateur |
WO2003039316A1 (fr) * | 2001-11-03 | 2003-05-15 | Dyson Limited | Outil pour sol |
EP1875846A2 (fr) * | 2006-07-07 | 2008-01-09 | Wessel-Werk Gmbh | Buse pour aspirateur de sol |
WO2008111891A1 (fr) * | 2007-03-09 | 2008-09-18 | Aktiebolaget Electrolux | Suceur d'aspirateur |
EP2229858A1 (fr) * | 2009-03-20 | 2010-09-22 | Bissell Homecare, Inc. | Saugzubehörwerkzeug |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7343139U (de) | 1974-03-21 | Siemens Ag | Staubsaugerdüse | |
FR2773317B1 (fr) * | 1998-01-08 | 2000-03-31 | Olivier Ets Georges | Suceur d'aspirateur |
JP2000325273A (ja) * | 1999-05-20 | 2000-11-28 | Matsushita Electric Ind Co Ltd | 電気掃除機 |
JP2003144359A (ja) * | 2001-11-12 | 2003-05-20 | Sharp Corp | 電気掃除機 |
JP2005034214A (ja) * | 2003-07-16 | 2005-02-10 | Matsushita Electric Ind Co Ltd | 電気掃除機 |
KR100677514B1 (ko) | 2005-01-28 | 2007-02-02 | 엘지전자 주식회사 | 흡입 노즐 및 이를 구비한 진공 청소기의 헤드 |
US20080196198A1 (en) * | 2007-02-16 | 2008-08-21 | Mytee Products, Inc. | Carpet and floor vacuuming device with improved suction head |
-
2014
- 2014-02-20 GB GB1403015.9A patent/GB2523339B/en not_active Expired - Fee Related
-
2015
- 2015-02-06 EP EP15154167.9A patent/EP2910168B1/fr not_active Revoked
- 2015-02-13 CN CN201510078921.4A patent/CN104856610A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3072951A (en) * | 1961-05-16 | 1963-01-15 | Fabmagic Inc | Vacuum cleaner pickup head |
WO2002026098A1 (fr) * | 2000-09-28 | 2002-04-04 | Dyson Limited | Outil de plancher pour nettoyer des surfaces de plancher a l'aspirateur |
WO2003039316A1 (fr) * | 2001-11-03 | 2003-05-15 | Dyson Limited | Outil pour sol |
EP1875846A2 (fr) * | 2006-07-07 | 2008-01-09 | Wessel-Werk Gmbh | Buse pour aspirateur de sol |
WO2008111891A1 (fr) * | 2007-03-09 | 2008-09-18 | Aktiebolaget Electrolux | Suceur d'aspirateur |
EP2229858A1 (fr) * | 2009-03-20 | 2010-09-22 | Bissell Homecare, Inc. | Saugzubehörwerkzeug |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3207849A1 (fr) * | 2016-02-12 | 2017-08-23 | Dyson Technology Limited | Tête de nettoyage d'aspirateur |
US10307028B2 (en) | 2016-02-12 | 2019-06-04 | Dyson Technology Limited | Cleaner head for a vacuum cleaner |
CN112336258A (zh) * | 2019-08-09 | 2021-02-09 | 松下知识产权经营株式会社 | 移动机器人、控制方法以及存储介质 |
US11630463B2 (en) | 2019-08-09 | 2023-04-18 | Panasonic Intellectual Property Management Co., Ltd. | Mobile robot, control method, and storage medium |
CN112336258B (zh) * | 2019-08-09 | 2023-12-15 | 松下知识产权经营株式会社 | 移动机器人、控制方法以及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
CN104856610A (zh) | 2015-08-26 |
GB2523339A (en) | 2015-08-26 |
GB201403015D0 (en) | 2014-04-09 |
EP2910168B1 (fr) | 2016-06-01 |
GB2523339B (en) | 2016-08-03 |
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