EP2965678B1 - Tête d'aspirateur - Google Patents

Tête d'aspirateur Download PDF

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Publication number
EP2965678B1
EP2965678B1 EP15176169.9A EP15176169A EP2965678B1 EP 2965678 B1 EP2965678 B1 EP 2965678B1 EP 15176169 A EP15176169 A EP 15176169A EP 2965678 B1 EP2965678 B1 EP 2965678B1
Authority
EP
European Patent Office
Prior art keywords
head
vacuum cleaner
seal
cleaner head
wheel means
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.)
Not-in-force
Application number
EP15176169.9A
Other languages
German (de)
English (en)
Other versions
EP2965678A1 (fr
Inventor
Scott Crichton
Alexander Anthony Denny Bassett
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.)
Conta sro
Original Assignee
Conta sro
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 Conta sro filed Critical Conta sro
Publication of EP2965678A1 publication Critical patent/EP2965678A1/fr
Application granted granted Critical
Publication of EP2965678B1 publication Critical patent/EP2965678B1/fr
Not-in-force 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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable 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
    • 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
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
    • 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
    • A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
    • A47L9/064—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor
    • A47L9/0653—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads actuating means therefor with mechanical actuation, e.g. using a lever

Definitions

  • This invention relates to a vacuum cleaner head.
  • Vacuum cleaners always comprise some form of head which can engage the floor to pick up dirt and dust.
  • the head is pivoted to an upright body which generally contains means for separating and collecting the dirt and dust that is drawn into the cleaner by the induced airflow.
  • US2013/0145577 discloses an upright cleaner having a vacuum cleaner head comprising an elongate transverse suction mouth on the underside thereof, a seal surrounding the suction mouth, wheel means for engaging the floor and an actuator for raising and lowering the wheel means.
  • the head is provided at the end of a tubular wand that is connected to a body of the cleaner via an elongate flexible duct.
  • the body of the cleaner contains means for separating and collecting the dirt and dust that is drawn into the cleaner by a motor and fan unit 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 of the kind disclosed in US2013/0145577 which is characterised in that the seal substantially surrounds the suction mouth, the actuator having a first position in which the wheel means and the seal are raised, a second position in which the wheel means are lowered and the seal is raised, and third position in which the wheel means and the seal are lowered.
  • the actuator In use when cleaning carpets, the actuator is set to the first position such that the underside of the body of the head rests directly on the carpet and draws dirt and dust out of the carpet fibres.
  • the actuator In use when cleaning hard floors, the actuator is set to the second position in which the wheels engage the floor and lift the head into a raised position above the floor, thereby allowing dirt and dust to pass unhindered under the head where it is drawn into the head by the suction airflow. The wheels also help to prevent the underside of the head from scratching the floor. In this position, the seal is raised.
  • the actuator In use when cleaning crevices in hard floors, the actuator is set to the third position in which the wheels engage the floor and the seal is lowered towards the floor. In this manner, an effective seal between the head and the floor is provided by the seal, so that airflow through the crevices is promoted and effective removal of dust from crevices is achieved.
  • the seal preferably comprises elastomeric wiper blades and the wheels help to reduce any tractive forces require to move the head across a hard floor. If necessary, tractive effort can also be reduced on hard floors by switching from the third mode to the second mode.
  • the wheel means is disposed outwardly of the seal, preferably in front of the seal.
  • the head comprises a head portion which is pivotably attached to a chassis portion, the suction mouth being disposed on the underside of the head portion and 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 when said actuator is in said first position.
  • the wheel means preferably act to prevent the head portion from pivoting when the actuator is in said second and third positions so that the suction mouth is positioned at the correct attitude to a hard floor surface.
  • 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 lower edge of the seal extends below the lower edge of the blade when the seal is lowered.
  • the actuator comprises a rotary dial.
  • the actuator is arranged to displace a pair of cams which act on respective cam followers respectively connected to the wheel means and the seal.
  • the wheel means comprises wheels or rollers, which are preferably arranged to caster.
  • a vacuum cleaner head 10 in accordance with the present invention for fitting to a canister vacuum cleaner, the rear of the head comprising a rearwardly-extending tubular outlet 11 for releasably coupling to the distal end of a tubular wand (not shown) of the cleaner.
  • a motor and fan unit in the body of the cleaner draws air through the head 10 via the wand.
  • the head 10 comprises a rear chassis portion 12, from which the outlet 11 extends.
  • a central roller is mounted to the underside of the chassis 12.
  • An arm 14 extends forwardly from the chassis 12 and is pivotally connected thereto for rotation about a first axis, which extends transverse the head 10 and which also forms the rotational axis for the roller 13.
  • a body portion 15 of the head 10 comprises a hollow housing having a bottom wall 17, which defines any 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 16 and a flexible duct 19 which extends rearwardly from the housing to the outlet 11.
  • the flexible duct 19 is omitted from Figure 5 .
  • the body portion 15 comprises a pair of wheels 20 disposed at the rear of the head 10 on opposite sides of the roller 13.
  • the body portion 15 is pivotally connected to the front end of the arm 14 for rotation about a second axis, the arm 14 providing the sole support between the chassis 12 and body portion 15.
  • Any elongate resiliently flexible wiper blade 21 extends longitudinally of the suction mouth 18.
  • the blade 21 is disposed in 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 sidewalls 22, 23 by a plurality of spaced-apart webs, which do not substantially obstruct a flow of air into the suction mouth 18.
  • the bottom wall 17 of the head portion comprises front and rear portions, which respectively extend upwardly and outwardly from the front and rear edges 27, 28 of the suction mouth 18 respectively to define working edges.
  • the suction mouth 18 is surrounded by an elastomeric seal 30 having front and rear portions 30F, 30R, which may be provided with a plurality of openings or slots 31.
  • the seal 30 also comprises opposite end portions 30E.
  • the head 10 further comprises a pair of wheels 32 on its bottom wall 17, the wheels 32 being disposed in front of the suction mouth 18.
  • a rotary actuator dial 33 is disposed on the upper surface of the body portion 15.
  • the actuator 33 is connected via a gear 34 to a cam assembly 35, which is pivoted to the rear of the body portion 15 for rotation about an axis which extends transversely of the head 10.
  • the cam assembly 35 comprises symmetrical camming end portions disposed on respective opposite sides of the flexible duct 19.
  • the seal 30 is free to move upwardly and downwardly and comprises 4 upstanding shafts 38, which extend into the housing.
  • the two shafts 38 at the front of the head 10 are biased upwardly towards outer ends of respective first cam follower arms 36, which are pivoted to the rear of the body portion 15 and which extend forwardly under respective ends of the cam 35.
  • the two shafts 38 at the rear of the head are also biased upwardly towards inner ends of respective first cam follower arms 36.
  • the wheels 32 are mounted to the ends of respective second cam follower arms 37, which are pivoted to the rear of the body portion 15 and which extend forwardly under the respective ends of the cam 35.
  • the arms 36, 37 are biased upwardly against the cam 35.
  • the actuator In use, when cleaning carpets, the actuator is turned fully counter-clockwise to bring the cam 35 into its most raised position shown in Figure 4 . In this position, the cam follower arms 36, 37 are in their most raised position, so that the seal 30 and wheels 32 are retracted inside the head as shown in Figure 5 .
  • the working edges 27, 28 and the elongate blade 21 act to separate the carpet fibres and assist with the removal of dust.
  • the actuator 33 In use when cleaning coarse debris from hard floor surfaces, the actuator 33 is turned partly clockwise to lower the cam 35 into a position where the second cam follower arms 37 are biased downwardly, such that the wheels 32 are lowered as shown in Figure 6 .
  • the wheels 32 lift the head 10 such that the suction mouth 18 is disposed away from the floor surface being cleaned.
  • the head 10 is lifted sufficiently so that the wiper blade 21 does not engage the floor surface.
  • the wheels 32 act to prevent the head 10 from articulating as it is moved forwardly and rearwardly over the floor surface being cleaned. Any coarse, dirt and debris is able to pass under the head, where it is drawn into the suction mouth 18 by the induced suction airflow.
  • a vacuum cleaning head in accordance with the present invention is simple and inexpensive in construction, yet is able to achieve very efficient cleaning of carpets, hard surfaces and hard surfaces having crevices.

Landscapes

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

Claims (12)

  1. Tête d'aspirateur (10) comprenant une embouchure d'aspiration transversale allongée (18) sur son côté inférieur, une garniture d'étanchéité (30) entourant l'embouchure d'aspiration (18), des moyens formant roues (32) destinés à entrer en contact avec le sol et un actionneur (33) destiné à remonter et abaisser les moyens formant roues (32), caractérisé en ce que la garniture d'étanchéité (30) entoure sensiblement l'embouchure d'aspiration (18), l'actionneur (33) ayant une première position dans laquelle les moyens formant roues (32) et la garniture d'étanchéité (30) sont remontés, une deuxième position dans laquelle les moyens formant roues (32) sont abaissés et la garniture d'étanchéité (30) est remontée, et la troisième position dans laquelle les moyens formant roue (32) et la garniture d'étanchéité (30) sont abaissés.
  2. Tête d'aspirateur (10) selon la revendication 1, caractérisée en ce que la garniture d'étanchéité (30) comprend des raclettes en élastomère.
  3. Tête d'aspirateur (10) selon la revendication 1 ou 2, caractérisée en ce que les moyens formant roue (32) sont disposés à l'extérieur de la garniture d'étanchéité (30).
  4. Tête d'aspirateur (10) selon la revendication 3, caractérisée en ce que les moyens formant roues (32) sont disposés en face de la garniture d'étanchéité (30).
  5. Tête d'aspirateur (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que la tête (10) comprend une partie tête (15) qui est fixée de manière pivotante à une partie châssis (12), l'embouchure d'aspiration (18) étant disposée sur le côté inférieur de la partie tête (15) et ayant des bords de travail avant et arrière (27, 28), la tête comprenant en outre des moyens pour incliner la partie tête (15) de sorte que l'embouchure d'aspiration (18) soit tournée vers l'arrière lorsque la tête est déplacée vers l'avant sur une surface de sol et vice versa pour abaisser respectivement les bords de travail avant et arrière de l'embouchure d'aspiration (18) pour les amener en contact avec la surface de sol lorsque ledit actionneur (33) est dans ladite première position.
  6. Tête d'aspirateur (10) selon la revendication 5, caractérisée en ce que des moyens formant roues (32) agissent de manière à empêcher le pivotement de la partie tête (15) lorsque l'actionneur (33) se trouve dans lesdites deuxième et troisième positions.
  7. Tête d'aspirateur (10) selon la revendication 5 ou 6, caractérisée en ce qu'une lame dépendante allongée (10) s'étend dans la direction longitudinale de l'embouchure d'aspiration (18) à une position située entre les bords de travail avant et arrière de celle-ci, la lame (10) comprenant un bord inférieur situé au-dessous des bords de travail avant et arrière.
  8. Tête d'aspirateur (10) selon la revendication 7, caractérisée en ce que le bord inférieur de la garniture d'étanchéité (30) s'étend au-dessous du bord inférieur de la lame (10) lorsque la garniture d'étanchéité (30) est abaissée.
  9. Tête d'aspirateur (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'actionneur comprend un cadran rotatif (33).
  10. Tête d'aspirateur (10) selon la revendication 9, caractérisée en ce que l'actionneur (33) est adapté pour déplacer une paire de cames (35) qui agissent sur des suiveurs de came respectifs (36, 37) reliés respectivement aux moyens formant roues (32) et à la garniture d'étanchéité (30).
  11. Tête d'aspirateur (10) selon l'une quelconque des revendications précédentes, caractérisée en ce que les moyens formant roue comprennent des roues (32) ou des galets.
  12. Tête d'aspirateur (10) selon la revendication 11, caractérisée en ce que les roues (32) ou les galets sont conformés en roulettes directrices.
EP15176169.9A 2014-07-11 2015-07-09 Tête d'aspirateur Not-in-force EP2965678B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410332302.9A CN105310602B (zh) 2014-07-11 2014-07-11 真空吸尘器头

Publications (2)

Publication Number Publication Date
EP2965678A1 EP2965678A1 (fr) 2016-01-13
EP2965678B1 true EP2965678B1 (fr) 2017-11-15

Family

ID=52349892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15176169.9A Not-in-force EP2965678B1 (fr) 2014-07-11 2015-07-09 Tête d'aspirateur

Country Status (3)

Country Link
EP (1) EP2965678B1 (fr)
CN (1) CN105310602B (fr)
GB (1) GB2528145A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109152501B (zh) * 2016-05-11 2022-09-13 伊莱克斯公司 调整机器人清洁设备的高度
DE102016109285A1 (de) * 2016-05-20 2017-11-23 Vorwerk & Co. Interholding Gmbh Saugdüse für ein Saugreinigungsgerät
CN107752900B (zh) * 2016-08-16 2021-07-02 康塔有限公司 真空吸尘器
CN107752903A (zh) 2016-08-19 2018-03-06 康塔有限公司 真空吸尘器头
DE102017115523A1 (de) 2017-01-10 2018-07-12 Miele & Cie. Kg Bodendüse für Staubsauger und Staubsauger
EP3345523B1 (fr) * 2017-01-10 2023-09-13 Miele & Cie. KG Buse de sol pour aspirateur et aspirateur

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DE19628070C2 (de) * 1996-07-12 1999-05-20 Wessel Werk Gmbh Dreizweck-Staubsauger
GB0228481D0 (en) * 2002-12-06 2003-01-08 Techtronic Ind Co Ltd Head for a suction cleaner
CN1565349A (zh) * 2003-06-24 2005-01-19 乐金电子(天津)电器有限公司 真空吸尘器
JP2005110908A (ja) * 2003-10-07 2005-04-28 Matsushita Electric Ind Co Ltd 電気掃除機用吸込み具及びそれを用いた電気掃除機
DE102004006350A1 (de) * 2004-02-10 2005-08-25 Vorwerk & Co. Interholding Gmbh Bodendüse für einen Staubsauger
JP2009078081A (ja) * 2007-09-27 2009-04-16 Toshiba Corp 電気掃除機およびその吸込口体
CN201861561U (zh) * 2010-08-04 2011-06-15 马卫宏 真空吸尘器的吸嘴
CN102525348A (zh) * 2010-12-29 2012-07-04 泰怡凯电器(苏州)有限公司 旋风分离装置及装有该装置的旋风吸尘器
AU2012216246B2 (en) * 2011-08-23 2014-03-27 Bissell Inc. Auxiliary suction nozzle and port for vacuum cleaner
GB2496663B (en) * 2011-11-18 2014-07-30 Dyson Technology Ltd A cleaner head
US8904595B2 (en) * 2011-12-13 2014-12-09 Electrolux Home Care Products, Inc. Vacuum cleaner floor seal
KR101362087B1 (ko) * 2011-12-30 2014-02-12 한경희 바닥 청소기용 베이스 어셈블리
CN203244345U (zh) * 2013-05-08 2013-10-23 科沃斯机器人科技(苏州)有限公司 清扫机器人和地面处理装置

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Also Published As

Publication number Publication date
CN105310602B (zh) 2019-04-02
GB201421502D0 (en) 2015-01-14
GB2528145A (en) 2016-01-13
CN105310602A (zh) 2016-02-10
EP2965678A1 (fr) 2016-01-13

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