EP2931104A1 - Staubsaugerbürste - Google Patents

Staubsaugerbürste

Info

Publication number
EP2931104A1
EP2931104A1 EP13808155.9A EP13808155A EP2931104A1 EP 2931104 A1 EP2931104 A1 EP 2931104A1 EP 13808155 A EP13808155 A EP 13808155A EP 2931104 A1 EP2931104 A1 EP 2931104A1
Authority
EP
European Patent Office
Prior art keywords
blades
brush
shaft
brush according
blade
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
Application number
EP13808155.9A
Other languages
English (en)
French (fr)
Other versions
EP2931104B1 (de
Inventor
Alain Soen
Eric Gellez
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.)
SEB SA
Original Assignee
SEB SA
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 SEB SA filed Critical SEB SA
Publication of EP2931104A1 publication Critical patent/EP2931104A1/de
Application granted granted Critical
Publication of EP2931104B1 publication Critical patent/EP2931104B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47L9/0477—Rolls
    • 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

Definitions

  • the invention relates to a rotary brush for a vacuum cleaner head.
  • the present invention relates to a rotary brush, also called brush, and in particular to a brush for an appliance to be cleaned.
  • the brush has at least one blade that extends perpendicularly to the surface of its rotating shaft and operates to pick up dust as a result of blade contact on a surface to be cleaned.
  • This brush described in the aforementioned publication is made such that it has a rotary main shaft which is substantially cylindrical in shape, also called a shaft, and the shaft comprises a surface.
  • the shaft further comprises an axis of rotation which is oriented in the direction of the length of the shaft and which passes through the middle thereof.
  • the brush has on its surface at least one blade extending perpendicularly from the surface of the shaft and helically along the axis of rotation of the shaft, and the free edge portion of the blade, i.e.
  • the part of the blade lying on the side of the surface to be cleaned is provided with a succession of hollow parts which form crenellations and which are commonly called "teeth".
  • These blades with teeth have a less area than a blade without teeth and allow to pass more bits of son. As a result, the ends of threads are less likely to wrap around the brush.
  • the helical arrangement of these blades along the axis of rotation of the shaft reduces the torque required to rotate the brush. This function of reduction of the necessary torque is also ensured by the recessed parts of the blades which thus reduce the friction with the ground.
  • the invention particularly aims to overcome the disadvantages of the prior art.
  • an object of the present invention is to provide a brush for minimizing storage of the ends of son at the brush.
  • Another object of the present invention is to provide a brush for minimizing the torque required to rotate the brush.
  • a vacuum cleaner brush that has a shaft.
  • the shaft has an axis of rotation.
  • the brush comprises at least two blades which are mounted on the shaft by an attachment edge of the blades.
  • the blades each comprise a free edge and the free edges are alternately and regularly different from one another.
  • the blades are formed such that their attachment edges have a straight profile and the attachment edges are mounted on the shaft parallel to the axis rotation of the tree.
  • the blade attachment edges are mounted on the shaft helically along the axis of rotation.
  • the free edge of at least one of the two blades comprises a succession of recessed portions and teeth.
  • the recessed portions and the teeth may have different shapes and spacings.
  • the free edge of one of the at least two blades comprises in the middle a concave hollow portion.
  • the at least two blades are retained in grooves made along the shaft.
  • a covering material consisting of a wear-resistant and sliding plastic material covers a surface of the base material of the free edge of the blade which, in use, is located in front of a surface to be cleaned.
  • the blades are formed of countless projecting parts to project towards a surface to be cleaned.
  • the shaft comprises a rotation device.
  • the blades are made of a flexible base material made from rubber or a thermoplastic elastomer.
  • the blades have different rigidities.
  • the blade comprising the concave hollow portion is more rigid than the blade comprising the recessed portions and the teeth.
  • the invention more particularly relates to a vacuum cleaner head comprising a brush as defined above.
  • FIG. 1 is a perspective view schematically showing a brush according to the present invention as it would be installed in the intake port of a vacuum cleaner.
  • FIG. 2 is a general perspective view showing the brush according to a first embodiment of the invention
  • FIG. 3 is a schematic side view of one of the blades of Figure 2;
  • Figure 4 is a schematic side view of one of the blades of Figure 2;
  • FIG. 5 is a side view of the shaft according to the first embodiment of the invention.
  • FIG. 6 is an exploded view of the brush according to the invention.
  • Figure 7 is a schematic, large-scale, sectional side view showing tiny projections on the brush of Figure 2 according to a second embodiment of the invention.
  • FIGS 1 to 6 show a first embodiment of the present invention, in which a rotating brush 1, also called brush 1, and a motor 3 driving the brush 1 via a belt 2, are mounted in a intake port 5 of a vacuum cleaner.
  • the brush 1 comprises a rotary main shaft 4, also called shaft 4, which is cylindrical and which comprises a surface 8.
  • the brush 1 comprises blades 6.7 which are arranged around the shaft 4 and the blades 6, 7 s extend perpendicularly from the surface 8 of the shaft 4, that is to say that the blades 6, 7 form with the surface 8 an angle of 90 °. According to the invention, the blades 6.7 are flexible.
  • the blades 6.7 may extend from the surface 8 at an angle of between 60 ° and 120 ° to the surface.
  • the brush 1 is composed of a shaft 4.
  • the shaft 4 is preferably a cylinder which comprises an axis 9 of rotation.
  • the axis 9 of rotation also called axis 9, is oriented in the direction of the length of the shaft 4 and passes through the middle thereof.
  • the surface 8 is the surface which surrounds the axis 9 and which extends over the entire length of the shaft 4.
  • a first blade 7 comprises an edge portion 22, and a free edge 15 also called “end” 15, and on this end 15, this blade 7 comprises a succession of recessed portions 12 and non-recessed portions 13, commonly called teeth .
  • Figure 4 shows a second type of blade 6 which also includes an edge portion 21, and an end 14 in which there is a recessed portion 1 1 concave.
  • These blades 6, 7 can be hooked to the shaft 4 in different ways.
  • the blades 6, 7 are inserted in grooves 16 made in the surface 8 of the shaft 4.
  • These grooves 16 have a straight profile and they are substantially parallel to the axis 9.
  • These blades 6, 7 can also be glued on the surface 8 of the shaft 4.
  • the shaft 4 comprises at its ends a device 17 for rotating the brush 1.
  • this device 17 is composed of a device 18 called bayonet and a device 19 called pin.
  • the bayonet 18 and the pin 19 are sized to fit in locations 23 formed in a vacuum head 10.
  • the invention comprises four blades 6, 7 of which two comprise teeth 13 and two others comprise a recessed portion 1 1 concave. These blades 6, 7 are positioned perpendicular to the shaft 4 and are positioned equidistantly around the shaft 4.
  • it can have a number of blades greater than four and in this case, the blades are also positioned equidistantly around the shaft 4.
  • a blade 6, the other blade 7, the ends 14, 15 of the blades 6, 7 are alternated.
  • a four-blade brush as shown in FIG. 6 there will first be a toothed blade 7 and then a blade 6 with a concave portion, then a toothed blade 7 and then a blade 6 with a concave portion to finish .
  • the ends 14, 15 of the blades 6, 7 comprise tiny projections 20. These projections 20 are positioned on the side of the blades 6, 7 whose surface will rub against the surface of a floor to be cleaned. The addition of these projections 20 improves the possibility of collecting fine dust.
  • the brush 1 is integrated in a vacuum cleaner head 10.
  • the motor 3 sets in motion the belt 2 which is attached to the device 17 for rotating the brush 1. A mechanical movement will be transmitted to the brush 1. The brush will be rotated along its axis 9.
  • the concave blade 6 makes it possible to detach the dust more deeply. Part of this dust will be sucked via the suction port 5. During the rotation of the brush 1, the concave blade 6 succeeds the toothed blade 7.
  • the recessed portion 1 1 concave blade 6 will allow the flow created by the vacuum to concentrate in this area.
  • the force will be larger and concentrated in the middle of the brush 1.
  • the remaining dust has not been sucked will be concentrated immediately after the middle of the blade 6 concave to be sucked effectively.
  • the ends of wires are less prone to spread over the entire length of the brush 1 and this reduces the risk of winding these ends of son.
  • the ends of son will accumulate rather in the recessed portion 1 1 concave blade 6, where the suction force is the strongest.
  • the edge portions 21, 22 in contact with said surface 8 of the shaft 4 define a profile of circular arc.
  • the rigidity of the blades is different depending on whether one is in the presence of a toothed blade 7 or a blade 6 with a portion 1 1 concave.
  • the toothed blades 7 are more flexible than the blades 6 provided with a concave portion 1 1.
  • These blades can be made of materials such as rubber or thermoplastic elastomers or can be of the composite type.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP13808155.9A 2012-12-12 2013-12-03 Staubsaugerbürste Active EP2931104B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1261975A FR2999067B1 (fr) 2012-12-12 2012-12-12 Brosse d'aspirateur
PCT/FR2013/052928 WO2014091116A1 (fr) 2012-12-12 2013-12-03 Brosse d'aspirateur

Publications (2)

Publication Number Publication Date
EP2931104A1 true EP2931104A1 (de) 2015-10-21
EP2931104B1 EP2931104B1 (de) 2019-03-06

Family

ID=48128451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13808155.9A Active EP2931104B1 (de) 2012-12-12 2013-12-03 Staubsaugerbürste

Country Status (7)

Country Link
EP (1) EP2931104B1 (de)
KR (1) KR102072881B1 (de)
CN (1) CN104837391A (de)
ES (1) ES2717893T3 (de)
FR (1) FR2999067B1 (de)
TR (1) TR201904330T4 (de)
WO (1) WO2014091116A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2529819B (en) * 2014-09-02 2017-06-14 Dyson Technology Ltd Cleaner head
KR101644887B1 (ko) 2015-03-24 2016-08-02 엘지전자 주식회사 에지테이터 및 이를 포함하는 로봇 청소기
CN106108801A (zh) * 2016-01-26 2016-11-16 湖北泽森智能科技有限公司 中扫装置的切毛驱动装置
CN105982615B (zh) * 2016-04-29 2018-08-31 宁波富佳实业有限公司 一种滚刷组件
GB2550923B (en) 2016-05-31 2020-03-18 Darius Development Ltd A cleaner attachment device
EP3342323B1 (de) 2017-01-03 2020-04-08 Samsung Electronics Co., Ltd. Staubsauger
CN107233047A (zh) * 2017-06-09 2017-10-10 宁波富佳实业有限公司 一种切割组合器具及具有其的吸尘器
KR20190054517A (ko) * 2017-11-13 2019-05-22 삼성전자주식회사 청소기
CN108095643A (zh) * 2018-01-16 2018-06-01 深圳市智意科技有限公司 洗地机
CN108577668A (zh) * 2018-07-16 2018-09-28 苏州八股网络科技有限公司 一种带有刀片的滚刷及应用该滚刷的自动清洁装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135869A (en) * 1982-12-10 1984-09-12 Hukuba Kogyo Kk Rotary cleaning member
JPH02104321A (ja) * 1988-10-13 1990-04-17 Hookii:Kk 回転ブラシ
JPH02149240A (ja) * 1988-12-01 1990-06-07 Hookii:Kk 回転ブラシ
JPH0375885U (de) * 1989-11-21 1991-07-30
JP2892780B2 (ja) * 1990-06-20 1999-05-17 株式会社日立製作所 電気掃除機の吸口
JPH10165336A (ja) * 1996-12-09 1998-06-23 Tec Corp 電気掃除機の吸込口体
JP3449677B2 (ja) * 1996-12-26 2003-09-22 東芝テック株式会社 電気掃除機の吸込口体
JP3381695B2 (ja) * 1997-12-26 2003-03-04 松下電器産業株式会社 電気掃除機用吸込具及びそれを用いた電気掃除機
JP2003093288A (ja) 2001-09-21 2003-04-02 Sanyo Electric Co Ltd 電気掃除機用吸込具
JP2002112931A (ja) * 2001-09-26 2002-04-16 Matsushita Electric Ind Co Ltd 電気掃除機用吸込具及び電気掃除機
JP4749263B2 (ja) * 2006-07-18 2011-08-17 三洋電機株式会社 電気掃除機用吸込具
JP2011188951A (ja) * 2010-03-12 2011-09-29 Toshiba Corp 吸込口体及び電気掃除機
CN202223164U (zh) * 2011-08-12 2012-05-23 深圳市银星智能科技股份有限公司 清洁刷

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014091116A1 *

Also Published As

Publication number Publication date
EP2931104B1 (de) 2019-03-06
FR2999067A1 (fr) 2014-06-13
WO2014091116A1 (fr) 2014-06-19
KR20150094701A (ko) 2015-08-19
TR201904330T4 (tr) 2019-04-22
ES2717893T3 (es) 2019-06-26
KR102072881B1 (ko) 2020-02-03
FR2999067B1 (fr) 2015-07-03
CN104837391A (zh) 2015-08-12

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