US20040244140A1 - Turbine brush - Google Patents

Turbine brush Download PDF

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Publication number
US20040244140A1
US20040244140A1 US10/675,899 US67589903A US2004244140A1 US 20040244140 A1 US20040244140 A1 US 20040244140A1 US 67589903 A US67589903 A US 67589903A US 2004244140 A1 US2004244140 A1 US 2004244140A1
Authority
US
United States
Prior art keywords
turbine
brush
unit
agitator
lower casing
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.)
Abandoned
Application number
US10/675,899
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English (en)
Inventor
Sung-tae Joo
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Gwangju Electronics 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 Samsung Gwangju Electronics Co Ltd filed Critical Samsung Gwangju Electronics Co Ltd
Assigned to SAMSUNG GWANGJU ELECTRONICS CO. LTD. reassignment SAMSUNG GWANGJU ELECTRONICS CO. LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JOO, SUNG-TAE
Publication of US20040244140A1 publication Critical patent/US20040244140A1/en
Abandoned legal-status Critical Current

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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
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0416—Driving means for the brushes or agitators driven by fluid pressure, e.g. by means of an air turbine
    • 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

Definitions

  • the present invention relates generally to a turbine brush for a vacuum cleaner, and more particularly to a turbine brush for a vacuum cleaner having ribs to prevent adsorption at the bottom of the turbine brush.
  • FIG. 1 is a perspective view of a conventional vacuum cleaner.
  • a turbine brush 7 of the vacuum cleaner moves along in contact with the surface to be cleaned and forms an air suction path from the surface being cleaned to a main body 9 of the vacuum cleaner. Accordingly, air, containing dust and dirt that has been removed from the surface to be cleaned, is drawn into the main body 9 of the vacuum cleaner through the turbine brush 7 .
  • the air suction path includes an extended pipe 8 a connected to the turbine brush 7 , an operation handle 8 b , and a flexible hose assembly 8 c.
  • the surface being cleaned is a textile fabric, such a carpet
  • the dust and dirt can be effectively removed if they are separated from the surface to be cleaned.
  • a brush having an agitator has been proposed.
  • the agitator by repetitive motion, such as scratching or striking, separates the dust and dirt from the surface being cleaned.
  • the turbine brush 7 has an agitator receiving chamber, including a suction slot in a brush body, and a turbine receiving chamber, which are divided by a partition 17 .
  • the turbine receiving chamber through an air path, is in fluid communication with the agitator receiving chamber.
  • FIG. 2 is an exploded perspective detail view partially depicting an example of the conventional turbine brush 7 .
  • the turbine brush 7 of the conventional vacuum cleaner comprises a turbine brush body 10 , an agitator unit 20 , and a turbine unit 30 .
  • the turbine brush body 10 includes an upper casing 11 and a lower casing 12 , coupled to the upper casing 11 .
  • the upper casing 11 preferably is made of a translucent plastic material.
  • a suction slot 21 is formed at a front portion of the bottom of the lower casing 12 , nearest to the surface to be cleaned during operation.
  • a discharging pipe 60 is disposed to be connected with the extended pipe 8 a of the main body 9 of the vacuum cleaner.
  • the discharging pipe 60 is removably connected with the extended pipe 8 a by a connecting member 41 , which is formed having a ball spring structure.
  • a projection 22 is formed along an outer circumference of the lower casing 12 .
  • a recess (not shown) is formed at the upper casing 11 corresponding to the projection 22 .
  • the upper casing 11 and the lower casing 12 are coupled in tight contact with each other by connection of the projection 22 and the recess, and affixed to each other, for example, by screws or other appropriate connection.
  • the brush body 10 comprises an agitator receiving chamber 14 and a turbine receiving chamber 15 .
  • the suction slot 21 is formed in fluid communication with the agitator receiving chamber 14 .
  • the suction slot 21 is in a rectangular shape extending at the bottom of the lower casing 12 in an axial direction.
  • the agitator unit 20 comes into contact with the surface to be cleaned through the suction slot 21 .
  • the agitator receiving chamber 14 and the turbine receiving chamber 15 are defined by the partition 17 extending for the length of the slot 21 . At a central portion of the partition 17 , an air path 16 is formed to provide fluid communication between the agitator receiving chamber 14 and the turbine receiving chamber 15 .
  • the agitator unit 20 is rotatably disposed in the agitator receiving chamber 14 of the brush body 10 .
  • the turbine unit 30 is rotatably disposed in the turbine receiving chamber 15 of the brush body 10 .
  • On the agitator unit 20 plural radially extending bristles 25 are disposed and separated by regular intervals.
  • the agitator unit 20 and the turbine unit 30 are connected by a power transfer unit 50 .
  • the power transfer unit 50 may be a timing belt or other appropriate means.
  • the turbine unit 30 comprises a turbine 35 , a turbine shaft 37 passing through the turbine 35 in the axial direction, retainers 39 connected to both ends of the turbine shaft 37 , and a bearing member in tight contact with the lower casing 12 interposed between the retainers 39 and the turbine 35 .
  • the turbine 35 is rotated and subsequently the agitator unit 20 is rotated through action of the power transfer unit 50 . That is, the turbine 35 is rotated by the air drawn in to the discharging pipe 60 via the suction slot 21 , the agitator receiving chamber 14 , the air path 16 , and the turbine receiving chamber 15 . Accordingly, the rotating agitator unit 20 scratches or strikes, and thus separates, the dust and dirt from the surface being cleaned.
  • the conventional vacuum cleaner as described above has the following shortcomings in using the turbine brush 7 of the vacuum cleaner.
  • the upper casing 11 of the conventional turbine brush 7 is formed of translucent or opaque plastic material, it is hard to observe inside of the brush body 10 . While opening the upper casing 11 enables the user to check the inner state of the brush body 10 , the opening/closing structure is complicated the operation is difficult.
  • the turbine unit 30 is likely to be released from the brush body 10 by the reaction of gravity and the parts comprising the unit nay become dislodged or separated from their proper location.
  • the present invention has been devised in view of the above shortcomings, and an object of the present invention is to provide a turbine brush for a vacuum cleaner, which does not cause a surface being cleaned, such as a blanket or a carpet, to be caught or stuck to a suction slot at the bottom thereof.
  • Another object of the present invention is to provide a turbine brush for a vacuum cleaner having an improved structure for convenient maintenance.
  • the turbine brush for the vacuum cleaner comprises a brush including an upper casing and a lower casing, and the lower casing having sidewalls and a suction slot through which air is drawn in from the surface being cleaned, an agitator unit rotatably supported at the lower casing and having bristles at predetermined intervals, a turbine unit rotatably supported adjacent the lower casing and being rotated by the air drawn into the vacuum cleaner by suction force, and a power transfer unit connecting the agitator unit and the turbine unit to move in association with each other.
  • the suction slot of the lower casing has a plurality of ribs to prevent the surface being cleaned, such as a blanket or other fabric, from being drawn in to the brush body by the suction force generated by the vacuum cleaner, and the bristles are positioned at predetermined intervals between the ribs of the suction slot so that at least a part of the bristles passes through the suction slot and comes into contact with the surface being cleaned.
  • the upper casing preferably is transparent to allow observation by the user into the brush body.
  • At least one first tab is formed at a front portion of the upper casing and at least one second tab is formed at a rear portion of the upper casing.
  • a slot corresponding to the first tab is formed at a front portion of the lower casing and a locking member corresponding to the second tab is formed at rear portion of the lower casing.
  • the agitator unit further comprises an agitator and a connecting member fixed at each of the sidewalls of the lower casing to support the agitator.
  • the connecting member comprises a bearing to support a rotating shaft of the agitator and a first retainer surrounding the bearing, and at the each of the sidewalls of the lower casing is formed a guide wall to removably support the first retainer.
  • the turbine unit comprises a turbine, a turbine shaft, and a second retainer to support the turbine shaft.
  • the power transfer unit comprises a first pulley disposed around the shaft of the turbine unit, a second pulley disposed around the shaft of the agitator unit, and the connection includes a belt connecting the first pulley and the second pulley.
  • Each of the ribs may be shaped and configured to increase in width from the middle toward one end.
  • a turbine brush for a vacuum cleaner comprises a brush body in communication with the vacuum cleaner comprising a lower casing having a suction slot through which air is drawn in from a surface being cleaned, and an upper casing being made from a transparent material, an agitator unit rotatably supported at the lower casing and having bristles at predetermined intervals, a turbine unit rotatably supported at the lower casing and rotating by action of the air drawn into the brush body by the suction force generated by the vacuum cleaner, a power transfer unit connecting the agitator unit and the turbine unit so as to rotate the agitator unit in association with the turbine unit, and a discharging pipe connected to a rear portion of the brush body.
  • the suction slot of the lower casing has a plurality of ribs to prevent the surface being cleaned, such as a blanket or other fabric, from being drawn into the brush body by the suction force generated by the vacuum cleaner, and the bristles are positioned at appropriate intervals between the ribs of the suction slot so that at least a part of the bristles passes through the suction slot and comes into contact with the surface being cleaned.
  • the discharging pipe includes a locking unit to connect the discharging pipe with an extended pipe of the vacuum cleaner.
  • the locking unit comprises a hooking member and a pressing button removed from the hooking unit. At least one first tab is formed at a front portion of the upper casing and at least one second tab is formed at a rear portion of the upper casing, and a slot corresponding to the first tab is formed at a front portion of the lower casing and a locking member corresponding to the second tab is formed at rear portion of the lower casing.
  • the agitator unit comprises an agitator and a connecting member fixed at each of the sidewalls of the lower casing to support the agitator.
  • the connecting member comprises a bearing to support a rotating shaft of the agitator and a first retainer surrounding the bearing, and a guide wall to removably fix the first retainer is formed at each of the sidewalls of the lower casing.
  • the turbine unit comprises a turbine, a turbine shaft, and a second retainer to support the turbine shaft.
  • the power transfer unit further comprises a first pulley disposed in the turbine unit, a second pulley disposed in the agitator unit and a belt to connect the first pulley and the second pulley.
  • Each of the ribs may be shaped and configured to increase in width from the middle toward one end.
  • FIG. 1 is a perspective view of a conventional vacuum cleaner
  • FIG. 2 is an exploded perspective view of a turbine brush of the conventional vacuum cleaner
  • FIG. 3 is a perspective view of a main portion of a turbine brush of a vacuum cleaner having ribs at a bottom thereof according to the present invention
  • FIG. 4 is a cross-sectional side view of the turbine brush according to the present invention.
  • FIG. 5 is an exploded perspective detail view of a turbine unit of the turbine brush according to the present invention.
  • FIG. 6 is a cross-sectional plan view of the turbine brush according to the present invention.
  • FIG. 3 is a perspective view depicting a main portion of a turbine brush 7 of a vacuum cleaner having ribs at a bottom thereof according to the present invention.
  • FIG. 4 is a side detail view, partially exploded in a cross-section, depicting the turbine brush 7 .
  • the turbine brush 7 of the vacuum cleaner comprises a brush body 10 , an agitator unit 20 and a turbine unit 30 , which are disposed in the brush body 10 , a power transfer unit 50 to cause the agitator unit 20 and the turbine unit 30 to be driven in association with each other, and a discharging pipe 60 connected at a rear side of the brush body 10 .
  • the brush body 10 comprises a lower casing 12 having a suction slot 21 through which air is drawn in from a surface being cleaned, and an upper casing 11 coupled to the lower casing 12 .
  • an agitator receiving chamber 14 and a turbine receiving chamber 15 are formed within the brush body 10 .
  • the agitator receiving chamber 14 and the turbine receiving chamber 15 are divided by a partition 17 .
  • an air path 16 is formed to provide fluid communication between the agitator receiving chamber 14 and the turbine receiving chamber 15 .
  • the shape of the partition 17 may take different forms. For example, the ends of the two sections of partition 17 adjacent to air path 16 may be perpendicular to the bottom of the lower casing 12 , as shown in FIG. 3, or may extend laterally toward turbine unit 30 in a converging profile, as shown in FIG. 4 or 5 .
  • the upper casing 11 is formed of a transparent material to allow the user to observe into the brush body 10 , which provides convenience in maintenance of the vacuum cleaner.
  • the upper casing 11 is formed of a transparent plastic material.
  • the lower casing 12 includes the agitator unit 20 rotatably received in the agitator receiving chamber 14 and the turbine unit 30 received in the turbine receiving chamber 15 and rotated by the air drawn into the brush body 10 by the vacuum cleaner (not shown).
  • the agitator unit 20 has radically extending bristles 25 formed on an agitator 27 at regular intervals separated from each other at predetermined distances.
  • the upper casing 11 has at least one first tab 31 at a front portion thereof and at least one second tab 33 at a rear portion thereof.
  • a slot 71 is provided corresponding to each first tab 31
  • a locking member 72 is provided corresponding to each second tab 33 . Accordingly, the upper casing 11 is easily separated from the lower casing 12 by the pressing on both sides of the locking member 72 , permitting easy separation of the lower casing 12 from the upper casing 11 , and maintenance of the interior of the turbine brush 7 thereby becomes more convenient.
  • the suction slot 21 of the lower casing 12 has a plurality of longitudinally extending ribs 22 to prevent a loose material being cleaned, such as a blanket or other fabric, from being drawn into the brush body 10 by the suction force generated by the vacuum cleaner.
  • the bristles 25 are disposed on the agitator 27 to correspond to the suction slot 21 so that at least a part of the bristles 25 can pass through the suction slot 21 and come into contact with the surface being cleaned.
  • the bristles 25 are disposed in a spiral fashion at regular predetermined intervals and the agitator unit 20 may have a plurality of bristles to correspond to every opening between the ribs 22 of the suction slot 21 , as shown.
  • each rib 22 has a shape and configuration so that it becomes gradually wider in width from the middle toward one end, as shown.
  • the bristles 25 can be easily received in the openings between the ribs 22 and are thus free to clean the surface being cleaned.
  • the rib 22 may increase in width from the middle toward both longitudinal ends of the section slot 21 .
  • the agitator unit 20 comprises the agitator 27 and a connecting member 29 that cooperates at each of the sidewalls of the lower casing 12 to support the agitator 27 within the turbine brush 7 .
  • the connecting member 29 comprises a bearing 29 a to support a shaft of the agitator 27 and a first retainer 29 b surrounding the bearing 29 a
  • a guide wall 75 is formed to removably connect the first retainer 29 b within the lower casing 12 .
  • FIG. 5 is an enlarged perspective exploded view of the turbine unit 30 of the turbine brush 7 .
  • the turbine unit 30 comprises the turbine 35 , the turbine shaft 37 , and a second retainer 39 to support the turbine shaft 37 .
  • the turbine unit 30 requires a fewer number of parts than a conventional turbine unit 20 , as shown in FIG. 2. Also, in separating the upper casing 11 from the lower casing 12 , dislocation of the turbine unit 30 is prevented, because the second retainer 39 is directly disposed in a recess 18 of the turbine receiving chamber 15 at a rear portion of the lower casing 12 .
  • FIG. 6 is a plan view of the turbine brush 7 .
  • the power transfer unit 50 comprises a first pulley 51 disposed around a shaft of the turbine unit 30 , a second pulley 53 disposed around a shaft of the agitator unit 20 , and a belt 55 to connect the first pulley 51 to the second pulley 53 , so that rotation of the turbine 35 causes a similar rotation of the agitator 27 .
  • the discharging pipe 60 has a locking unit 65 to connect with an extended pipe 8 a of the vacuum cleaner (see FIG. 4).
  • the locking unit 65 comprises a hooking member 61 formed at an inner wall of a rear portion of the discharging pipe 60 and a pressing button 63 removed from the hooking member 61 to move in association with the hooking member 61 .
  • the hooking member 61 While the extended pipe 8 a of the vacuum cleaner is connected with the turbine brush 7 at the discharging pipe 60 , the hooking member 61 is coupled with a coupling recess 89 disposed in the extended pipe 8 a , corresponding to the hooking member 61 . As the pressing button 63 is depressed, the hooking member 61 is moved upwardly in association with the pressing button 63 and is released from the coupling recess 89 of the extended pipe 8 a Accordingly, the extended pipe 8 a may be separated from the turbine brush 7 by withdrawing the pipe 8 a from the discharging pipe 60 .
  • the suction force provided to the turbine brush 7 by the vacuum cleaner causes the rotation of the turbine 35 , subsequently rotating the agitator unit 20 via the power transfer unit 50 .
  • the turbine 35 is rotated by the air drawn into the discharging pipe 60 through the suction slot 21 , the agitator receiving chamber 14 , the air path 16 , and the turbine receiving chamber 15 .
  • the agitator unit 20 is also rotated and separates the dust and dirt on the surface being cleaned by means of scratching or striking action thereon.
  • the ribs 22 in the suction slot 21 inhibit or prevent the blanket or the fabric from being drawn in through the suction slot 21 of the brush body 10 .
  • the bristles 25 disposed on the agitator 27 at the predetermined intervals between the ribs 22 , are rotated in association with the agitator 27 and thereby strike the blanket and effectively separate dust and dirt from the blanket or other fabric.
  • any malfunction inside of the brush body 10 during the cleaning operation is easily observed by the user.
  • the operation of the brush 7 in the brush body 10 can be observed immediately through the transparent exterior of the upper casing 11 , and the upper casing 11 may be easily separated from the lower casing 12 to provide access to the inside of the brush body 10 for easy maintenance.
  • the turbine brush 7 is conventionally used as an auxiliary brush of the vacuum cleaner, or is also used as a general brush for carpets when provided with a longer suction slot 21 .
  • the ribs 22 prevent the blanket or textile fabric from being caught at the suction slot 21 , and thereby inhibit breakdown of the vacuum cleaner due to fabric catching in the agitator.
  • the transparent upper casing 11 of the brush body 10 enables the user to easily observe the operation of the brush 7 and the state inside of the brush body 10 .
  • the upper casing 11 is easily separated while the turbine brush 7 remains secured in position to thereby facilitate the management and the maintenance of the turbine brush 7 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
US10/675,899 2003-06-09 2003-09-30 Turbine brush Abandoned US20040244140A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2003-36896 2003-06-09
KR10-2003-0036896A KR100531224B1 (ko) 2003-06-09 2003-06-09 터빈브러시

Publications (1)

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US20040244140A1 true US20040244140A1 (en) 2004-12-09

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US10/675,899 Abandoned US20040244140A1 (en) 2003-06-09 2003-09-30 Turbine brush

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US (1) US20040244140A1 (zh)
JP (1) JP3960986B2 (zh)
KR (1) KR100531224B1 (zh)
CN (1) CN1286422C (zh)
AU (1) AU2003261467B2 (zh)
CA (1) CA2451921C (zh)
DE (1) DE10357497A1 (zh)
ES (1) ES2259506A1 (zh)
FR (1) FR2855742A1 (zh)
GB (1) GB2402608B (zh)
IT (1) ITTO20040187A1 (zh)
RU (1) RU2254800C1 (zh)

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US20050217068A1 (en) * 2004-04-02 2005-10-06 Kim Hoa-Joong Brush assembly and vacuum cleaner including bursh assembly
US20060248680A1 (en) * 2005-05-05 2006-11-09 Bissell Homecare, Inc. Vacuum accessory tool
US20110099751A1 (en) * 2009-10-30 2011-05-05 G.B.D. Corp. Surface cleaning head
US20120090133A1 (en) * 2009-06-30 2012-04-19 Sung-Guen Kim Robot cleaner
JP2013212331A (ja) * 2012-04-04 2013-10-17 Mitsubishi Electric Corp 電気掃除機の吸込具及びこれを備えた電気掃除機
DE102012207358A1 (de) * 2012-05-03 2013-11-07 BSH Bosch und Siemens Hausgeräte GmbH Düse für ein Bodenreinigungsgerät
US9072416B2 (en) 2013-03-15 2015-07-07 Aktiebolaget Electrolux Vacuum cleaner agitator cleaner with brushroll lifting mechanism
US20150208888A1 (en) * 2011-10-26 2015-07-30 Aktiebolaget Electrolux Cleaning nozzle for a vacuum cleaner
US9192273B2 (en) 2008-03-17 2015-11-24 Aktiebolaget Electrolux Brushroll cleaning feature with overload protection during cleaning
US9295362B2 (en) 2008-03-17 2016-03-29 Aktiebolaget Electrolux Vacuum cleaner agitator cleaner with power control
JP2017060629A (ja) * 2015-09-25 2017-03-30 パナソニックＩｐマネジメント株式会社 電気掃除機
US9775477B2 (en) 2013-05-02 2017-10-03 Aktiebolaget Electrolux Cleaning nozzle for a vacuum cleaner
US9820626B2 (en) 2008-03-17 2017-11-21 Aktiebolaget Electrolux Actuator mechanism for a brushroll cleaner
US9993847B2 (en) 2012-02-02 2018-06-12 Aktiebolaget Electrolux Cleaning arrangement for a nozzle of a vacuum cleaner
US10045672B2 (en) 2012-12-21 2018-08-14 Aktiebolaget Electrolux Cleaning arrangement for a rotatable member of a vacuum cleaner, cleaner nozzle, vacuum cleaner and cleaning unit
US10117553B2 (en) 2008-03-17 2018-11-06 Aktiebolaget Electrolux Cleaning nozzle for a vacuum cleaner

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GB2422093B (en) * 2005-01-18 2008-04-09 Dyson Technology Ltd Cleaner head for a cleaning appliance
KR101248733B1 (ko) 2005-12-07 2013-03-28 엘지전자 주식회사 진공 청소기의 아지 테이터
DE102008028936A1 (de) 2008-06-18 2009-12-24 BSH Bosch und Siemens Hausgeräte GmbH Bürstenkopf eines Haushaltsreinigungsgeräts sowie Haaushaltsreinigungsgerät
DE102009017120A1 (de) 2009-04-15 2010-10-28 Miele & Cie. Kg Saugvorsatz, Staubsauger und Verfahren zum Antrieb
DE102009017968A1 (de) 2009-04-21 2011-02-10 Miele & Cie. Kg Reinigungsvorsatz
CN102551599B (zh) * 2010-12-23 2014-01-08 莱克电气股份有限公司 吸尘器风动地刷
EP2770893B1 (en) 2011-10-26 2023-08-16 Aktiebolaget Electrolux Cleaning nozzle for a vacuum cleaner
JP6360083B2 (ja) * 2013-03-15 2018-07-18 アクティエボラゲット エレクトロラックス 動力制御を備えた減圧掃除機攪拌器クリーナ
DE102015105060B4 (de) 2015-04-01 2024-01-25 Vorwerk & Co. Interholding Gmbh Reinigungsgerät, insbesondere Staubsauger oder Vorsatzgerät eines Staubsaugers
DE102015105061B4 (de) * 2015-04-01 2022-03-24 Vorwerk & Co. Interholding Gmbh Reinigungsgerät
CN104939748B (zh) * 2015-06-18 2017-09-29 苏州佳亿达电器有限公司 一种吸尘器用滚刷装置
CN105250013B (zh) * 2015-11-18 2017-09-29 河南大学 吸盘式异物取出器
JP2020127592A (ja) * 2019-02-08 2020-08-27 日立グローバルライフソリューションズ株式会社 電気掃除機の吸口体

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US9295364B2 (en) 2008-03-17 2016-03-29 Aktiebolaget Electrolux Brushroll cleaning feature with spaced brushes and friction surfaces to prevent contact
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US9375122B2 (en) 2008-03-17 2016-06-28 Aktiebolaget Electrolux Automated brushroll cleaning
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US9775477B2 (en) 2013-05-02 2017-10-03 Aktiebolaget Electrolux Cleaning nozzle for a vacuum cleaner
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AU2003261467A1 (en) 2004-12-23
ITTO20040187A1 (it) 2004-06-19
AU2003261467B2 (en) 2005-06-02
KR100531224B1 (ko) 2005-11-28
CN1572213A (zh) 2005-02-02
GB2402608A (en) 2004-12-15
CA2451921A1 (en) 2004-12-09
CN1286422C (zh) 2006-11-29
DE10357497A1 (de) 2005-01-05
FR2855742A1 (fr) 2004-12-10
JP3960986B2 (ja) 2007-08-15
GB0404681D0 (en) 2004-04-07
RU2254800C1 (ru) 2005-06-27
JP2005000643A (ja) 2005-01-06
ES2259506A1 (es) 2006-10-01
KR20040105509A (ko) 2004-12-16
GB2402608B (en) 2005-05-11
CA2451921C (en) 2007-04-10
RU2003135431A (ru) 2005-05-10

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