EP2656765B1 - Accessory tool for a vacuum cleaner - Google Patents

Accessory tool for a vacuum cleaner Download PDF

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Publication number
EP2656765B1
EP2656765B1 EP13165273.7A EP13165273A EP2656765B1 EP 2656765 B1 EP2656765 B1 EP 2656765B1 EP 13165273 A EP13165273 A EP 13165273A EP 2656765 B1 EP2656765 B1 EP 2656765B1
Authority
EP
European Patent Office
Prior art keywords
suction
fluid
recovery tank
accessory tool
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.)
Active
Application number
EP13165273.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2656765A3 (en
EP2656765A2 (en
Inventor
Joseph M. White
Kurt E. Ashbaugh
Alan J. Krebs
Mitchell Dejonge
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.)
Bissell Homecare Inc
Original Assignee
Bissell Homecare Inc
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
Priority claimed from US13/456,285 external-priority patent/US9186028B2/en
Application filed by Bissell Homecare Inc filed Critical Bissell Homecare Inc
Publication of EP2656765A2 publication Critical patent/EP2656765A2/en
Publication of EP2656765A3 publication Critical patent/EP2656765A3/en
Application granted granted Critical
Publication of EP2656765B1 publication Critical patent/EP2656765B1/en
Active 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0009—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners with means mounted on the nozzle; nozzles specially adapted for the recovery of liquid
    • 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
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • 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
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • 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
    • A47L11/4094—Accessories to be used in combination with conventional vacuum-cleaning devices
    • 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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks
    • A47L7/0028—Security means, e.g. float valves or level switches for preventing overflow
    • 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
    • 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

Definitions

  • the present invention relates generally to an accessory tool for a vacuum cleaner, and more specifically, to a fluid distribution and recovery tool.
  • the accessory tool 10 comprises a tool body 16 that removably supports a recovery tank assembly 18 and a fan/turbine assembly 20 at a lower portion thereof, lower being defined as relative to the typical use position of the accessory tool 10, and a fluid dispensing assembly 22 at an upper portion thereof.
  • the recovery tank assembly 18 stores recovered cleaning fluid and dirt, while the fluid dispensing assembly 22 stores cleaning fluid before it is distributed to the surface to be cleaned.
  • the recovery tank assembly 18 can further comprise an air/liquid separator from separating air from recovered cleaning fluid and dirt.
  • the cleaning fluid can comprise any suitable cleaning fluid, including, but not limited to, water, concentrated detergent, diluted detergent, and the like.
  • the fan/turbine assembly 20 is generally positioned between the tool body 16 and the recovery tank assembly 18 and is used generate fluid and air flow through the accessory tool 10.
  • suction fan 84 and the turbine 86 are contained within separate chambers 89, 91, fluid from the wet portion of the pathway B is prevented from entering the vacuum cleaner 14 through the dry portion of the airflow pathway A. Furthermore, a seal (not shown) can be used at the bearing to prevent fluid from getting into the bearing 96, and potentially into the dry portion of the pathway A.
  • the agitator assembly 216 comprises a generally cylindrical agitator body 224 having a first end 226 that is mounted within the first agitator retainer 212 and a second end 228 that is mounted within the second agitator retainer 214.
  • An agitator surface such as bristles 230, is provided on the agitator body 224 between the first and second ends 226, 228 for scrubbing or otherwise agitating the surface to be cleaned.
  • the bristles 230 can be sufficiently resilient so that they deform to allow the agitator assembly 216 to be inserted through the opening 222.
  • the recovery tank 302 further includes a support frame 316 that adds rigidity to the recovery tank 302 and can comprise multiple vertical pieces 318 extending along the peripheral wall 308 from the closed bottom 310 to the tank cap 314 that are joined by a circular piece 320 extending around the inside circumference of the peripheral wall 308.
  • the outlet of the pump housing 510 preferably comprises a fluid flow controller 520, such as a solenoid valve or a mechanical valve, that allows pressurized fluid to flow from the pump chamber 516 to a fluid distributor 522 upon actuation of the fluid flow controller 520, which can be effected using an electrical or mechanical coupling between the fluid flow controller 520 and a user-accessible actuator 524.
  • the user-accessible actuator 524 is preferably provided on the tool body 16"'near the hose connector 30"', which provides a convenient place for the user to grip the accessory tool 10'" while being able to selectively press the actuator 524 using the thumb or finger of the gripping hand.
  • the extraction cleaner 612 may include a fluid delivery system for storing and delivering a cleaning fluid to the surface to be cleaned and a fluid recovery system or a suction system for extracting and storing the dispensed cleaning fluid and debris from the surface to be cleaned.
  • the components of the fluid delivery system and the fluid recovery system can be supported by either or both the base assembly 618 and the handle assembly 616. In the illustrated embodiment, the components are primarily supported by the base assembly 618.
  • the suction nozzle 644 is at one end of the housing assembly 640 and the suction outlet opening 642 is at the opposing end.
  • the suction hose 630 can fluidly couple the suction nozzle 644 of the accessory tool 610 to the motor/fan assembly 628 to establish a suction flow path from the suction nozzle 644 of the accessory tool 610 through the suction hose 630, recovery tank 626 and working air conduit associated with the base 618, to the motor/fan assembly 628.
  • An auxiliary recovery tank 650 can be coupled to the housing assembly 640.
  • the accessory tool may also include a fluid dispensing assembly 660, an agitator assembly 656, and a backflow preventer 670.
  • the housing assembly 640 can include a cover 648 and an air/liquid separator 654 for separating air from liquid drawn into the auxiliary recovery tank 650 through the suction nozzle 644.
  • the air/liquid separator 654 can be secured to either of the housing assembly 640 or auxiliary recovery tank 650.
  • the air/liquid separator can be formed integrally with the housing assembly 640 or the auxiliary recovery tank 650. As shown in Figures, the air/liquid separator 654 has been illustrated as a separate component that is fastened to the housing assembly 640 for exemplary purposes only.
  • a suction flow path is established from the suction nozzle 644, through the auxiliary recovery tank 650, and to the suction outlet opening 642 when suction is applied at the suction outlet opening 642.
  • Fluid and dirt drawn in through the suction nozzle 644 are deposited and retained in the auxiliary recovery tank 650 and separated air can travel from the auxiliary recovery tank 650 to the suction outlet opening 642.
  • the arrangement of the backflow preventer 670 prevents fluid from leaking out of the auxiliary recovery tank 650 and exiting the accessory tool 610 through the suction nozzle 644.
  • the backflow preventer 670 opens when the accessory tool 610 is connected to the suction hose 630 and exposed to a working airflow and allows air and liquid to pass freely there through in the direction from the suction nozzle 644 into the auxiliary recovery tank 650.
  • the working airflow is schematically illustrated as arrows 686.
  • the backflow preventer 670 closes and blocks the flow of air and liquid in the reverse direction, from the auxiliary recovery tank 650 through the suction nozzle 644.
  • the tortuous path portion 680 and optional liquid flow preventer 682 can prevent liquid from leaking out of the auxiliary recovery tank 650 and exiting the accessory tool 610 through the suction outlet opening 642. Accordingly, the accessory tool 610 can be tilted in many different orientations during use and storage without liquid inadvertently being leaked out of the tool through the suction outlet opening 642. Moreover, the tortuous path portion 680 prevents soiled liquid in the auxiliary recovery tank 650 from being transported through the suction hose 630, recovery tank 626 and working air conduit and being ingested into the motor/fan assembly 628.
  • the accessory tool 610 can be used with a portable extraction cleaner. It will also be understood that the accessory tool 610 can be used with the dry vacuum cleaners described above and that the previously described accessory tools can be used with the extraction cleaner 612.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Cleaning In General (AREA)
EP13165273.7A 2012-04-26 2013-04-25 Accessory tool for a vacuum cleaner Active EP2656765B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/456,285 US9186028B2 (en) 2007-03-05 2012-04-26 Accessory tool for a vacuum cleaner

Publications (3)

Publication Number Publication Date
EP2656765A2 EP2656765A2 (en) 2013-10-30
EP2656765A3 EP2656765A3 (en) 2015-09-09
EP2656765B1 true EP2656765B1 (en) 2016-11-23

Family

ID=48190211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13165273.7A Active EP2656765B1 (en) 2012-04-26 2013-04-25 Accessory tool for a vacuum cleaner

Country Status (6)

Country Link
EP (1) EP2656765B1 (zh)
CN (1) CN103494577B (zh)
AU (1) AU2013205286B2 (zh)
CA (1) CA2813916C (zh)
IL (1) IL225844A (zh)
RU (1) RU2622786C2 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020061424A1 (en) * 2018-09-21 2020-03-26 Tti (Macao Commercial Offshore) Limited Cleaning tool for an extractor
CN113796791B (zh) * 2020-06-12 2022-05-27 苏州瑞久智能科技有限公司 表面清洁设备
CN114947636B (zh) * 2022-04-24 2023-06-16 苏州爱普电器有限公司 表面清洁设备

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341541A (en) * 1992-09-09 1994-08-30 Sham John C K Portable steam vacuum cleaner
GB9221178D0 (en) * 1992-10-08 1992-11-25 Vax Appliances Ltd Pick-up heads for vacuum cleaners
AU5120693A (en) * 1992-10-13 1994-05-09 Kipley Roydon Marks Separator
US5600866A (en) * 1995-12-12 1997-02-11 Shop Vac Corporation Cleaning fluid tank assembly
US6131237A (en) 1997-07-09 2000-10-17 Bissell Homecare, Inc. Upright extraction cleaning machine
US6324723B1 (en) * 2000-06-14 2001-12-04 The Scott Fetzer Company Wet pickup attachment for vacuum cleaners
US6810557B2 (en) 2002-01-28 2004-11-02 Bissell Homecare, Inc. Cyclone separator with vacillating debris inhibitor
KR100509057B1 (ko) * 2002-10-23 2005-08-18 엘지전자 주식회사 진공청소기용 흡입노즐
DE102004009908B4 (de) * 2004-02-26 2006-04-27 Wessel-Werk Gmbh Staubsaugerdüse
GB2449463A (en) * 2007-05-23 2008-11-26 Alan Eric Gillett Accessory tool for a vacuum cleaner
US8261407B2 (en) * 2009-09-01 2012-09-11 Techtronic Floor Care Technology Limited Vacuum cleaner accessory tool
GB2477302B (en) * 2010-01-28 2014-06-04 Dyson Technology Ltd A suction tool assembly for a vacuum cleaning appliance

Also Published As

Publication number Publication date
RU2013119399A (ru) 2014-10-27
CA2813916C (en) 2019-03-05
CN103494577B (zh) 2016-12-28
IL225844A0 (en) 2013-09-30
EP2656765A3 (en) 2015-09-09
AU2013205286A1 (en) 2013-11-14
IL225844A (en) 2017-09-28
CN103494577A (zh) 2014-01-08
CA2813916A1 (en) 2013-10-26
RU2622786C2 (ru) 2017-06-20
AU2013205286B2 (en) 2017-08-03
EP2656765A2 (en) 2013-10-30

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