US20210127935A1 - Surface cleaning extractor - Google Patents

Surface cleaning extractor Download PDF

Info

Publication number
US20210127935A1
US20210127935A1 US17/083,982 US202017083982A US2021127935A1 US 20210127935 A1 US20210127935 A1 US 20210127935A1 US 202017083982 A US202017083982 A US 202017083982A US 2021127935 A1 US2021127935 A1 US 2021127935A1
Authority
US
United States
Prior art keywords
base
brush roll
extractor
coupled
fluid distributor
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
US17/083,982
Other languages
English (en)
Inventor
Juan Aviles Quintero
Tyler Clas
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.)
Techtronic Floor Care Technology Ltd
Original Assignee
Techtronic Cordless GP
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 Techtronic Cordless GP filed Critical Techtronic Cordless GP
Priority to US17/083,982 priority Critical patent/US20210127935A1/en
Assigned to TECHTRONIC CORDLESS GP reassignment TECHTRONIC CORDLESS GP ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED
Assigned to TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED reassignment TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TTI (MACAO COMMERCIAL OFFSHORE) LIMITED
Assigned to TTI (MACAO COMMERCIAL OFFSHORE) LIMITED reassignment TTI (MACAO COMMERCIAL OFFSHORE) LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Clas, Tyler
Assigned to TTI (MACAO COMMERCIAL OFFSHORE) LIMITED reassignment TTI (MACAO COMMERCIAL OFFSHORE) LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: QUINTERO, Juan Aviles
Publication of US20210127935A1 publication Critical patent/US20210127935A1/en
Assigned to TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED reassignment TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED ASSIGNMENT AGREEMENT Assignors: TECHTRONIC CORDLESS GP
Abandoned legal-status Critical Current

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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • 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
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • 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
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • 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
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits
    • 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

Definitions

  • the present invention relates to surface cleaning extractors, and more particularly to surface cleaning extractors including removable brush rolls.
  • an extractor in one embodiment, includes a body, a recovery tank coupled to the body, and a liquid tank coupled to the body.
  • the liquid tank is configured to hold a liquid.
  • the extractor also includes a base pivotably coupled to the body and configured to support the body above a cleaning surface.
  • the extractor further includes a fluid distributor coupled to the base.
  • the fluid distributor is in fluid communication with the liquid tank and configured to dispense the liquid from the liquid tank onto the cleaning surface.
  • the extractor further includes a brush roll removably coupled to the base and a nozzle in fluid communication with the recovery tank.
  • the nozzle is coupled to the base to block access to the brush roll.
  • the nozzle is moveable relative to the base and the fluid distributor allowing access to the brush roll and enabling removal of the brush roll from the base.
  • an extractor in another embodiment, includes a liquid tank configured to hold a liquid, a fluid distributor configured to dispense the liquid from the liquid tank onto a cleaning surface, a base supporting the fluid distributor, a brush roll coupled to the base, and a cover coupled to the base to block access to the brush roll.
  • the cover is moveable relative to the base and the fluid distributor allowing access to the brush roll.
  • FIG. 1 is a perspective view of a surface cleaning extractor including a body pivotably coupled to a base.
  • FIG. 2 is a perspective view of the base of FIG. 1 with brush rolls removed from the base.
  • FIG. 3 is a top view of the base of FIG. 2 .
  • FIG. 4 is a perspective view of brush rolls of the surface cleaning extractor of FIG. 1 .
  • FIG. 5 is a perspective view of the base of FIG. 1 illustrating a cover removed from the base allowing access to the brush rolls.
  • FIG. 6 is a perspective view of the base of FIG. 1 illustrating one brush roll being partially removed or partially inserted relative to the base and another brush roll coupled to the base.
  • a surface cleaning extractor 10 (e.g., an upright-style carpet extractor) is illustrated in FIG. 1 positioned on a cleaning surface 15 and includes a body 20 having a suction motor 25 pivotably coupled to a base 30 between an upright or storage position ( FIG. 1 ) and an inclined or operable position (not shown).
  • the base 30 includes a fluid distributor 175 ( FIG. 2 ) configured to dispense liquid onto the surface 15 to be cleaned and at least a first brush roll 65 a operably disposed in the base 30 .
  • the first brush roll 65 a is removable from the base 30 through a top 75 of the base 30 adjacent the fluid distributor 175 .
  • the extractor 10 can be a portable handheld extractor or accessory, an upright-style vacuum cleaner with fluid distribution, a canister-style cleaner with fluid distribution, a power sweeper with fluid distribution, a hard floor cleaner, etc.
  • the base 30 can be a handheld auxiliary attachment to the extractor 10 .
  • the illustrated body 20 includes a handle 35 operable by a user to push the extractor 10 in a forward direction 40 or pull the extractor 10 in a rearward direction 45 .
  • a liquid tank 50 is selectively coupled to the body 20 or the base 30 in communication with the fluid distributor 175 and holds a cleaning liquid (e.g., a mixture of water and cleaning solution).
  • a recovery tank 55 is selectively coupled to the body 20 or the base 30 and holds debris and dirty liquid collected by the extractor 10 from the cleaning surface 15 during operation.
  • the base 30 includes a head 60 supporting the first brush roll 65 a and a second brush roll 65 b.
  • the head 60 includes a bottom 70 that faces the cleaning surface 15 and the top 75 opposite the bottom 70 .
  • the head 60 also includes a first side wall 80 , a second side wall 85 ( FIG. 3 ) opposite the first side wall 80 , and a lateral wall 90 extending between the first and second side walls 80 , 85 .
  • the walls 80 , 85 , 90 extend between the bottom 70 and the top 75 of the head 60 .
  • Drive protrusions 95 a, 95 b are located on the first side wall 80 and are driven by an electric motor (not shown) coupled to the base 30 .
  • supports 100 a, 100 b are located on the second side wall 85 each positioned opposite a corresponding drive protrusion 95 a, 95 b.
  • the drive protrusions 95 a, 95 b and the supports 100 a, 100 b are operable to support the first and second brush rolls 65 a, 65 b to the base 30 , as discussed in more detail below.
  • the first and second side walls 80 , 85 and the lateral wall 90 define a cavity 105 of the base 30 .
  • the illustrated base 30 also includes a front opening 110 opposite the lateral wall 90 .
  • the front opening 110 can be replaced by a wall extending between the first and second side walls 80 , 85 opposite the lateral wall 90 .
  • the base 30 includes wheels (only one wheel 115 is shown in FIG. 1 ) that engage the cleaning surface 15 (e.g., carpet, hard wood floor, etc.) and enable movement of the extractor 10 in either the forward direction 40 or the rearward direction 45 .
  • the cleaning surface 15 e.g., carpet, hard wood floor, etc.
  • the base 30 also includes a cover 120 (e.g., a transparent cover) selectively coupled to the base 30 to cover the top 75 of the base 30 that defines a portion of the cavity 105 and the front opening 110 .
  • the cover 120 includes a nozzle 125 in fluid communication with the recovery tank 55 by a passageway at least defined by an inlet 130 coupled to the top 75 of the head 60 and a flexible conduit 135 extending between the inlet 130 and the body 20 .
  • the nozzle 125 includes a nozzle passageway 136 formed between an upper wall 137 of the nozzle 125 and a lower wall 138 of the nozzle 125 .
  • the nozzle passageway 136 extends from a nozzle inlet 139 to a nozzle outlet 141 .
  • a latch 140 of the cover 120 engages the inlet 130 to secure the cover 120 to the base 30 with the nozzle outlet 141 in communication with the inlet 130 .
  • the cover 120 is completely disconnected from the base 30 by releasing the latch 140 from the inlet 130 ( FIG. 5 ).
  • the cover 120 can remain coupled to the base 30 and moveable (e.g., pivotable) between a closed or secured position and an open position.
  • each brush roll 65 a, 65 b includes deformable brush members 145 a, 145 b (e.g., bristles) coupled to a brush roll body 150 a, 150 b with each brush roll body 150 a, 150 b having a recess 155 a, 155 b at one end operable to drivingly engage the corresponding drive protrusions 95 a, 95 b, a base mount 160 a, 160 b at the other end, and a longitudinal axis 165 a, 165 b extending between the recess 155 a, 155 b and the base mount 160 a , 160 b.
  • deformable brush members 145 a, 145 b e.g., bristles
  • Each base mount 160 a, 160 b is configured to releasably couple with corresponding supports 100 a, 100 b.
  • Each brush roll body 150 a, 150 b includes a maximum dimension 170 measured perpendicular to its respective longitudinal axis 165 a, 165 b.
  • a bearing is positioned between each base mount 160 a, 160 b and the corresponding brush roll body 150 a, 150 b enabling the brush roll body 150 a, 150 b to rotate about its longitudinal axis 165 a, 165 b relative to the corresponding base mount 160 a, 160 b and supports 100 a, 100 b.
  • the drive protrusions 95 a, 95 b can be coupled to the first and second brush rolls 65 a, 65 b and the corresponding recesses 155 a, 155 b can be formed within the first side wall 80 of the base 30 .
  • various base mounts 160 a, 160 b can be provided to couple the bearings and the supports 100 a, 100 b to install the brush rolls 65 a, 65 b.
  • the fluid distributor 175 is positioned within the cavity 105 and extends between the first and second side walls 80 , 85 of the head 60 .
  • the fluid distributor 175 is spaced from the lateral wall 90 by a first dimension 180 measured parallel to the forward and rearward directions 40 , 45 .
  • the fluid distributor 175 is fixedly coupled to the head 60 and is in fluid communication with the liquid tank 50 to dispense the liquid within the liquid tank 50 onto the cleaning surface 15 .
  • the fluid distributor 175 is removable from the base 30 .
  • a pressurized liquid delivery system is coupled to the liquid tank 50 and the fluid distributor 175 to dispense liquid through at least one nozzle of the fluid distributor 175 at a determined pressure.
  • a gravity-feed liquid delivery system is coupled to the liquid tank 50 and the fluid distributor 175 to dispense liquid through the fluid distributor 175 due to gravity.
  • the fluid distributor 175 can be positioned in the front opening 110 (e.g., in front of the second brush roll 65 b ) or coupled to the lateral wall 90 (e.g., behind the first brush roll 65 a ).
  • the base 30 can include more than one fluid distributor 175 .
  • the brush rolls 65 a, 65 b are independently removable from the base 30 to facilitate cleaning of the brush rolls 65 a, 65 b.
  • the cover 120 is disconnected from the base 30 by actuating the latch 140 from the inlet 130 ( FIG. 5 ).
  • the cover 120 moves relative to the base 30 and the fluid distributor 175 allowing physical access to the brush rolls 65 a, 65 b while the base 30 is supported on the cleaning surface 15 .
  • the cover 120 is opened or removed, which also fluidly decouples the nozzle outlet 141 from the conduit 135 , the user is able to touch the brush rolls 65 a, 65 b to inspect the brush rolls 65 a, 65 b and/or remove the brush rolls 65 a, 65 b from the base 30 .
  • the cover 120 is movable relative to the base 30 to open the top 75 of the base 30 allowing removal of the brush rolls 65 a, 65 b from the base 30 through the top 75 of the base 30 adjacent the fluid distributor 175 . As shown in FIG.
  • the first brush roll 65 a is positioned between the fluid distributor 175 and the lateral wall 90 such that the first brush roll 65 a moves past the fluid distributor 175 in an upward vertical direction 185 as the first brush roll 65 a is removed from the base 30 .
  • the vertical direction 185 is perpendicular to the forward and rearward directions 40 , 45 . In other embodiments, the vertical direction 185 can be obliquely oriented relative to the directions 40 , 45 .
  • an intermediate cover is provided between the cover 120 and the brush roll 65 a, 65 b that is accessible and openable or removable when the cover 120 is disconnected.
  • the fluid distributor 175 is positioned on the base 30 as to not impede removal of the brush rolls 65 a, 65 b. Accordingly, the cover 120 and the fluid distributor 175 allow for easy access, removal, and cleaning of the brush rolls 65 a, 65 b while the extractor 10 is in the upright position ( FIG. 1 ).
  • the brush rolls 65 a, 65 b are independently coupled to the base 30 .
  • the first brush roll 65 a is insertable into the cavity 105 between the fluid distributor 175 and the lateral wall 90 in a downward vertical direction 190 from the top 75 to the bottom 70 of the base 30 .
  • the downward vertical direction 190 is opposite the upward direction 185 .
  • the downward vertical direction 190 can be obliquely oriented relative to the forward and rearward directions 40 , 45 .
  • the first dimension 180 of the base 30 is greater than the maximum dimension 170 of the first brush roll 65 a allowing the first brush roll 65 a to be inserted between the lateral wall 90 and the fluid distributor 175 .
  • the first deformable brush members 145 a can include a dimension greater than the first dimension 180 of the base 30 causing the first deformable brush members 145 a to contact the lateral wall 90 and/or the fluid distributor 175 and deform while the first brush roll 65 a is inserted into the cavity 105 .
  • the first recess 155 a receives the first drive protrusion 95 a to provide a pivot point for the first brush roll 65 a to then pivot the first base mount 160 a into engagement with the first support 100 a.
  • the engagement between the first base mount 160 a and the first support 100 a can be a snap fit engagement, or the like, to hold the first brush roll 65 a to the base 30 .
  • the first drive protrusion 95 a is operable to drive the first brush roll 65 a about a first rotational axis concentric with its longitudinal axis 165 a while the first support 100 a and the first base mount 160 a support rotational movement of the first brush roll 65 a.
  • the second brush roll 65 b can be coupled to the base 30 in a similar manner as the first brush roll 65 a. When the cover 120 is removed from the base 30 , the second brush roll 65 b is inserted into the cavity 105 between the fluid distributor 175 and the front opening 110 in the downward direction 190 .
  • the second brush roll 65 b can also be coupled to the base 30 by inserting the second brush roll 65 b through the front opening 110 in a rearward horizontal direction 195 perpendicular to the downward direction 190 (e.g., parallel to the rearward direction 45 ). In other embodiments, the second brush roll 65 b can be inserted into the cavity 105 at any angle between the downward direction 190 and the horizontal direction 195 .
  • the second recess 155 b receives the second drive protrusion 95 b to provide a pivot point for the second brush roll 65 b to then pivot the second base mount 160 b into engagement with the second support 100 b.
  • the engagement between the second base mount 160 b and the second support 100 b can be a snap fit engagement, or the like, to hold the second brush roll 65 b to the base 30 .
  • the second drive protrusion 95 b is operable to drive the second brush roll 65 b about a second rotational axis concentric with its longitudinal axis 165 b while the second support 100 b and the second base mount 160 b support rotational movement of the second brush roll 65 b.
  • the steps to couple the first and second brush rolls 65 a, 65 b to the base 30 are reversed to remove the first and second brush rolls 65 a, 65 b from the base 30 .
  • the cover 120 is coupled to the base 30 by actuating the latch 140 on the inlet 130 , thus blocking access to the brush rolls 65 a, 65 b as the base 30 is supported on the surface 15 .
  • the fluid distributor 175 is manually coupled to the base 30 by the user before the cover 120 is coupled to the base 30 .
  • the fluid distributor 175 is coupled to the base 30 in response to the cover 120 being coupled to the base 30 .
  • the suction motor 25 provides an airflow from the nozzle inlet 139 through the nozzle passageway 136 and the conduit 135 to the recovery tank 55 to draw debris into the recovery tank 55 .
  • the brush rolls 65 a, 65 b are driven about their rotational axes 165 a , 165 b to agitate the cleaning surface 15 to loosen debris that is attached to or embedded in the cleaning surface 15 allowing the airflow to more easily collect the debris.
  • the cleaning liquid within the liquid tank 50 is selectively applied to the cleaning surface 15 by the fluid distributor 175 to help further loosen the debris and clean the surface 15 .
  • the fluid distributor 175 is positioned between the brush rolls 65 a, 65 b such that the cleaning liquid is dispensed between the brush rolls 65 a, 65 b.
  • the fluid distributor 175 is positioned above the rotational axes 165 a, 165 b of the brush rolls 65 a, 65 b in the upward direction 185 , thus in some embodiments, some of the cleaning liquid is dispensed directly onto the brush rolls 65 a, 65 b (e.g., to help clean the brush rolls 65 a, 65 b during operation).

Landscapes

  • Cleaning In General (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Brushes (AREA)
  • Cleaning By Liquid Or Steam (AREA)
US17/083,982 2019-10-31 2020-10-29 Surface cleaning extractor Abandoned US20210127935A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/083,982 US20210127935A1 (en) 2019-10-31 2020-10-29 Surface cleaning extractor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962928689P 2019-10-31 2019-10-31
US17/083,982 US20210127935A1 (en) 2019-10-31 2020-10-29 Surface cleaning extractor

Publications (1)

Publication Number Publication Date
US20210127935A1 true US20210127935A1 (en) 2021-05-06

Family

ID=73646417

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/083,982 Abandoned US20210127935A1 (en) 2019-10-31 2020-10-29 Surface cleaning extractor

Country Status (7)

Country Link
US (1) US20210127935A1 (ko)
EP (1) EP4051076A1 (ko)
JP (1) JP2023500478A (ko)
KR (1) KR20220071969A (ko)
CN (1) CN114641230A (ko)
AU (1) AU2020375829A1 (ko)
WO (1) WO2021087102A1 (ko)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5584095A (en) * 1993-07-09 1996-12-17 Philips Electronics North America Corporation Vacuum cleaner having improved steering features
US20020092122A1 (en) * 2001-01-12 2002-07-18 Zahuranec Terry L. Carpet extractor with dual nozzles for dual brushrolls

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0720239B1 (pt) * 2006-12-13 2018-09-25 Electrolux Ab dispositivo para limpeza de piso seco/úmido
AU2016101525A4 (en) * 2015-09-14 2016-09-29 Bissell Inc. Surface cleaning apparatus
US10702108B2 (en) * 2015-09-28 2020-07-07 Sharkninja Operating Llc Surface cleaning head for vacuum cleaner
CN208510945U (zh) * 2017-10-31 2019-02-19 苏州德莱电器有限公司 一种地面清洗机
US11219347B2 (en) * 2017-12-22 2022-01-11 Bissell Inc. Robotic cleaner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5584095A (en) * 1993-07-09 1996-12-17 Philips Electronics North America Corporation Vacuum cleaner having improved steering features
US20020092122A1 (en) * 2001-01-12 2002-07-18 Zahuranec Terry L. Carpet extractor with dual nozzles for dual brushrolls

Also Published As

Publication number Publication date
JP2023500478A (ja) 2023-01-06
CN114641230A (zh) 2022-06-17
WO2021087102A1 (en) 2021-05-06
EP4051076A1 (en) 2022-09-07
AU2020375829A1 (en) 2022-04-21
KR20220071969A (ko) 2022-05-31

Similar Documents

Publication Publication Date Title
US11607100B2 (en) Extraction cleaner
US9717389B2 (en) Extraction cleaner
JPH02255118A (ja) 床洗浄装置
JP2000201862A (ja) カ―ペット掃除機
AU2006282894B2 (en) Wall mountable liquid-dispensing attachment for a vacuum cleaner
GB2419809A (en) Liquid dispensing suction head for a wet/ dry cleaner
JP2023500481A (ja) 床クリーナ用のブラシロール
CN215605455U (zh) 无绳洗地机
US20210127935A1 (en) Surface cleaning extractor
US20240148205A1 (en) Supplying liquid to at least one wheel of a suction head
US20240032763A1 (en) Supplying liquid to at least one area of a surface to be cleaned
EP4364629A1 (en) Cleaning apparatus
US20240156311A1 (en) Suction head for application in a vacuum cleaner
WO2023192826A1 (en) Surface cleaning apparatus including a removable brushroll drive train
CN115707424A (zh) 湿式表面清洁设备
KR100595544B1 (ko) 급수통/집수통의 착,탈이 용이한 물청소기
CN115530689A (zh) 地面清洁装置

Legal Events

Date Code Title Description
STPP Information on status: patent application and granting procedure in general

Free format text: APPLICATION DISPATCHED FROM PREEXAM, NOT YET DOCKETED

AS Assignment

Owner name: TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED, VIRGIN ISLANDS, BRITISH

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TTI (MACAO COMMERCIAL OFFSHORE) LIMITED;REEL/FRAME:055039/0212

Effective date: 20191217

Owner name: TTI (MACAO COMMERCIAL OFFSHORE) LIMITED, MACAU

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:QUINTERO, JUAN AVILES;REEL/FRAME:055039/0075

Effective date: 20191025

Owner name: TTI (MACAO COMMERCIAL OFFSHORE) LIMITED, WISCONSIN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CLAS, TYLER;REEL/FRAME:055039/0109

Effective date: 20191025

Owner name: TECHTRONIC CORDLESS GP, SOUTH CAROLINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED;REEL/FRAME:055039/0275

Effective date: 20200128

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER

STPP Information on status: patent application and granting procedure in general

Free format text: FINAL REJECTION MAILED

AS Assignment

Owner name: TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED, VIRGIN ISLANDS, BRITISH

Free format text: ASSIGNMENT AGREEMENT;ASSIGNOR:TECHTRONIC CORDLESS GP;REEL/FRAME:064257/0793

Effective date: 20230516

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION