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US3871051A - Machine for cleaning carpets and the like - Google Patents

Machine for cleaning carpets and the like Download PDF

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Publication number
US3871051A
US3871051A US39654773A US3871051A US 3871051 A US3871051 A US 3871051A US 39654773 A US39654773 A US 39654773A US 3871051 A US3871051 A US 3871051A
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means
rug
cleaning
brush
machine
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Sidney Wellington Collier
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SYD W COLLIER CO Ltd
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SYD W COLLIER CO Ltd
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/02Nozzles
    • A47L9/04Nozzles with driven brushes or agitators
    • A47L9/0405Driving means for the brushes or agitators
    • A47L9/0411Driving means for the brushes or agitators driven by electric motor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02Floor surfacing or polishing machines
    • A47L11/20Floor surfacing or polishing machines combined with vacuum cleaning devices
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4036Parts or details of the surface treating tools
    • A47L11/4041Roll shaped surface treating tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4036Parts or details of the surface treating tools
    • A47L11/4044Vacuuming or pick-up tools; Squeegees
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/408Means for supplying cleaning or surface treating agents
    • A47L11/4088Supply pumps; Spraying devices; Supply conduits
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/02Nozzles
    • A47L9/04Nozzles with driven brushes or agitators
    • A47L9/0494Height adjustment of dust-loosening tools

Abstract

A rug cleaning machine of the type having means for applying cleaning fluid to a rug, means for brushing said rug immediately after application of the cleaning fluid, and means for applying vacuum to the rug immediately after the brushing, characterized in that the means for brushing the rug comprises a rotary brush adjustably movable towards and from the rug pile, and the machine is provided with means for adjusting the brush.

Description

O United States Patent 11 1 1111 3,871,051 Collier 1 Mar. 18, 1975 [54] MACHINE FOR CLEANING CARPETS AND 3,402,420 9/1968 Schaeffer .1 15/320 THE I 3,663,984 /1972 Anthony et a1. 15/321 3,699,607 /1972 Putt l5/320 [75] Inventor: Sidney We ingt Co Norval, 3.711391 1/1973 Conway /322 x Ontario Canada FOREIGN PATENTS OR APPLICATIONS [73] Assignee: Syd W. Collier Co. Ltd., 892 658 3/1962 181'. HR Mississauga, Ontario, Canada led l'l I111 1 Filedl 2, 1973 Primary Examiner-Harvey C. Hornsby 2 Appl. 39 547 Assistant Examiner-C. K. Moore 52 US. Cl 15/321, 15/368, 15/415 ABSTRACT [51] Int. Cl A471 7/00 A w l g c eamng machine of the type havmg means for [58] Fleld of Search l5/320, 321, 322, 368, applying cleaning fluid to a rug, means for brushing 15/3721 422 said rug immediately after application of the cleaning fluid, and means for applying vacuum to the rug im- [56] References C'ted mediately after the brushing, characterized in that the U TED STATES PATENTS means for brushing the rug comprises arotary brush 1,711,380 4/1929 Giampolini 15/320 adjustably mo able to ard n ro e ug p e, and 1,752,882 4/1930 Boutwell 15/320 the machine is provided with means for adjusting the 1,975,380 10/1934 Streich et a1 15/320 bru h, 2,893,048 7/1959 Martinecu. 15/422 2,997,730 8/1961 Dierks 15/368 8 Claims, 3 Drawing Figures rrn I 4 1 L///////I/!/:' ,7 23 III l Q l5 1: ,1m\\. 4 I l 1 o *1 1 Ag \ti 5'- i [1! k2... 4 I I l I' l. I 32 2"5 MACHINE FOR CLEANING CARPETS AND THE LIKE I FIELD OF THE INVENTION This invention relates to a novel rug and carpet cleaning head or machine for both domestic and commercial application.

BACKGROUND OF THE INVENTION With the increased use of carpeting on floors both in homes and in offices, the problem of keeping the carpets and rugs clean efficiently and inexpensively has been greatly accentuated. In the past, there have been a variety of methods used to clean carpets and rugs which heretofore have proven to be unsatisfactory. Some of these unsatisfactory methods such as using a shampoo and scrubbing were time consuming since it required a number of steps before the cleaning operation was completed. It also left the cleaning solution in the rug to dry which is detrimental to the life of the rug. Other methods were unsatisfactory when used on thick or shag carpets since the dirt at the bottom of the pile would remain essentially untouched while the dirt at v the top was merely washed further down into the pile. Further, these old methods left the rugs and carpets with a shabby appearance and reduced their life expectancy due to the moisture and dirt being left in the pile. With the increased use of rugs and carpets, the need for a better cleaning method has been greatly increased, which need has not been satisfactorily met prior to the present invention.

SUMMARY OF THE INVENTION Accordingly, it is an object of the invention to provide a very efficient cleaning head or machine which applies hot cleaning solution to the rug in a manner to penetrate to the full depth of the rug pile, vigorously brushes the pile irrespective of its depth and vacuums the dirt and moisture (to leave a clean, essentially dry rug) in a single passage of the machine.

It is another object of the invention to provide a brush which is very easily adjusted to suit the height of pile.

It is a further object of the invention to provide jet stream outlet nozzles which provide a predetermined deep penetrating spray pattern over the carpet surface irrespective of the brush adjustment.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of the cleaning machine with part of the outer casing cut away to show the brush and pulley arrangement.

FIG. 2 is a bottom perspective view of the cleaning machine showing the relationship between the vacuum nozzle, the reel-type brush and the solution-applying tube and nozzle.

FIG. 3 is a view tak along the line 3 3 of FIG. 2.

DETAILED DESCRIPTION OF THE DRAWINGS Referring now to the drawings, there is shown a cleaning head or machine generally designated at having a outer casing 11, a handle 12 pivotally connected at 13 at the end 29 of machine 10. Also adjacent end 29 of the machine 10 are wheels 14 for easier manoeuvering and handling of the machine to position the machine for the cleaning operation. At the opposite end 15 of machine 10 is located a narrow elongated vacuum nozzle 16 running the width of the machine. As can be seen from FIG. 3, the nozzle extends below the wheels 14 and brush 21 and is shaped to form a skid on which the free end of the head rides to ensure positive pile penetrating contact with the carpet to maximize the effect of the vacuum. The nozzle has two parallel spaced apart walls 15 and 17 which are joined on three sides to form a chamber and the fourth side which is open forms a narrow elongated opening 18 adjacent the rug. Fitted over opening 18 is a channel shaped nozzle shoe 30 with opening 31 matching opening 18. Shoe 30 is held in place by bolts 32 and is sealed by a silicone sealant to prevent leakage therearound so that the full effect of the vacuum is felt at opening 18. Shoe 30 aids in the smooth passage of the nozzle over the carpet surface as it presses into the pile. Centrally located on the closed side opposite opening 18 is a hose 19 which is in communication with nozzle 16 through which the spent cleaning fluid and dirt is vacuumed into a recovery tank (not shown).

Located in the cavity of outer casing 11 is a platform 20 which is parallel to and spaced apart from the top of outer casing 11. Located on platform 20 is a reeltype brush 21, a motor 22 and belt drive 23 connecting motor 22 and reel-type brush 21.

Platform 20 is pivotally mounted on outer casing 11 by means of pins 26 and the angle at which the platform is positioned with respect to the carpet is determined by adjusting knob 27 which adjusts the tilt of the platform 20 and locks it in place. Thus it can be seen that the reel-type brush 21 may be adjusted to accommodate different thicknesses of carpets and since the reeltype brush 21 and motor 22 are fixed on platform 20, belt 23 will remain taut regardless of the height at which brush 21 is set with respect to the carpet. Platform 20 has an elongated rectangular opening 33 to accommodate cylindrical tube 24 which is mounted on the underside of casing 11. Also located on platform 20 and at one edge of opening 33 is a splash guard 34 which protects the motor 22 from the sprays from outlet nozzles 25 and the brushing action.

Solution-applying cylindrical tube 24 is fixedly mounted on the under side of outer casing 11 and has located thereon spaced apart outlet nozzles 25, each adapted to eject a fine high velocity pile penetrating spray. In mounting the tube 24, brackets 35 are first secured to the outer casing, then tube 24 is adjusted until the sprays from the nozzles form a predetermined pattern, at which time adjusting bolts 36 are tightened. The ideal position is when the spray tangentially contacts the periphery of the brush when the brush is in its lowermost position 37. The spray pattern is such that no liquid is applied beyond the limits of the brush and vacuum nozzle to ensure that no streaking takes place due to the solution being left in the rug. Solutionapplying tube 24 is connected to a pressurized source of cleaning solution by means of inlet tubes 28. As can be seen from FIG. 2, and, more specifically, FIG. 3, the outlet nozzles are arranged to direct their jet spray in diverging directions so that the jets from adjacent nozzles do not interfere with each other. If interference is allowed to take place, the diverging streams will collide with each other, thereby interrupting their velocity and creating excessively wet rug surface areas instead of penetrating uniformly deep into the carpet pile. Again, this would tend to leave streaks in the rug.

be cleaned. To maximize the vacuum pressure, the operator lifts the machine slightly to direct the weight of the machine on the vacuum nozzle which gives a more positive contact between the vacuum nozzle and the carpet. In order to reduce snagging between the sharp edges of the vacuum nozzle and the carpet piles, shoe 30 is fitted over the vacuum nozzle. Located on handle 12 is a trigger mechanism (not shown in the drawings) which controls the flow of pressurized cleaning solution from the storage tank (also not shown) to outlet nozzles 25. Immediately after the application of the hot cleaning solution and as the machine is pulled further along the path, the reel-type brush 21, which is powered by means of motor 22 and drive belt 23, brushes the carpet surface to aid in the extraction of the dirt which is caught in the pile. This brushing action also tends to massage and revitalize the carpet pile to give it a fresh look. As machine is further pulled along the surface being cleaned, vacuum nozzle 16, which is in communication with a vacuum source and recovery tank through nozzle 19, draws up the spent cleaning fluid and dirt. Thus, in one sweep of the cleaning machine the carpet is washed, brushed and vacuumed dry.

While the ebmodiment of the invention has been par ticularly described, it will be understood that variations may be made, as will be apparent to those skilled in the art, without departing from the scope of the appended claims.

I claim:

1. A machine for cleaning rugs and the like comprising a horizontal elongated cylindrical tube for applying cleaning fluid to a rug, a reel-type brush parallel to and spaced apart from said cylindrical tube, and driven by a drive belt and a motor for brushing said rug immediately after application of said cleaning fluid, and an intake nozzle in communication with a vacuum source for applying vacuum to said rug immediately after said -brushing, said horizontal elongated cylindrical tube having at least one inlet means in communication with a pressurized cleaning fluid source and a plurality of axially spaced apart outlet means along the side of said tube adjacent said rug, said motor and said brush being mounted on an adjustable platform for adjusting said brush to the thickness of said rug while maintaining the distance between said brush and said motor constant at all times, irrespective of brush adjustment, said tube being fixedly secured at all times, whereby during brush adjustment the distance between horizontal tube and the rug surface remains constant; said platform being mounted on said machine to rotate about a horizontal axis, means for rotating said platform a limited distance about said horizontal axis to effect height adjustment of said brush relative to the rug surface and means for securing the platform in the adjusted position; and intake nozzle having an elongated rectangular intake opening parallel to and spaced apart from said brush and adjacent said rug, said intake nozzle being in communication with a vacuum source.

2. A machine as claimed in claim 1 wherein said outlet means are arranged such that adjoining outlet means provide diverging jet sprays such that the cleaning fluid jet spray from one outlet means does not interfere with the cleaning fluid jet spray from another outlet means while the cleaning fluid is being applied to said rug in a predetermined pattern.

3. A machine as claimed in claim 1 wherein said tube for applying cleaning fluid, said brush and said intake nozzle cover substantially the same width of rug.

4. A machine for cleaning rugs and the like comprising means for applying cleaning fluid to a rug. means for brushing said rug immediately after application of said cleaning fluid, and means for applying vacuum to said rug immediately after said brushing; said means for brushing the rug comprising a motor and a brush which are mounted on an adjustable platform in spaced relation, the distance between said motor and said brush being constant at all times, irrespective of brush adjustment; said brush being adjustable to the thickness of said rug, while the distance between said means for applying cleaning fluid and the rug surface remains constant, said platform being mounted on said machine to rotate about a horizontal axis, means for rotating said platform a limited distance about said horizontal axis to effect height adjustment of said brush relative to the rug surface and means for securing the platform in the adjusted position.

5. A machine as claimed in claim 4 in which said means for applying cleaning fluid comprises a longitudinal hollow bar having a horizontal axis and spaced a predetermined distance from said means for applying vacuum to said rug, said bar having an inlet passage and provided with a plurality of outlet nozzles spaced therealong, said bar being rotatable about its horizontal axis to adjust its spray pattern; said nozzles being arranged so that adjacent nozzles are directed in different radial directions with respect to the axis of said hollow bar.

6. A machine as claimed in claim 4 wherein said means for applying cleaning fluid, means for brushing and means for applying vacuum cover substantially the same widthof rug.

7. A machine as claimed in claim 4 wherein said means for applying cleaning fluid comprises a horizontal elongated cylindrical tube, having at least one inlet means in communication with a pressurized cleaning fluid source and a plurality of axially spaced apart outlet means along the side of said tube adjacent said rug through which said cleaning fluid is applied to said rug; said outlet means being nozzles which are arranged such that adjoining outlet means provide diverging jet sprays in different radial directions with respect to the axis of the tube such that the cleaning fluid jet spray from one outlet means is proximate to the cleaning fluid jet spray from another outlet means without interference between the two jet sprays while the cleaning fluid is being applied to said rug in a predetermined manner.

8. A machine as claimed in claim 4 wherein said means for applying vacuum comprises an intake nozzle having an elongated rectangular intake opening adjacent said rug, said nozzle in communication with a vac-

Claims (8)

1. A machine for cleaning rugs and the like comprising a horizontal elongated cylindrical tube for applying cleaning fluid to a rug, a reel-type brush parallel to and spaced apart from said cylindrical tube, and driven by a drive belt and a motor for brushing said rug immediately after application of said cleaning fluid, and an intake nozzle in communication with a vacuum source for applying vacuum to said rug immediately after said brushing, said horizontal elongated cylindrical tube having at least one inlet means in communication with a pressurized cleaning fluid source and a plurality of axially spaced apart outlet means along the side of said tube adjacent said rug, said motor and said brush being mounted on an adjustable platform for adjusting said brush to the thickness of said rug while maintaining the distance between said brush and said motor constant at all times, irrespective of brush adjustment, said tube being fixedly secured at all times, whereby during brush adjustment the distance between horizontal tube and the rug surface remains constant; said platform being mounted on said machine to rotate about a horizontal axis, means for rotating said platform a limited distance about said horizontal axis to effect height adjustment of said brush relative to the rug surface and means for securing the platform in the adjusted position; and intake nozzle having an elongated rectangular intake opening parallel to and spaced apart from said brush and adjacent said rug, said intake nozzle being in communication with a vacuum source.
2. A machine as claimed in claim 1 wherein said outlet means are arranged such that adjoining outlet means provide diverging jet sprays such that the cleaning fluid jet spray from one outlet means does not interfere with the cleaning fluid jet spray from another outlet means while the cleaning fluid is being applied to said rug in a predetermined pattern.
3. A machine as claimed in claim 1 wherein said tube for applying cleaning fluid, said brush and said intake nozzle cover substantially the same width of rug.
4. A machine for cleaning rugs and the like comprising means for applying cleaning fluid to a rug, means for brushing said rug immediately after application of said cleaning fluid, and means for applying vacuum to said rug immediately after said brushing; said means for brushing the rug comprising a motor and a brush which are mounted on an adjustable platform in spaced relation, the distance between said motor and said brush being constant at all times, irrespective of brush adjustment; said brush being adjustable to the thickness of said rug, while the distance between said means for applying cleaning fluid and the rug surface remains constant, said platform being mounTed on said machine to rotate about a horizontal axis, means for rotating said platform a limited distance about said horizontal axis to effect height adjustment of said brush relative to the rug surface and means for securing the platform in the adjusted position.
5. A machine as claimed in claim 4 in which said means for applying cleaning fluid comprises a longitudinal hollow bar having a horizontal axis and spaced a predetermined distance from said means for applying vacuum to said rug, said bar having an inlet passage and provided with a plurality of outlet nozzles spaced therealong, said bar being rotatable about its horizontal axis to adjust its spray pattern; said nozzles being arranged so that adjacent nozzles are directed in different radial directions with respect to the axis of said hollow bar.
6. A machine as claimed in claim 4 wherein said means for applying cleaning fluid, means for brushing and means for applying vacuum cover substantially the same width of rug.
7. A machine as claimed in claim 4 wherein said means for applying cleaning fluid comprises a horizontal elongated cylindrical tube, having at least one inlet means in communication with a pressurized cleaning fluid source and a plurality of axially spaced apart outlet means along the side of said tube adjacent said rug through which said cleaning fluid is applied to said rug; said outlet means being nozzles which are arranged such that adjoining outlet means provide diverging jet sprays in different radial directions with respect to the axis of the tube such that the cleaning fluid jet spray from one outlet means is proximate to the cleaning fluid jet spray from another outlet means without interference between the two jet sprays while the cleaning fluid is being applied to said rug in a predetermined manner.
8. A machine as claimed in claim 4 wherein said means for applying vacuum comprises an intake nozzle having an elongated rectangular intake opening adjacent said rug, said nozzle in communication with a vacuum source.
US3871051A 1973-09-12 1973-09-12 Machine for cleaning carpets and the like Expired - Lifetime US3871051A (en)

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139922A (en) * 1977-08-19 1979-02-20 Chester Fitch Carpet cleaning device
WO1981000805A1 (en) * 1979-09-28 1981-04-02 Wetrok Inc Carpet cleaning device
US4279056A (en) * 1979-11-30 1981-07-21 Crafco, Inc. Pavement joint and crack cleaning machine
US4375117A (en) * 1980-11-24 1983-03-01 Whirlpool Corporation Floor cleaner motor mount
US4392270A (en) * 1980-06-09 1983-07-12 Magee Enterprises Ltd. Surface cleaning apparatus
US4399577A (en) * 1981-10-05 1983-08-23 Pyle Clayton C Machine for cleaning grating over barn manure trough
US4413372A (en) * 1981-11-12 1983-11-08 Shop-Vac Corporation Shoe attachment for wet/dry electric vacuum cleaner
US4475265A (en) * 1983-06-13 1984-10-09 Shop-Vac Corporation Shoe attachment for wet/dry electric vacuum cleaner
US4521935A (en) * 1983-08-29 1985-06-11 Container Products Corp. Vacuum spray head
FR2565813A1 (en) * 1984-06-13 1985-12-20 Shop Vac Corp suction nozzle rotatable brush
US4633541A (en) * 1983-09-29 1987-01-06 Cooper Industries Floor treating machine
US4757566A (en) * 1987-07-27 1988-07-19 Tennant Company Control of torque in floor maintenance tools by drive motor load
US5367740A (en) * 1993-07-21 1994-11-29 Mccray; Kimothy R. Hand-held surface cleaning apparatus
EP0727171A2 (en) * 1995-02-16 1996-08-21 Stein & Co. GmbH Device for floor treating machines
US5782415A (en) * 1995-08-10 1998-07-21 Kepiro; Joseph Floor washer
US6030464A (en) * 1998-01-28 2000-02-29 Azevedo; Steven Method for diagnosing, cleaning and preserving carpeting and other fabrics
US6261379B1 (en) * 1999-06-01 2001-07-17 Fantom Technologies Inc. Floating agitator housing for a vacuum cleaner head
US6263539B1 (en) * 1999-12-23 2001-07-24 Taf Baig Carpet/floor cleaning wand and machine
US6406514B1 (en) * 2001-01-11 2002-06-18 Royal Appliance Mfg. Co. Vacuum cleaner base assembly
US6530117B2 (en) 2001-02-12 2003-03-11 Robert A. Peterson Wet vacuum
US20040172769A1 (en) * 2001-06-20 2004-09-09 Giddings Daniel G. Method and apparatus for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium
US20090094779A1 (en) * 2003-08-22 2009-04-16 Bissell Homecare, Inc. Bare floor cleaner with agitator lift
CN102995542A (en) * 2012-11-01 2013-03-27 铜陵隆顺环保设备有限公司 Rack of pavement joint cleaning machine
US20140189978A1 (en) * 2011-08-23 2014-07-10 Koninklijke Philips N.V. Cleaning device for cleaning a surface comprising a brush and a squeegee element

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US1975380A (en) * 1932-05-31 1934-10-02 Charles A Streich Portable rug washing and cleaning device
US2893048A (en) * 1955-04-21 1959-07-07 Health Mor Inc Suction cleaner nozzle construction for cleaning cotton rugs
US2997730A (en) * 1957-12-11 1961-08-29 Dierks Fritz Surface cleaning apparatus for removing old paint coats
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US3699607A (en) * 1970-07-07 1972-10-24 Town & Country Cleaners Franch Carpet cleaning apparatus
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Publication number Priority date Publication date Assignee Title
US1711380A (en) * 1926-02-04 1929-04-30 Victor J Giampolini Vacuum washer and cleaner
US1752882A (en) * 1927-06-29 1930-04-01 Harry O Boutwell Scrubbing machine
US1975380A (en) * 1932-05-31 1934-10-02 Charles A Streich Portable rug washing and cleaning device
US2893048A (en) * 1955-04-21 1959-07-07 Health Mor Inc Suction cleaner nozzle construction for cleaning cotton rugs
US2997730A (en) * 1957-12-11 1961-08-29 Dierks Fritz Surface cleaning apparatus for removing old paint coats
US3402420A (en) * 1965-10-15 1968-09-24 Daniel D. Schaeffer Carpet cleaning device
US3663984A (en) * 1970-04-03 1972-05-23 Carpetech Corp Portable vacuum carpet and upholstery cleaning apparatus
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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4139922A (en) * 1977-08-19 1979-02-20 Chester Fitch Carpet cleaning device
WO1981000805A1 (en) * 1979-09-28 1981-04-02 Wetrok Inc Carpet cleaning device
US4272861A (en) * 1979-09-28 1981-06-16 Wetrok, Inc. Carpet cleaning device
US4279056A (en) * 1979-11-30 1981-07-21 Crafco, Inc. Pavement joint and crack cleaning machine
US4392270A (en) * 1980-06-09 1983-07-12 Magee Enterprises Ltd. Surface cleaning apparatus
US4375117A (en) * 1980-11-24 1983-03-01 Whirlpool Corporation Floor cleaner motor mount
US4399577A (en) * 1981-10-05 1983-08-23 Pyle Clayton C Machine for cleaning grating over barn manure trough
US4413372A (en) * 1981-11-12 1983-11-08 Shop-Vac Corporation Shoe attachment for wet/dry electric vacuum cleaner
US4475265A (en) * 1983-06-13 1984-10-09 Shop-Vac Corporation Shoe attachment for wet/dry electric vacuum cleaner
US4521935A (en) * 1983-08-29 1985-06-11 Container Products Corp. Vacuum spray head
US4633541A (en) * 1983-09-29 1987-01-06 Cooper Industries Floor treating machine
FR2565813A1 (en) * 1984-06-13 1985-12-20 Shop Vac Corp suction nozzle rotatable brush
US4577366A (en) * 1984-06-13 1986-03-25 Shop-Vac Corporation Vacuum cleaner nozzle having rotating brush
US4757566A (en) * 1987-07-27 1988-07-19 Tennant Company Control of torque in floor maintenance tools by drive motor load
US5367740A (en) * 1993-07-21 1994-11-29 Mccray; Kimothy R. Hand-held surface cleaning apparatus
US5819370A (en) * 1995-02-16 1998-10-13 Stein & Co. Gmbh Floorcare machines such as vacuum cleaners
EP0727171A2 (en) * 1995-02-16 1996-08-21 Stein & Co. GmbH Device for floor treating machines
EP0727171A3 (en) * 1995-02-16 1998-07-22 Stein & Co. GmbH Device for floor treating machines
US5782415A (en) * 1995-08-10 1998-07-21 Kepiro; Joseph Floor washer
US6030464A (en) * 1998-01-28 2000-02-29 Azevedo; Steven Method for diagnosing, cleaning and preserving carpeting and other fabrics
US6261379B1 (en) * 1999-06-01 2001-07-17 Fantom Technologies Inc. Floating agitator housing for a vacuum cleaner head
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