US3619848A - Appliance for cleaning floors - Google Patents

Appliance for cleaning floors Download PDF

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Publication number
US3619848A
US3619848A US864055A US3619848DA US3619848A US 3619848 A US3619848 A US 3619848A US 864055 A US864055 A US 864055A US 3619848D A US3619848D A US 3619848DA US 3619848 A US3619848 A US 3619848A
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US
United States
Prior art keywords
brush
tank
appliance
recovery tank
recovery
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.)
Expired - Lifetime
Application number
US864055A
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English (en)
Inventor
Alfred M Salzmann
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.)
Individual
Original Assignee
Individual
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Publication of US3619848A publication Critical patent/US3619848A/en
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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
    • 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
    • A47L11/4038—Disk 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
    • A47L11/29—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
    • A47L11/305—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools the tools being disc brushes
    • 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
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits

Definitions

  • a floor cleaning appliance has a brush rotating about a hollow vertical spindle and a feed tank located in a recovery tank above the brush. Cleaning fluid fed from the feed tank to a central portion of the brush is dispersed radially outwardly through the brush by centrifugal force but its outward movement is checked by a vertical annular wall spaced inwardly from the periphery of the brush. In a peripheral portion of the brush outside the wall there are liquid-recovery cavities which are connected by passageways with the hollow vertical spindle which leads to the recovery tank. Liquid collected in the cavities is conducted to the recovery tank by the evolute shape of the connecting passageways and a suction turbine in the recovery tank.
  • the present invention has the object of embodying an appliance performing both the brushing and liquid recovery operations, which has a compact structure and can be produced in any size.
  • the invention relates to an appliance for floor cleaning comprising a brush rotatable around a vertical spindle, arranged on a brush carrier driven by a motor, a tank situated above the brush and intended to hold a cleaning fluid and a pipe connecting the tank to the central part of the brush, characterised in that the brush comprises means of absorbing the kinetic energy of the liquid whirled around in the brush, in an area situated close to the periphery of the brush, and cavities for recovery of the said liquid, these cavities being connected to passages provided in the brush carrier, converging towards the axis of the appliance whilst describing a curve and opening at the base of a vertical duct opening into a recovery tank, and means of engendering a negative pressure in this vertical duct.
  • FIG. 1 illustrates a view in elevation of a floor cleaning appliance in accordance with the invention with parts shown in axial cross-section.
  • FIG. 2 illustrates a plan view of the same as seen from above, at the level of the brush carrier, without the spindle or the driving gear.
  • FIG. 3 illustrates another view of the same, partly in 3,519,848 Patented Nov. 16, 1971 elevation and partly in cross-section approximately along line III-III of FIG. 4.
  • FIG. 4 illustrates a plan view as seen from above, at the level of the recovery tank, without the motor, and with particular parts removed.
  • FIG. 5 illustrates a view in cross-section of a brush holding plate approximately along line VV of FIG. 2.
  • FIG. 6 illustrates a developed cross-section of the brush holding plate approximately along line VI-VI of FIG. 2.
  • FIG. 7 illustrates a view in elevation and in crosssection of a cavity of the brush.
  • FIG. 8 illustrates a cross-section along line VIIIVIII of FIG. 7.
  • FIG. 9 illustrates a partial view in cross-section of a modified form comprising a bristle brush.
  • FIG. 10 illustrates an unsectioned elevational view of this modified form.
  • FIG. 11 illustrates a view in cross-section along line XI-XI of FIG. 1.
  • FIG. 12 illustrates a partial cross-section along line XII-XII of FIG. 11.
  • the appliance essentially comprises a frame I extending horizontally above the brush 2 and equipped with a projection 3 possessing a cylindrical bore or recess for removable fastening of a handle.
  • an electric motor 4 whose spindle carries a pinion 5 meshing with an annular gear on the crown wheel 6 of synthetic material coaxially fastened to a flange 7 with interposition of resilient damping elements 8 and 9, shown in FIG. 11, held between two stops 10 and 11 of the flange, the damping device serving the purpose of obtaining progressive increases of the driving torque on the crown gear 6.
  • the flange 7 is integral with a hollow spindle 12 and on its lower surface carries an element 13 on which the brush is secured by means of a device of the bayonet type.
  • the brush 2 is fastened beneath a plate 14 to the centre of which is screwed a ring 15 (FIG. 12) having bearing surfaces co-operating with ramps of the element 13 for automatic fastening of the brush to the machine, which is locked by the said bayonet type device.
  • the spindle 12 is carried by a vertical cylindrical part 16 of the frame with interposition of two roller bearings 17 and 18. On the part 16 is secured a flange 19 axially pierced by a hole 20 of the same diameter as the internal diameter of the spindle 12 and having a groove 21 in which is housed a reinforced joint or seal 22, of the Simmering type (registered trademark), ensuring a seal between the rotary spindle and the stationary frame.
  • a recovery tank 23 of non-circular shape comprising a relief for the motor 4, and in which is removably housed a feed tank 24 intended to contain the cleaning fluid for supply to the brush.
  • the tank 23 which extends above the tank 24 and is closed off by a lid 25 hinged on a spindle 26, equipped with a sealing joint 27 and secured by a catch 27a.
  • a turbine 28 driven by an electric motor and intended to engender a negative pressure above the recovery tank, which turbine is known per se and will not be described in detail herein.
  • the lid 25 is secured on a finned or grooved upright 29 of the frame.
  • this tank and of the recovery tank 23 are separated by a space 30 allowing air to pass, but in which is situated a ring 31 of porous material allowing air to pass but arresting liquid and solid particles, for example soap lather.
  • a chimney 33 in communication with the spindle 12 and resting on the flange 19 with interposition of a foam rubber joint 34 ensuring a sealed connection between the flange 19 and the chimney 33.
  • the top of this chimney opens into a bell-shaped cavity wrought in the bottom of the tank 24, this bell being in communication with the recovery tank.
  • these two enclosures comprise vertical partitions acting as baflles for the liquid, like 36 in the tank 23, and 37 and 38 in the tank 24.
  • cut-outs are wrought in the lower portion to establish communication between the different compartments thus formed.
  • the tank 23 is held and positioned on the frame by means of a peg 40 fitting into a seat 41 of the tank.
  • the tank 24 it is positioned in the tank 23 by means of three branches or feet, of which two marked 42 and 43 are apparent from FIG. 1. The feet rest on the partitions 36 in the tank 23.
  • the device for supplying liquid to the brush from the tank 24 has its upper portion illustrated in FIG. 3 and its lower portion in FIG. 1.
  • this device comprises a valve 44 having a rotary cylindrical valve member or shutter 45 driven or entrained by means of a knob 46 situated on the tank 24, this knob being connected to the shutter by a rod 47.
  • the shutter 45 has a curved passage 48 whose horizontal orifice coincides, in the open position, with a stationary oepning 49 of the barrel of the valve 44.
  • the outlet of the valve is connected to a nozzle 50 on which is secured a pliable tube 51, for example of polyethylene, held on the nozzle by means of a rubber ring 52 rendering it possible to remove and secure the top extremity of the tube 51 without delay.
  • This tube is secured to a nozzle 53 by means of a clamping collar.
  • This nozzle is secured on a valve 54 whose case is fastened to the bottom of the recovery tank 23.
  • This valve of a construction known per se, comprises a valve member or shutter 55 in the form of a small imperforate plate exposed to the action of a coil spring 56 which, when the recovery tank is removed from the frame, forces the small plate against an opening 57 of the valve to close the valve.
  • the small plate 55 is pushed back and the valve is thereby opened by the slotted upper end of a pipe 58 which fits in a sealing joint 59.
  • the pipe 58 at its lower end is joined to a valve 60a on the bottom of the tank controlling the passage of the cleaning fluid into the brush.
  • This valve comprises a piston 60 exposed to the action of a coil spring 61, the active extremity of the piston being formed by a cone '62 whose axial position determines the flow section for the liquid.
  • a bearing surface 63 of the piston bears against a sealing ring 64.
  • the outlet of the valve is formed by a pipe extremity 65 opening freely into a circular chamber 66 formed in the flange 7 (FIG. 1).
  • this chamber has nine arcuate openings 67 (FIG. 2) through which the cleaning fluid can flow into an annular recess 68 (also see FIG.
  • valve 60a having an outwardly sloping base and itself in communication with the brush through openings 69, the back 70 of the brush having corresponding openings for this purpose.
  • the piston 60 of the valve 60a is controlled by a handle 72 fastened on the handle of the appliance and acting on the piston 60 by a sheathed cable 71.
  • the brush consists of a disc of agglomerated fibrous material, for example of Scotch-Brite (registered trademark), into which the cleaning fluid is able to penetrate and to be dispersed radially by the action of centrifugal force.
  • a hermetic vertical wall 73 encircling the brush, against which the liquid comes into abutment, thus losing its kinetic energy.
  • recovery cavities 74 FIG. 2 which in plan view and horizontal cross-section are of crescentshaped form (FIG.
  • FIG. 8 shows a developed section along the neutral axis of the passage 77.
  • the device for automatic fastening of the brush will be described in detail with reference to FIGS. 1, 11 and 12.
  • the brush holding element 13 in unit with the spindle 12, on its periphery has three projections 80, 81 and 82 on which are engaged three arcuate bearing surfaces 83, 84 and 85 of the element 15 in unit with the brush.
  • the inner faces of the bearing surfaces 83, 84 and 85 slope in such manner as to form a ramp ensuring the locking of the brush on the appliance.
  • FIGS. 9 and 10 illustrate a modified form comprising a bristle brush 92. Since it is impossible in this case to form a cavity in the material of the brush itself, provision is made to incorporate inset tubular elements 93 fastened to the plate 70 carrying the bristles 92.
  • the sleeves 93 are of pliable material and in cross-section have the same shape as the cavities 74. Their sides which are convex, seen from the inside, are slit by a series of slots 94 which are alternately long and short, delimiting flexible strips allowing the cleaning fluid to pass into the cavities.
  • circuit of the fluid is the following:
  • the feed tank 24 From the feed tank 24, it flows through the valve 44 controlling the draining of the tank, the flexible tube 51, the tap 62, the pipe 65, the chamber 66, the openings 67, the groove 68, the openings 69, into the brush and conseqnently on to the floor to be cleaned.
  • the liquid braked by the baflle 73 then passes at reduced speed into the recovery cavities 74 in which prevails a negative pressure engendered by the turbine 28. Partly due to this negative pressure, and partly owing to the shape of the walls of the cavities, the liquid then passes into the recovery passages 76, 77 and 7 8, whose arcuate shape already ensures the mechanical generation of a centripetal motion of the liquid, complemented by the suction effect of the turbine.
  • the liquid is then drawn by suction into the spindle 12 and into the chimney 33, escaping to drop back into the recovery tank 36, either directly or indirectly after striking the walls of the bell shaped cavity 35.
  • the tanks 23 and 24 are set back of a recessed part .100 of the frame 1 (FIGS. 1, 3 and 4) which renders it possible to insert this part under furniture, radiators or any other item of furniture of a room, so that it is possible to clean the entire surface of the floor of this room.
  • the recovery tank 23 and the tank 24 are removable and separate, and they may easily be removed and separated to clean the machine.
  • An appliance for cleaning floors comprising a frame, a brush rotatable around a hollow vertical spindle, arranged on a brush carrier driven by a motor, a feed tank and a recovery tank situated above the brush, said feed tank being intended to contain a cleaning fluid and a feed duct connecting the feed tank to the central part of the brush, in which the brush comprises means of absorbing the kinetic energy of the liquid whirled around by the brush, in an area situated close to the periphery of the brush, and cavities in a peripheral portion of the brush for recovery of the said liquid, said cavities being connected to passages provided in the brush carrier, converging towards the axis of the appliance whilst describing curves and leading to the base of a vertical duct opening into said recovery tank, and means for producing a negative pressure in said vertical duct to convey said recovered liquid to said recovery tank.
  • An appliance as claimed in claim 3, comprising a brush made of agglomerated material, in which the cavities are Wrought in the actual material of the brush, the said concave parts being covered by a hermetic wall.
  • An appliance as claimed in claim 3, comprising a bristle brush in which the said cavities consist of a tubular element inset and made of pliable material whereof the part which is convex as seen from the inside is slit in such manner as to form strips.
  • A11 appliance as claimed in claim 1 in which a brush holder fixed on said spindle has brush securing projections and the brush bears a fastening ring possessing ramps co-operating with said brush securing projections 6 in the manner of a bayonet joint so as to ensure an automatic and immediate fastening of the brush.
  • An appliance as claimed in claim 7, in which said means producing a negative pressure comprises a suction turbine situated in the recovery tank above the feed tank, said feed tank and the recovery tank being separated along at least a part of the perimeter of the feed tank, by a space allowing air to pass, a filter of porous material being arranged in this space to trap the solid and liquid particles.

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US864055A 1968-10-09 1969-10-06 Appliance for cleaning floors Expired - Lifetime US3619848A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1506968A CH497167A (fr) 1968-10-09 1968-10-09 Appareil pour le nettoyage des sols

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US3619848A true US3619848A (en) 1971-11-16

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Application Number Title Priority Date Filing Date
US864055A Expired - Lifetime US3619848A (en) 1968-10-09 1969-10-06 Appliance for cleaning floors

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CH (1) CH497167A (fr)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069538A (en) * 1976-07-01 1978-01-24 Fallen Burke R Drive disc and pad assembly for floor buffer
US4182001A (en) * 1973-03-15 1980-01-08 Krause Helmuth W Surface cleaning and rinsing device
US4264999A (en) * 1979-10-30 1981-05-05 Monson Clifford L Rotary flooring surface treating device
US4333204A (en) * 1979-10-30 1982-06-08 Monson Clifford L Rotary flooring surface treating device
US4339840A (en) * 1979-10-30 1982-07-20 Monson Clifford L Rotary flooring surface treating device
US4441229A (en) * 1981-04-06 1984-04-10 Monson Clifford L Rotary cleaner-polisher
US5428863A (en) * 1991-03-21 1995-07-04 Ovidiu Tanasescu Water suction mechanism
US5430910A (en) * 1993-12-27 1995-07-11 Wiley; Jeff Carpet cleaning apparatus
US5463791A (en) * 1994-09-01 1995-11-07 Redfield Engineering Surface cleaning appliance
US5517715A (en) * 1994-08-25 1996-05-21 Monson; Clifford L. Cleaning head
US5528787A (en) * 1994-03-09 1996-06-25 Cutler; Barry L. Apparatus for dry cleaning carpets
US5706549A (en) * 1996-06-25 1998-01-13 Advance Machine Company Rotary disc floor cleaning apparatus
US6266892B1 (en) 1999-07-19 2001-07-31 Concept Cleaning Systems, Inc. Device for enhancing removal of liquid from fabric
US6298577B1 (en) 1999-07-19 2001-10-09 Concept Cleaning Systems, Inc. Device for enhancing removal of liquid from fabric
US6353957B1 (en) 1999-10-11 2002-03-12 Pioneer Eclipse Corporation Floor maintenance machine including gearbox arrangement
WO2004037451A1 (fr) * 2002-10-22 2004-05-06 Vacity Jozsef Appareil permettant de nettoyer les interstices de surfaces a revetement dur
US20060053960A1 (en) * 2004-07-02 2006-03-16 Peter Stierle Vibration damping device, in particular for an electric hand machine tool, and a transmission equipped with such a vibration damping device
US20070251047A1 (en) * 2006-04-27 2007-11-01 Monson Charles B Rotary cleaning head
US20090260177A1 (en) * 2008-04-21 2009-10-22 Edward Richards Hard surface cleaner
US20120023698A1 (en) * 2010-07-28 2012-02-02 Harris Research, Inc. Rotary head cleaner
US8453293B1 (en) 2011-03-24 2013-06-04 Clifford L. Monson Vacuum head
USD684737S1 (en) 2011-08-31 2013-06-18 Dri-Eaz Products, Inc. Extractor housing
US20130205534A1 (en) * 2010-06-23 2013-08-15 Qleeno Ab Device in Connection with a Floor Cleaning Machine
US8510902B2 (en) 2007-12-03 2013-08-20 Dri-Eaz Products, Inc. Air induction hard surface cleaning tool with an internal baffle
USD701661S1 (en) 2012-09-04 2014-03-25 Dri-Eaz Products, Inc. Extractor port housing
US20140115816A1 (en) * 2012-10-26 2014-05-01 Sapphire Scientific Inc. Rotary surface cleaning tool including tools suitable for cleaning carpets, and associated systems and methods
US9179812B2 (en) 2012-11-19 2015-11-10 Sapphire Scientific Inc. Hard surface cleaners having cleaning heads with rotational assist, and associated systems, apparatuses and methods
US9195238B2 (en) 2012-06-15 2015-11-24 Sapphire Scientific, Inc. Waste water vessels with multiple valved chambers, and associated systems and methods
US9351622B2 (en) 2012-09-04 2016-05-31 Sapphire Scientific Inc. Fluid extracting device with shaped head and associated systems and methods of use and manufacture
US9927050B2 (en) 2014-04-01 2018-03-27 Mytee Products Inc. Adaptive suspension for rotary cleaning machine
US10022031B2 (en) 2013-11-15 2018-07-17 Dri-Eaz Products, Inc. Power/water supply and reclamation tank for cleaning devices, and associated systems and methods
US10060641B2 (en) 2015-02-25 2018-08-28 Dri-Eaz Products, Inc. Systems and methods for drying roofs
US10264939B2 (en) 2015-08-17 2019-04-23 Skagit Northwest Holdings, Inc. Rotary surface cleaning tool
US10584497B2 (en) 2014-12-05 2020-03-10 Dri-Eaz Products, Inc. Roof cleaning processes and associated systems

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548072B1 (fr) * 1983-06-28 1985-12-13 Vautrain Dhennin Francoise Meuleuse pour colles de revetement de sol

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4182001A (en) * 1973-03-15 1980-01-08 Krause Helmuth W Surface cleaning and rinsing device
US4069538A (en) * 1976-07-01 1978-01-24 Fallen Burke R Drive disc and pad assembly for floor buffer
US4264999A (en) * 1979-10-30 1981-05-05 Monson Clifford L Rotary flooring surface treating device
WO1981001236A1 (fr) * 1979-10-30 1981-05-14 C Monson Dispositif rotatif de traitement de la surface d'un sol
US4333204A (en) * 1979-10-30 1982-06-08 Monson Clifford L Rotary flooring surface treating device
US4339840A (en) * 1979-10-30 1982-07-20 Monson Clifford L Rotary flooring surface treating device
US4441229A (en) * 1981-04-06 1984-04-10 Monson Clifford L Rotary cleaner-polisher
US5428863A (en) * 1991-03-21 1995-07-04 Ovidiu Tanasescu Water suction mechanism
US5430910A (en) * 1993-12-27 1995-07-11 Wiley; Jeff Carpet cleaning apparatus
US5528787A (en) * 1994-03-09 1996-06-25 Cutler; Barry L. Apparatus for dry cleaning carpets
US5517715A (en) * 1994-08-25 1996-05-21 Monson; Clifford L. Cleaning head
US5463791A (en) * 1994-09-01 1995-11-07 Redfield Engineering Surface cleaning appliance
US5706549A (en) * 1996-06-25 1998-01-13 Advance Machine Company Rotary disc floor cleaning apparatus
US6266892B1 (en) 1999-07-19 2001-07-31 Concept Cleaning Systems, Inc. Device for enhancing removal of liquid from fabric
US6298577B1 (en) 1999-07-19 2001-10-09 Concept Cleaning Systems, Inc. Device for enhancing removal of liquid from fabric
US6353957B1 (en) 1999-10-11 2002-03-12 Pioneer Eclipse Corporation Floor maintenance machine including gearbox arrangement
WO2004037451A1 (fr) * 2002-10-22 2004-05-06 Vacity Jozsef Appareil permettant de nettoyer les interstices de surfaces a revetement dur
US20060053960A1 (en) * 2004-07-02 2006-03-16 Peter Stierle Vibration damping device, in particular for an electric hand machine tool, and a transmission equipped with such a vibration damping device
US7510464B2 (en) * 2004-07-02 2009-03-31 Robert Bosch Gmbh Vibration damping device, in particular for an electric hand machine tool, and a transmission equipped with such a vibration damping device
US20070251047A1 (en) * 2006-04-27 2007-11-01 Monson Charles B Rotary cleaning head
US9038234B2 (en) * 2006-04-27 2015-05-26 Charles B. Monson Rotary cleaning head
US8510902B2 (en) 2007-12-03 2013-08-20 Dri-Eaz Products, Inc. Air induction hard surface cleaning tool with an internal baffle
US9560949B2 (en) 2007-12-03 2017-02-07 Sapphire Scientific, Inc. Air induction hard surface cleaning tools with an internal baffle
US9066647B2 (en) 2007-12-03 2015-06-30 Dri-Eaz Products, Inc. Air induction hard surface cleaning tools with an internal baffle
US20090260177A1 (en) * 2008-04-21 2009-10-22 Edward Richards Hard surface cleaner
US20130205534A1 (en) * 2010-06-23 2013-08-15 Qleeno Ab Device in Connection with a Floor Cleaning Machine
US20120023698A1 (en) * 2010-07-28 2012-02-02 Harris Research, Inc. Rotary head cleaner
US8453293B1 (en) 2011-03-24 2013-06-04 Clifford L. Monson Vacuum head
USD684737S1 (en) 2011-08-31 2013-06-18 Dri-Eaz Products, Inc. Extractor housing
US9195238B2 (en) 2012-06-15 2015-11-24 Sapphire Scientific, Inc. Waste water vessels with multiple valved chambers, and associated systems and methods
US9351622B2 (en) 2012-09-04 2016-05-31 Sapphire Scientific Inc. Fluid extracting device with shaped head and associated systems and methods of use and manufacture
USD701661S1 (en) 2012-09-04 2014-03-25 Dri-Eaz Products, Inc. Extractor port housing
US20140115816A1 (en) * 2012-10-26 2014-05-01 Sapphire Scientific Inc. Rotary surface cleaning tool including tools suitable for cleaning carpets, and associated systems and methods
US9179812B2 (en) 2012-11-19 2015-11-10 Sapphire Scientific Inc. Hard surface cleaners having cleaning heads with rotational assist, and associated systems, apparatuses and methods
US10022031B2 (en) 2013-11-15 2018-07-17 Dri-Eaz Products, Inc. Power/water supply and reclamation tank for cleaning devices, and associated systems and methods
US9927050B2 (en) 2014-04-01 2018-03-27 Mytee Products Inc. Adaptive suspension for rotary cleaning machine
US10584497B2 (en) 2014-12-05 2020-03-10 Dri-Eaz Products, Inc. Roof cleaning processes and associated systems
US10060641B2 (en) 2015-02-25 2018-08-28 Dri-Eaz Products, Inc. Systems and methods for drying roofs
US10753628B2 (en) 2015-02-25 2020-08-25 Legend Brands, Inc. Systems and methods for drying roofs
US11686482B2 (en) 2015-02-25 2023-06-27 Legend Brands, Inc. Systems and methods for drying roofs
US10264939B2 (en) 2015-08-17 2019-04-23 Skagit Northwest Holdings, Inc. Rotary surface cleaning tool

Also Published As

Publication number Publication date
CH497167A (fr) 1970-10-15

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