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EP2736397A1 - Système de nettoyage multifonction et d'entretien d'un sol - Google Patents

Système de nettoyage multifonction et d'entretien d'un sol

Info

Publication number
EP2736397A1
EP2736397A1 EP12766341.7A EP12766341A EP2736397A1 EP 2736397 A1 EP2736397 A1 EP 2736397A1 EP 12766341 A EP12766341 A EP 12766341A EP 2736397 A1 EP2736397 A1 EP 2736397A1
Authority
EP
European Patent Office
Prior art keywords
reservoir
liquid
assembly
fresh
care system
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.)
Granted
Application number
EP12766341.7A
Other languages
German (de)
English (en)
Other versions
EP2736397B8 (fr
EP2736397B1 (fr
Inventor
Robert S. Robinson
David W. LLOYD
Robert W. KYDE
John T. Richter
Joshua L. HARRELL
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.)
kaivac Inc
Original Assignee
kaivac 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
Application filed by kaivac Inc filed Critical kaivac Inc
Priority claimed from PCT/US2012/049087 external-priority patent/WO2013019823A1/fr
Publication of EP2736397A1 publication Critical patent/EP2736397A1/fr
Application granted granted Critical
Publication of EP2736397B1 publication Critical patent/EP2736397B1/fr
Publication of EP2736397B8 publication Critical patent/EP2736397B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47L11/4044—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
    • A47L11/29—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
    • 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
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4055—Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position

Definitions

  • This invention relates to cleaning and floor care machines, and more particularly, to multi-functional cleaning and floor care machines.
  • a multi-functional cleaning and floor care system may have a reservoir defining an interior space operable to hold a fresh cleaning liquid, a vacuum recovery tank, a vacuum motor assembly fin idly connected to the vacuum recovery tank; and a wheeled chassis configured to support at least one of the fresh liquid reservoir and the vacuum recovery tank.
  • the system also may have a spigot fluidly connected to the reservoir interior space, with the spigot adjustable between a fully open position and a fully closed position, whereby when the reservoir contains a fresh cleaning liquid, a user may regulate the flow of the fresh cleaning liquid from the reservoir through the spigot by adjusting the spigot.
  • the system may have: a liquid spreader assembly connected to at least one of the fresh liquid reservoir, the wet vacuum assembly, and the wheeled chassis, with the liquid spreader assembly including a frame and a spreader pad; and a squeegee head assembly connected to at least one of the fresh liquid reservoir, the wet vacuum assembly, and the wheeled chassis, the squeegee head assembly fluidly connectable to the vacuum recovery tank.
  • the liquid spreader assembly may be operable to spread on a floor surface at least a portion of the fresh cleaning liquid from the reservoir, and the squeegee head assembly may be operable to vacuum at least a portion of the liquid on the floor surface into the vacuum recovery tank.
  • a multi-functional cleaning and floor care system may have a reservoir defining an interior space operable to hold a fresh cleaning liquid, a wheeled chassis con igured to support the fresh liquid reservoir, and a spigot fluidly connected to the reservoir interior space, the spigot adjustable between a fully open position and a fully closed position, whereby when the reservoir contains a fresh cleaning liquid, a user may regulate the flow of the fresh cleaning liquid from the reservoir through the spigot by adjusting the spigot.
  • the system may have a liquid spreader assembly connected to at least one of the fresh liquid reservoir and the wheeled chassis, with the liquid spreader assembly including a frame and a spreader pad. The liquid spreader assembly may be operable to spread on a floor surface at least a portion of the fresh cleaning liquid from the reservoir.
  • a multi-functional cleaning and floor care system may have a reservoir defining an interior space operable to hold a fresh cleaning liquid, a vacuum recovery tank, a vacuum motor assembly fluidly connected to the vacuum recovery tank, and a wheeled chassis configured to support at least one of the fresh liquid reservoir and the vacuum recovery tanlv.
  • the system also may have a spigot fluidly connected to the reservoir interior space, with the spigot adjustable between a fully open position and a fully closed position, whereby when the reservoir contains a fresh cleaning liquid, a user may regulate the flow of the fresh cleaning liquid from the reservoir through the spigot by adjusting the spigot.
  • the system may have a squeegee head assembly connected to at least one of the fresh liquid reservoir, the wet vacuum assembly, and the wheeled chassis, with the squeegee head assembly fluidly connectable to the vacuum recovery tank.
  • the squeegee head assembly also may be operable to vacuum at least a portion of the liquid on the floor surface into the vacuum recovery tank.
  • Additional aspects of the invention are directed to a liquid spreader assembly, or a squeegee head assembly, or a combination of a liquid spreader assembly and a squeegee head assembly - for use with a multi-functional cleaning and floor care system.
  • Fig. 1 is a perspective view of an embodiment of the multi-functional cleaning and floor care system, in accordance with the principles of the invention
  • Fig. 2 is a perspective view of a portion of the multi-functional cleaning and floor care system of Fig.1 ;
  • Fig. 3 is a left side view of a portion of the multi-functional cleaning and floor care system of Fig.1 ;
  • Fig. 4 is another left side view of a portion of the multi-functional cleaning and floor care system of Fig.1, with the liquid spreader assembly and the squeegee vacuum head assembly shown in an up position;
  • Fig. 5 is a bottom view of the multi-functional cleaning and floor care system of Fig.1 ;
  • Fig. 6 is a portion of the bottom view of Fig. 5, enlarged for magnification purposes;
  • Fig. 7 is a cross-sectional view of a portion of the multi-functional cleaning and floor care system of Fig.1, taken along line 7-7 of Fig. 6;
  • Fig. 8 is a cross-sectional view of a portion of the multi-functional cleaning and floor care system of Fig.1, taken along line 8-8 of Fig. 6;
  • Fig. 9 is a cross-sectional view of a portion of the multi-functional cleaning and floor care system of Fig.1, taken along line 9-9 of Fig. 6:
  • Fig. 10 is a cross-sectional view of a portion of the multi-functional cleaning and floor care system of Fig.1 , taken along line 10-10 of Fig. 6:
  • Fig. 11 is a perspective view of another embodiment of the multi-functional cleaning and floor care system, in accordance with the principles of the invention.
  • Fig. 12 is a left side view of a portion of the multi-functional cleaning and floor care system of Fig.11 :
  • Fig. 13 is a perspective view of a portion of the multi-functional cleaning and floor care system of Fig.11 ;
  • Fig. 14 is a perspective view of a further embodiment of the multi-functional cleaning and floor care system, in accordance with the principles of the invention.
  • Fig. 15 is a left side view of a portion of the multi-functional cleaning and floor care system of Fig.14;
  • Fig. 16 is a perspective view of a portion of the multi-functional cleaning and floor care system of Fig.14.
  • the particular multi-functional cleaning and floor care system embodiment 10 shown comprises a fresh liquid reservoir assembly, a wet/dr vacuum
  • the fresh liquid reservoir assembly has a reservoir and a wheeled chassis
  • the reservoir has a circumferential sidewall, a bottom wall, and
  • the chassis includes the structure that supports
  • the reservoir assembly has four wheels - two swivel casters at the front, and two fixed-axle wheels at the back.
  • the chassis includes a reinforced post or leg at the front lower-left corner, and a reinforced post or leg at the front lower-right corner. Each of these legs includes a cylindrical bore for receiving the post of the corresponding caster.
  • the chassis includes a wheel frame at the back lower-left corner, and a wheel frame at the back lower-right comer, if desired, the reservoir and integral wheeled chassis also may be referred to trolley-bu
  • the reservoir the reservoir interior space, with the spigot having a valve that is adjustable between a fully open position and a fully closed position.
  • An extension connected to the spigot and includes an upwardly extending section. A user may operate the spigot between a fully open position and a fully closed position by rotating the extension arm. In this fashion, when the reservoir contains a fresh cleaning liquid (e.g., water or another cleaning liquid or solution), a user may turn or rotate the extension arm, thereby adjusting the spigot valve and regulating the flow of the fresh
  • a fresh cleaning liquid e.g., water or another cleaning liquid or solution
  • e vacuum motor assembly is positioned on top of the vacuum recovery tank, and is releasably fastened to the vacuum recovery tank with latches.
  • the vacuum recovery tank has a top wail, a bottom wall, a front
  • a suction inlet is located toward the top of the front wall; and a discharge outlet is located at the bottom of the front wall.
  • Four swivel caster wheels extend downward from the bottom wail.
  • each of the reservoir assembly and the wet/dry vacuum assembly is operable both when the wet- dry vacuum assembly is positioned on top of the reservoir, and when the wet/dry vacuum assembly is separated from the reservoir.
  • liquid spreader assembly and the squeegee head assembly are releasably connected to the fresh liquid reservoir assembly via a hitch
  • the hitch assembly is connected to the reservoir bottom wall at the back of the
  • each bracket has a
  • each bracket may be adjusted forward and aft as
  • the crossbar is circular in cross-section, and is held in position by the brackets.
  • the liquid spreader assembly has a frame, a spreader pad releasably attached to a bottom surface of the frame, a pair of connecting arms, and a strap. These items may be made of any suitable materials.
  • the pad may be releasably attached to the frame using any suitable material(s) or method(s).
  • the frame bottom surface may have one or more strips of hook-type fasteners (of the hook-and-loop variety) that engage an upper surface of the pad.
  • the pad may be any suitable pad, with one example being a icro fiber pad.
  • One end of each connecting arm is attached to an upper surface of the frame; and the other end is releasably and rotatabiv attached to the hitch crossbar. As best seen in Fig.
  • the end includes an integral resilient generally C-shaped member that releasably snap-fits onto and around the crossbar.
  • the strap has male and female snap members along its length. The lower portion of the strap is affixed
  • female snaps at di fferent locations along an upper portion of the strap may be releasably connected to a male snap (not shown) at a rear wall member to the left of the extension arm, at the back of the reservoir ⁇ .
  • a user may i ' 5
  • the liquid spreader assembly put the liquid spreader assembly in a down position or in an up position (Fig. 4).
  • the spreader pad is in a floor contacting relationship with a floor surface.
  • the spreader pad is in a non-contacting relationship with the floor surface (Fig. 4).
  • a user may install or remove the liquid spreader assembly quickly and easily, without the use of any tools. To install the assembly, the user aligns the open portion of the C-shaped member of
  • each connecting arm with the crossbar exerts a pushing force on the arms thereby snap- fitting the C-shaped members onto the crossbar, and fastens the upper portion of the strap to the reservoir.
  • the user may unfasten the upper portion of the strap, and then exert a pulling force on the arms to release the arms from the crossbar.
  • a first row of squeegee blades (aligned end-to-end) depends from the front; and a second row of squeegee blades (aligned end-to- end) depends from the back.
  • a tube segment of circular cross-section extends from the crown and serves to define a suction outlet for the assembly.
  • the tube segment also serves as a connector, by which a user can releasabiy connect (e.g., v ia a friction fit) the assembly to an end portion of a length of vacuum hose (as at X) - with the other end of the length of vacuum hose being releasabiy connectable to the suction inlet of the vacuum recovery tank.
  • a user can releasabiy connect (e.g., v ia a friction fit) the assembly to an end portion of a length of vacuum hose (as at X) - with the other end of the length of vacuum hose being releasabiy connectable to the suction inlet of the vacuum recovery tank.
  • the squeegee head assembly a plow member at each of the frame ft
  • Each plow member has a first section that extends forward and down from the frame front, and a second section integral with the first section, the second section extending across the top of the frame, from the frame front toward the frame back.
  • Each plow- member can be helpful in facilitating power cord management.
  • the plow facilitates smooth movement of the power cord portion - either up and over the squeegee head assembly, or laterally away from the squeegee head assembly.
  • each connecting arm is attached to an upper surface of the
  • the strap has male and female snap members along its length.
  • the lower portion of the strap is affixed to connecting arn ⁇ Y ; and female snaps at different locations along upper portions of the strap may be releasabiy connected to a male snap (not shown) at rear wall member to the right of the extension arm, at the back of the reservoirX.
  • a user may put the squeegee head assembly in a down position or in an up position (Fig. 4).
  • the first and second rows of squeegee blades are in a floor contacting relationship with a floor surface.
  • the first and second rows are in a non-contacting relationship with the floor surface (Fig. 4).
  • a user may install or remove the squeegee head assembly quickly and easily, without the use of any tools.
  • the user aligns the open portion of the C-shaped member of each connecting arm with the crossbar, exerts a pushing force on the arms thereby snap-fitting the C-shaped members onto the crossbar, and fastens an upper portion of the strap to the reservoir.
  • the user may unfasten an upper portion of the strap, and then exert a pulling force on the arms to release the arms from the crossbar.
  • the user may open the reservoir spigot and turn on the wet-dry vacuum. Then the user may pull or push the multi-functional cleaning and floor care system (e.g., in a serpentine pattern) over the floor surface to be cleaned. As the user pulls or pushes the system along, cleaning solution is dispensed, spread, and vacuumed in one easy step.
  • the multi-functional cleaning and floor care system e.g., in a serpentine pattern
  • the modular design of the multi-functional cleaning and floor care system allows for quick and easy part replacement and changing from one cleaning mode to another.
  • the design makes this process as simple as snapping on and snapping off.
  • the modular design also allows the user to shift quickly and easily between a spread-only mode, a vacuum-only mode, and a spread-and-vacuum mode.
  • the connecting arms are designed so that, if a user catches part of the liquid spreader assembly or squeegee head assembly on an obstacle (e.g., a corner of wall or heavy table), the connecting arms may detach (i.e., snap off) from the hitch - thereby preventing the liquid spreader assembly and the squeegee head assembly from breaking. Also, the connecting arms are designed to have some degree of twist; in this fashion, if either end of the squeegee head assembly frame brushes up against an obstacle, the squeegee head assembly can flex to get around the obstacle.
  • an obstacle e.g., a corner of wall or heavy table
  • the connecting arms are tree to rotate around the hitch. This allows the arms to be rotated and stored in the upward-most position. In the upward position, the user can easily have access to the spreader pad (e.g., a microfiber pad) for replacement.
  • the rigid design of the connecting arms allows the user to either pull or push the floor care system. This allows easy maneuvering into tight spaces and backing into corners or edges. If needed or desired in order to clean an edge or alcove, the user can disconnect the vacuum hose from the floor tool assembly and quickly attach the vac hose to a vacuum wand for trimming and cleaning these hard to reach areas.
  • the wet-dry vacuum of the multi-functional cleaning and floor care system may be powered in any suitable way.
  • the vacuum motor assembly may be connected to an electrical outlet (e.g., a wall outlet) via a power cord.
  • the system may include a battery or the like.
  • the multi-functional cleaning and floor care system may be used for a wide variety of floor care needs.
  • the system may be used to apply a genera! - urpose cleaning solution, a stripping solution, a disinfectant, or a decreasing solution.
  • the system may be used, e.g., for daily floor cleaning, stripping iioors, and finishing floors, Aiso, the system may be used in any of a number of locations and facilities, e.g., hallways, lobbies, cafeterias, gymnasiums, warehousing, shop floors, healthcare, and retail.
  • a multi-functional cleaning and floor care system in accordance with the principles of the invention, may be operated in a number of different configurations and ways - determined largely by the particular cleaning- or other floor care- activity to be performed.
  • a user may (111 the reservoir with cleaning solution, put the liquid spreader assembly and the squeegee head assembly in the down position, open the spigot to dispense cleaning solution, turn on the vacuum motor, and start cleaning.
  • extra dwell time is desired - for example, for heavy soil situations or for disinfection purposes - the user can simply raise the squeegee head assembly to the up position, and leave the liquid spreader assembly in place in the down position, in this manner, the system will disperse a thi uniform layer of solution as it leaves the spigot. Then, if desired, after a sufficient amount of dwell time, the user may simply lower the squeegee head assembly to the down position and vacuum up the solution.
  • a user wants to apply and remove a floor stripper solution, the system allows them to do so in a highly productive manner.
  • the user may move the four-bend handle to the front of the reservoir assembly, move the squeegee head assembly to the up position, keep the liquid spreader assembly in the down position, open the spigot, and pull the system (i.e., with the liquid spreader assembly trailing behind the spigot).
  • the user may remove the liquid spreader assembly, lower the squeegee head assembly to the down position, turn on the vacuum motor, and push the system (i.e., with the squeegee head assembly and the back of the liquid reservoir now leading (i.e., the reservoir back now being at the front), and the front of the liquid reservoir now trailing behind the back, in this way, the user does not walk through the stripper solution - either in applying or removing the solution.
  • system jiXf does not include the wet/dry vacuum assembly, the squeegee head assembly, and the length of vacuum hose.
  • floor care system embodiment J3 ⁇ 4M shown is identical to system 10 (shown in Figs. 1-10), except that system 0 does not include the liquid spreader assembly.
  • the liquid spreader assembly and the squeegee head assembly may be fastened to a Kaivac No-Touch Cleaning® machine commercially available from Kaivac, Inc. of Hamilton OH.
  • a bracket may be mounted to the back of a Kaivac No-Touch Clean ing® machine so as to locate the hitch at a suitable height above the floor.
  • a quick disconnect fitting and spray wand may be mounted to the bracket, so that the spray line of the No-Touch Cleaning® machine may be attached to the spray wand.
  • the spray wand may have a suitably sized nozzle such that the cleaning solution from the No-Touch Cleaning® machine may be dispensed at a proper location relative to the liquid spreader assembly and the squeegee head assembly (e.g., in front of both assemblies).
  • the multi-functional cleaning and floor care system of the present invention may be made using any suitable material(s) and manufacturing technique(s).
  • the reservoir may be made of polypropylene using injection molding
  • the vacuum recovery tank may be made of polyethylene via rotational molding.
  • the vacuum motor assembly may have the following specifications: 85 inches of lift; 60 cfm; 75 decibels; for the U.S., 110 Volts, 60 Hz, 10 amps; for Universal, 100-240 Volts. 50-60 Hz, 5.5 amps; and heavy duty two-stage vacuum motor.

Landscapes

  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

La présente invention se rapporte, selon un aspect, à un système de nettoyage multifonction et d'entretien d'un sol qui peut comprendre une cuve qui définit un espace intérieur destiné à contenir un liquide de nettoyage frais, une cuve de récupération par aspiration, un ensemble moteur d'aspiration raccordé fluidiquement à la cuve de récupération par aspiration, ainsi qu'un châssis muni de roues configuré pour supporter la cuve de liquide frais et/ou la cuve de récupération par aspiration. Le système peut également comprendre un robinet extérieur raccordé fluidiquement à l'espace intérieur du réservoir, le robinet extérieur pouvant être réglé entre une position complètement ouverte et une position complètement fermée de telle sorte que, lorsque le réservoir contient un liquide de nettoyage frais, un utilisateur peut réguler le débit du liquide de nettoyage frais sortant du réservoir au moyen du robinet extérieur par réglage de l'ouverture du robinet extérieur. De plus, le système peut comprendre : un ensemble d'étalement de liquide raccordé au réservoir de liquide frais et/ou à l'ensemble aspirateur pour matières humides et/ou au châssis muni de roues, l'ensemble d'étalement de liquide comprenant un cadre et un trajet d'étalement ; ainsi qu'un ensemble tête de raclette raccordé au réservoir de liquide frais et/ou à l'ensemble aspirateur pour matières humides et/ou au châssis muni de roues, l'ensemble tête de raclette pouvant être raccordé fluidiquement à la cuve de récupération par aspiration. L'ensemble d'étalement de liquide peut être destiné à étaler sur une surface de sol au moins une partie du liquide de nettoyage frais provenant du réservoir et l'ensemble tête de raclette peut être destinée pour aspirer dans la cuve de récupération par aspiration au moins une partie du liquide étalé sur la surface de sol.
EP12766341.7A 2011-07-31 2012-07-31 Systeme multi-fonctions de nettoyage et de soin de sol Active EP2736397B8 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161513662P 2011-07-31 2011-07-31
US201161548221P 2011-10-18 2011-10-18
PCT/US2012/049087 WO2013019823A1 (fr) 2011-07-31 2012-07-31 Système de nettoyage multifonction et d'entretien d'un sol

Publications (3)

Publication Number Publication Date
EP2736397A1 true EP2736397A1 (fr) 2014-06-04
EP2736397B1 EP2736397B1 (fr) 2020-07-29
EP2736397B8 EP2736397B8 (fr) 2020-09-09

Family

ID=50625238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12766341.7A Active EP2736397B8 (fr) 2011-07-31 2012-07-31 Systeme multi-fonctions de nettoyage et de soin de sol

Country Status (1)

Country Link
EP (1) EP2736397B8 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112915234A (zh) * 2021-01-12 2021-06-08 刘贵芳 呼吸科用灭菌设备
CN112915233A (zh) * 2021-01-12 2021-06-08 刘贵芳 一种呼吸科用灭菌装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013019823A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112915234A (zh) * 2021-01-12 2021-06-08 刘贵芳 呼吸科用灭菌设备
CN112915233A (zh) * 2021-01-12 2021-06-08 刘贵芳 一种呼吸科用灭菌装置

Also Published As

Publication number Publication date
EP2736397B8 (fr) 2020-09-09
EP2736397B1 (fr) 2020-07-29

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