EP0880934A1 - Suction head for floor cleaning machine - Google Patents

Suction head for floor cleaning machine Download PDF

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Publication number
EP0880934A1
EP0880934A1 EP98201607A EP98201607A EP0880934A1 EP 0880934 A1 EP0880934 A1 EP 0880934A1 EP 98201607 A EP98201607 A EP 98201607A EP 98201607 A EP98201607 A EP 98201607A EP 0880934 A1 EP0880934 A1 EP 0880934A1
Authority
EP
European Patent Office
Prior art keywords
clip element
suction head
package
squeegee blade
housing
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
EP98201607A
Other languages
German (de)
French (fr)
Other versions
EP0880934B1 (en
Inventor
Dieter Windmeisser
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.)
Diversey Inc
Original Assignee
Unilever PLC
Unilever NV
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 Unilever PLC, Unilever NV filed Critical Unilever PLC
Priority to EP19980201607 priority Critical patent/EP0880934B1/en
Publication of EP0880934A1 publication Critical patent/EP0880934A1/en
Application granted granted Critical
Publication of EP0880934B1 publication Critical patent/EP0880934B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L11/4044—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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/11—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
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0673—Nozzles with fixed, e.g. adjustably fixed brushes or the like with removable brushes, combs, lips or pads

Definitions

  • the present invention relates to an apparatus for cleaning floor surfaces.
  • the invention is particularly concerned with a suction head arrangement suitable for use with a wet floor cleaning machine.
  • US-A-2,531,370 discloses a suction mop suitable for use in scrubbing floors and the like.
  • This suction mop comprises a mop head including a U-shaped channel in which an inverted squeegee blade can be removably supported.
  • US-A-3,434,178 relates to a vacuum cleaner comprising a vacuum suction nozzle having an inlet near the floor, and an elongate floor brush located near this inlet.
  • This brush is resiliently attached to the vacuum nozzle by way of a U-shaped clip coupled to the nozzle by way of a leaf spring.
  • US-A-3,371,371 discloses vacuuming equipment for treating floors, in particular a pick-up tool assembly comprising a vacuum head, means for positioning said vacuum head in a fixed functional relationship to the surface to be cleaned, while in use.
  • These positioning means include a non-removable elongate squeegee which is attached to the assembly by a pair of clip elements.
  • WO-94/20010 discloses a suction head for a floor cleaning machine comprising a housing and a package consisting of a squeegee blade and a clip element, whereby the size and shape of said clip element and the housing are such that this package can be removably fixed into the housing and the squeegee blade can be removably fixed into the clip element.
  • the clip element according to this document comprises sharp projections on the inner surface thereof.
  • a suction head for a floor cleaning machine comprising a housing and at least one package consisting of a squeegee blade and a clip element, whereby the size and shape of said clip element and the housing are such that this package can be removably fixed into the housing, and whereby the squeegee blade contains one or more holes of which the size and shape are such that they fit to clipping parts present at the inner surface of clip element so as to removably fix the squeegee blade into the clip element.
  • the invention also provides a package consisting of a squeegee blade and a clip element, said package being suitable fot use in a suction head according to the invention, whereby the size and shape of the clip element are such that the package can be removably fixed into the housing of the suction head, and whereby the squeegee blade contains one or more holes of which the size and location are such that they fit to clipping parts present at the inner surface of the clip element so as to removably fix the squeegee blade into the clip element.
  • the first aspect of the invention is concerned with a suction head for a floor cleaning machine, preferably a wet floor cleaning or floor polishing machine.
  • This suction head comprises at least one removable package consisting of a removable squeegee blade and a clip element. It was found to be remarkably simple to prepare this suction head for use as part of a floor cleaning machine: the squeegee blade could be easily and reliably fixed into the clip element and the thus formed package could in turn be simply fixed into the housing. As a result, a good fixation of the squeegee blade in the housing was guaranteed, resulting in a good suction result.
  • suction head configuration of the invention was found to be unexpectedly versatile in that it could be used with squeegee blades of varying thickness.
  • suction head arrangement it was found that replacement of squeegee blades could be carried out quickly and easily.
  • a U-shaped clip element is preferably applied which can be tightly fixed in a similarly shaped -i.e. inverted U-shaped- channel in the housing of the suction head.
  • a clipping part are present on the inner surface of the clip element.
  • said clipping parts are preferably arranged at regular intervals along the length of the clip element.
  • the second aspect of the invention is concerned with a package consisting of a squeegee blade and a clip element, which is suitable for use in a suction head according to the invention.
  • a package consisting of a squeegee blade and a clip element, which is suitable for use in a suction head according to the invention.
  • the construction of the suction head of the present invention is such that all four edges of the squeegee blade can be used for cleaning purposes. When one of the edges has been worn out, this squeegee blade does not need to be replaced; it can, instead, be turned along its longitudinal and/or vertical axis after having removed it from the package, such that another edge is applied for cleaning purposes.
  • the squeegee blade suitable for use in the suction head of the present invention is preferably somewhat flexible; it is, therefore, desirably made of a plastic material such as poly urethane or rubber. As indicated above, good cleaning results were obtained with a squeegee blade having an oblong shape; its length and breadth are preferably in the range of respectively 0.5-1.2 m and 0.03-0.1 m. The thickness of the squeegee is effectively in the range of from 3-6 mm.
  • FIG. 1 shows schematic drawings of (a) a side view of a squeegee blade, a clip element and a package according to the invention and (b) cross sections of said elements along the line A-A;
  • Figure 2 shows schematic drawings of cross-sections of said package, the part of a suction head of the invention substantially consisting of a U-shaped channel, and said channel into which said package has been positioned;
  • Figure 3 shows a schematic view of a complete suction head of the invention.
  • Figure 1 indicates a package of the invention consisting of a squeegee blade (2) and a clip element (3). It is also shown in this Figure how the squeegee blade can be removably fixed into the clip element by way of clipping parts (5) located on the inner surface of the clip element (3), which parts fit into holes (4) present on the squeegee blade (2).
  • the side view of the package (1) shows an embodiment in which the clip element (3) contains rectangular holes in between the clipping parts (5). Since these clipping parts (5) are present on the inner surface of clip element (3), they are not shown on said side view.
  • FIG 2 it is shown how the package of the invention (1) can be tightly fixed into the housing (7) of a suction head by way of a U-shaped channel (6). Adequate fixation is accomplished by applying a clip element having a part (8) which can be attached to the housing as indicated.
  • a suction head (9) according to the present invention is shown which can be coupled to any suction system suitable for use in a wet floor cleaning machine.

Abstract

A suction head for a floor cleaning machine is provided, comprising a housing (7) and at least one package (1) consisting of a squeegee blade (2) and a clip element (3), whereby the size and shape of said clip element (3) and the housing (7) are such that this package can be removably fixed into the housing, and whereby the squeegee blade contains one or more holes (4) of which the size and shape are such that they fit to clipping parts (5) present at the inner surface of clip element (3) so as to removably fix the squeegee blade into the clip element.

Description

Field of the invention
The present invention relates to an apparatus for cleaning floor surfaces. The invention is particularly concerned with a suction head arrangement suitable for use with a wet floor cleaning machine.
Background of the invention
It has been known in the past to employ a mobile suction head as part of a machine for the cleaning of floor surfaces, especially a machine for wet cleaning of such surfaces.
US-A-2,531,370 discloses a suction mop suitable for use in scrubbing floors and the like. This suction mop comprises a mop head including a U-shaped channel in which an inverted squeegee blade can be removably supported.
US-A-3,434,178 relates to a vacuum cleaner comprising a vacuum suction nozzle having an inlet near the floor, and an elongate floor brush located near this inlet. This brush is resiliently attached to the vacuum nozzle by way of a U-shaped clip coupled to the nozzle by way of a leaf spring.
US-A-3,371,371 discloses vacuuming equipment for treating floors, in particular a pick-up tool assembly comprising a vacuum head, means for positioning said vacuum head in a fixed functional relationship to the surface to be cleaned, while in use. These positioning means include a non-removable elongate squeegee which is attached to the assembly by a pair of clip elements.
Furthermore, WO-94/20010 discloses a suction head for a floor cleaning machine comprising a housing and a package consisting of a squeegee blade and a clip element, whereby the size and shape of said clip element and the housing are such that this package can be removably fixed into the housing and the squeegee blade can be removably fixed into the clip element. For obtaining an effective removable fixation of the squeegee blade inside the clip element, the clip element according to this document comprises sharp projections on the inner surface thereof.
However, even when using a clip element with such sharp projections in a suction head configuration according to WO-94/20010, a significant amount of skill was found to be required to ensure that the squeegee blade is well fixed over its entire length. Furthermore, the suction head configuration disclosed by WO-94/20010 is sensitive for tolerances in squeegee blade thickness, which also endangers the reliability of the squeegee blade fixation in the clip element.
It is an object of the present invention to provide a suction head for a floor cleaning machine, comprising a squeegee blade which is removably fixed and having a configuration such that the above-mentioned problems are overcome.
It is also an object of the present invention to provide a suction head configuration which can be simply and reliably operated and allows efficient use of the squeegee blade applied therein.
It has now surprisingly been found that these and other objects can be achieved by the suction head according to the present invention.
Definition of the present invention
Acoording to a first aspect of the present invention, there is provided a suction head for a floor cleaning machine, comprising a housing and at least one package consisting of a squeegee blade and a clip element, whereby the size and shape of said clip element and the housing are such that this package can be removably fixed into the housing, and whereby the squeegee blade contains one or more holes of which the size and shape are such that they fit to clipping parts present at the inner surface of clip element so as to removably fix the squeegee blade into the clip element. The invention also provides a package consisting of a squeegee blade and a clip element, said package being suitable fot use in a suction head according to the invention, whereby the size and shape of the clip element are such that the package can be removably fixed into the housing of the suction head, and whereby the squeegee blade contains one or more holes of which the size and location are such that they fit to clipping parts present at the inner surface of the clip element so as to removably fix the squeegee blade into the clip element.
Detailed description of the invention
The first aspect of the invention is concerned with a suction head for a floor cleaning machine, preferably a wet floor cleaning or floor polishing machine. This suction head comprises at least one removable package consisting of a removable squeegee blade and a clip element.
It was found to be remarkably simple to prepare this suction head for use as part of a floor cleaning machine: the squeegee blade could be easily and reliably fixed into the clip element and the thus formed package could in turn be simply fixed into the housing. As a result, a good fixation of the squeegee blade in the housing was guaranteed, resulting in a good suction result.
Furthermore, the suction head configuration of the invention was found to be unexpectedly versatile in that it could be used with squeegee blades of varying thickness. In addition, when using this suction head arrangement, it was found that replacement of squeegee blades could be carried out quickly and easily.
It is preferred to apply more than one package in the suction head of the present invention. Reason is that such use of more than one package overcomes any transport and storage problems, which may occur due to the oblong shape and length of usual suction head arrangements. Another advantage of applying more than one package segment is that this allows replacement of only that segment which has been worn out.
For reasons of easy exchange of these package segments, they have preferably the same size.
In order to ensure a tight fixation of the package in the suction head, a U-shaped clip element is preferably applied which can be tightly fixed in a similarly shaped -i.e. inverted U-shaped- channel in the housing of the suction head.
For obtaining an effective removable fixation of the squeegee blade into the clip element, it is desirable that more than one clipping parts are present on the inner surface of the clip element. For the same reason, said clipping parts are preferably arranged at regular intervals along the length of the clip element.
The second aspect of the invention is concerned with a package consisting of a squeegee blade and a clip element, which is suitable for use in a suction head according to the invention.
In view of the construction of this package, which warrants easy removability of the squeegee blade , we found that the operating lifetime of the squeegee blade could be considerably increased when applying an oblong squeegee blade of which at least two edges can be used for cleaning purposes. Most preferably, the construction of the suction head of the present invention is such that all four edges of the squeegee blade can be used for cleaning purposes. When one of the edges has been worn out, this squeegee blade does not need to be replaced; it can, instead, be turned along its longitudinal and/or vertical axis after having removed it from the package, such that another edge is applied for cleaning purposes.
The squeegee blade suitable for use in the suction head of the present invention, is preferably somewhat flexible; it is, therefore, desirably made of a plastic material such as poly urethane or rubber. As indicated above, good cleaning results were obtained with a squeegee blade having an oblong shape; its length and breadth are preferably in the range of respectively 0.5-1.2 m and 0.03-0.1 m. The thickness of the squeegee is effectively in the range of from 3-6 mm.
The invention is illustrated by figures 1-3, of which: Figure 1 shows schematic drawings of (a) a side view of a squeegee blade, a clip element and a package according to the invention and (b) cross sections of said elements along the line A-A;
Figure 2 shows schematic drawings of cross-sections of said package, the part of a suction head of the invention substantially consisting of a U-shaped channel, and said channel into which said package has been positioned; Figure 3 shows a schematic view of a complete suction head of the invention.
Referring now in detail to these drawings, in Figure 1 (1) indicates a package of the invention consisting of a squeegee blade (2) and a clip element (3). It is also shown in this Figure how the squeegee blade can be removably fixed into the clip element by way of clipping parts (5) located on the inner surface of the clip element (3), which parts fit into holes (4) present on the squeegee blade (2). The side view of the package (1) shows an embodiment in which the clip element (3) contains rectangular holes in between the clipping parts (5). Since these clipping parts (5) are present on the inner surface of clip element (3), they are not shown on said side view.
In Figure 2, it is shown how the package of the invention (1) can be tightly fixed into the housing (7) of a suction head by way of a U-shaped channel (6). Adequate fixation is accomplished by applying a clip element having a part (8) which can be attached to the housing as indicated.
In Figure 3, a suction head (9) according to the present invention is shown which can be coupled to any suction system suitable for use in a wet floor cleaning machine.
It is emphasized that the suction head and package shown in the Figures illustrate only one preferred embodiment of the invention and that various constructional alternatives will be immediately evident to the man skilled in the art, without departing from the scope of the prsent invention.

Claims (7)

  1. A suction head for a floor cleaning machine, comprising a housing (7) and at least one package (1) consisting of a squeegee blade (2) and a clip element (3), whereby the size and shape of said clip element (3) and the housing (7) are such that this package can be removably fixed into the housing, and whereby the squeegee blade contains one or more holes (4) of which the size and shape are such that they fit to clipping parts (5) present at the inner surface of clip element (3) so as to removably fix the squeegee blade into the clip element.
  2. Suction head according to claim 1, wherein the clip element (3) has a U-shape and wherein the housing (7) comprises an inverted U-shaped channel (6) into which the clip element can be fixed.
  3. Suction head according to claim 1 or 2, wherein the housing and package have an oblong shape.
  4. Suction head according to claim 3, wherein the clipping parts (5) are arranged at regular intervals along the length of the clip element (3).
  5. Suction head according to claim 3, wherein the suction head contains at least 2 packages (1).
  6. Package consisting of a squeegee blade (2) and a clip element (3), said package being suitable fot use in a suction head according to the invention, whereby the size and shape of the clip element are such that the package can be removably fixed into the housing (7) of the suction head, and whereby the squeegee blade contains one or more holes (4) of which the size and location are such that they fit to clipping parts (5) present at the inner surface of the clip element (3) so as to removably fix the squeegee blade (2) into the clip element.
  7. Package according to claim 6, wherein the package has an oblong shape , whereby all four edges of the squeegee blade present in the package can be applied for cleaning purposes.
EP19980201607 1997-05-27 1998-05-14 Suction head for floor cleaning machine Expired - Lifetime EP0880934B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19980201607 EP0880934B1 (en) 1997-05-27 1998-05-14 Suction head for floor cleaning machine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97201604 1997-05-27
EP97201604 1997-05-27
EP19980201607 EP0880934B1 (en) 1997-05-27 1998-05-14 Suction head for floor cleaning machine

Publications (2)

Publication Number Publication Date
EP0880934A1 true EP0880934A1 (en) 1998-12-02
EP0880934B1 EP0880934B1 (en) 2002-03-20

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EP19980201607 Expired - Lifetime EP0880934B1 (en) 1997-05-27 1998-05-14 Suction head for floor cleaning machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0951859A1 (en) * 1998-04-22 1999-10-27 Siegtraud Haug Floor wiping device
WO2014193290A1 (en) * 2013-05-30 2014-12-04 Qleeno Ab Device for a ringformed scraper intended for a floor treatment machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1828139A (en) * 1930-05-20 1931-10-20 Harry E Andros Window cleaning squeegee
US3371371A (en) * 1966-01-18 1968-03-05 Steccone Ettore Pick-up tool assembly
EP0576174A1 (en) * 1992-06-25 1993-12-29 Rexair, Inc Squeegee apparatus for a vacuum cleaner system
WO1994020010A1 (en) * 1993-03-04 1994-09-15 Unilever N.V. Suction head for a floor cleaning machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1828139A (en) * 1930-05-20 1931-10-20 Harry E Andros Window cleaning squeegee
US3371371A (en) * 1966-01-18 1968-03-05 Steccone Ettore Pick-up tool assembly
EP0576174A1 (en) * 1992-06-25 1993-12-29 Rexair, Inc Squeegee apparatus for a vacuum cleaner system
WO1994020010A1 (en) * 1993-03-04 1994-09-15 Unilever N.V. Suction head for a floor cleaning machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0951859A1 (en) * 1998-04-22 1999-10-27 Siegtraud Haug Floor wiping device
WO2014193290A1 (en) * 2013-05-30 2014-12-04 Qleeno Ab Device for a ringformed scraper intended for a floor treatment machine

Also Published As

Publication number Publication date
EP0880934B1 (en) 2002-03-20

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