WO2009133327A2 - Swimming pool cleaning brush - Google Patents

Swimming pool cleaning brush Download PDF

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Publication number
WO2009133327A2
WO2009133327A2 PCT/FR2009/050405 FR2009050405W WO2009133327A2 WO 2009133327 A2 WO2009133327 A2 WO 2009133327A2 FR 2009050405 W FR2009050405 W FR 2009050405W WO 2009133327 A2 WO2009133327 A2 WO 2009133327A2
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WO
WIPO (PCT)
Prior art keywords
support
handle
longitudinal
axis
bros
Prior art date
Application number
PCT/FR2009/050405
Other languages
French (fr)
Other versions
WO2009133327A3 (en
Inventor
Gérard Andrei
Original Assignee
Gatech
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 Gatech filed Critical Gatech
Priority to EP09738361A priority Critical patent/EP2268875A2/en
Publication of WO2009133327A2 publication Critical patent/WO2009133327A2/en
Publication of WO2009133327A3 publication Critical patent/WO2009133327A3/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/14—Parts, details or accessories not otherwise provided for
    • E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
    • E04H4/1609—Hand-held strainers, non-powered brushes or scrubbers

Definitions

  • the present invention relates to a broom-brush for cleaning the bottom and the side walls of a pool.
  • the bros are constituted by a longitudinal rigid support on the surface of which bros bristles are applied, and over which adapts the end of a handle, generally telescopic.
  • the longitudinal ends of the bracket bros are slightly raised relative to the plane of the central part of the support.
  • This type of brush has the following drawbacks.
  • the front portion of the support is raised and the ends of the brush hairs are removed from the bottom wall of the pool to be brushed, when pushing the handle forward. Reverse tilting occurs when the handle is pulled.
  • front and rear refer to the direction of advancement of the bros se when it is located in front of said handle on which it exerts a thrust.
  • the object of the present invention is to provide a new brush for bottom pool brush, which provides a solution to the problem mentioned above and more generally to provide a brush which has a greater stability and a better contact. the brush with the bottom wall of the pool when you manipulate and use the broom handled from the upper end of the handle by a person located high on the edge of the pool.
  • the present invention provides a brush for cleaning the bottom and side walls of a pool comprising a longitudinal rigid support on the surface of which brush bristles are applied and over which the end of a handle, preferably telescopic, whose axis YY 'coincides with the rectilinear part of said longitudinal support, characterized in that said rigid support has at its longitudinal ends a curved profile, with a curvature extending forward of said support to a longitudinal end and a curvature extending rearwardly of said support at the opposite longitudinal end.
  • the curved returns at the ends of the rectilinear longitudinal portion of the brush support give width to the brush support and stabilize it by preventing it from rotating in rotation about an axis perpendicular to the axis of the handle and parallel to the longitudinal axis XX 'of said support, which promotes the maintenance of the ends of the brush against the brush wall ser.
  • the total width L of the support is at least equal to twice the width 1 of the support in its rectilinear part between its two said curved longitudinal ends.
  • width here means the dimension of the support in the direction perpendicular to its longitudinal direction XX '.
  • radii of curvature of the curvatures at the two opposite ends are different, the end of said handle at the rectilinear portion of said support is closer to the curved portion of smaller internal radius of curvature and greater radius of external curvature , extending towards the front of the support.
  • This feature aims to reduce the lateral leverage causing rotation of the support relative to a vertical axis passing through the end of the handle at the support, when the person manipulating the handle impulse a rotational movement of the handle relative to its longitudinal axis YY 'for moving the curved portion forward of a longitudinal end of the support forwardly towards the front of the support.
  • the end of said handle is secured to a connecting piece to which it is removably attached, said connecting piece being fixed at its other end to the upper face of the support in its rectilinear part, so as to be able to be rotated in a variable inclination with respect to an axis X 1 X ⁇ parallel to the longitudinal axis XX 'of said support, preferably inclinable, so that the angle ⁇ between the axis X, X' of said handle and the plane of the wall against which said brush is applied varies from at least 10 to 80 °, preferably from 0 to 100 °.
  • the axis YY 'of said handle may vary from an angle
  • This inclination feature of the handle attenuates or even eliminates the phenomenon of leverage generated by the pulse of the handle against the support.
  • This displacement and the inclination of the handle facilitate the good positioning of the brush against the bottom wall to be brushed, the horizontal component of the force resulting from the thrust of the handle against the bottom wall, increases as the angle of inclination of the handle increases with respect to the vertical or that the angle the inclination of the handle decreases relative to the surface of the bottom wall, which is the case when the person handling the upper end of the handle pushes with the brush in front of him in the direction of the thrust.
  • the connecting piece comprises a tubular upper portion of said handle inserted inside the tubular end and a lower portion articulated in rotation with respect to the upper face of said support, said lower part extending in a Y direction. 1 Y ⁇ perpendicular to the axis X 1 X ⁇ of rotation of said connecting piece relative to said support, such that the angle (X 1 of said direction Y 1 Y ⁇ of said lower part of the connecting piece relative to the axis YY 'of said handle is from 10 to 30 °, preferably about 20 °.
  • This feature makes it possible to tilt the handle of a negative angle relative to the plane of the wall on which the bros is based, which is particularly advantageous when brushing a vertical wall height from the edge of the pool.
  • the lower part of said connecting piece extends in the direction X 1 X ⁇ of said axis of rotation on the upper face of said support on a length L 2 corresponding to at least half the length L 1 of said support.
  • said support supports vertical bristles on its underside, and bristles are substantially horizontal or slightly inclined relative to the horizontal on its lateral and outer faces curved at its longitudinal ends. .
  • said horizontal bristles on the curved portions advantageously extend over the convex outer portions of said curved outer lateral faces of the support, since beyond (in the concave portions of said curvatures) the ends of said bristles would not be able to come into contact with each other. contact with the brush wall ser.
  • the brush bristles extending horizontally on the convexly curved inner side walls at the ends of said support facilitates the brazing of a right-angled corner, where appropriate rounded between two vertical side walls or slightly inclined relative to each other. in the vertical of a swimming pool.
  • FIG. 1 shows a view of a bros 1 according to the invention, in top view, the handle is not adapted to the upper part 5 ⁇ of the connecting piece 5 between the handle and the support 2.
  • - Figure 2 is a perspective view of the support 2 and the separate connecting piece 5.
  • FIG. 3 is a front view of FIG. 2 showing rods 6 enabling rotation of the connecting piece 5 on support 2.
  • FIGS. 4A and 4B show the connection part 5 having two inclinations of the angel ⁇ between the axis YY 'of the handle 3 and the upper part 5 ⁇ of the connecting piece with a plane XOZ corresponding to the plane of the wall 10 on which the brush 1 rests.
  • the brush is represented without hair.
  • the bros as shown in the figures comprises a rigid brush support 2, extending in a longitudinal direction XX '.
  • the support 2 comprises a rectilinear median part 2c, extending at its two opposite longitudinal ends 2a and 2b by curved shapes, respectively with a longitudinal end 2a curved forward while the other longitudinal end 2b is curved towards the back.
  • the terms “front” and “rear” correspond to the two positions on either side of the longitudinal axis XX 'of the support 2, the "front” position corresponding to the advancing position when the user pushes the support 2 via a handle 3 located behind the support 2.
  • the support 2 supports bristles substantially vertically A 1 on its lower face, bristles A 1 whose lower ends therefore rest on the plane 10 of a wall intended to be brushed by said brushes.
  • the support 2 also includes two substantially horizontal bristles 4 on its substantially vertical lateral outer faces 2e, curved profile (profile in a horizontal plane).
  • a tubular end of the handle 3 (not shown in FIGS. 1 to 3) is engaged on a tubular upper part 5 ⁇ of a connecting piece 5 which extends in the direction YY 'of said handle and which is secured thereto. .
  • the 5 of the sleeve connection part with the support 2 comprises a lower part 5 2 extending according to a profile which widens progress sively from the 5 5 attached to the upper part 5 of the 5 to its 5'-3 attached to the support 2.
  • Fixing the connecting piece 5 on the support 2 is articulated in rotation about an axis of rotation X 1 X ⁇ , parallel to the longitudinal direction XX 'of said support.
  • first pads 2 ⁇ are spaced in the rectilinear portion 2c on the upper face of said support. These first pads 2 ⁇ are perforated in said direction of rotation X 1 X ⁇ parallel to the direction XX 'of the rectilinear part of said support.
  • first pads 2 ⁇ cooperate with second pads 5 4 at the widened lower end 5 3 of the lower part 2 of the connecting piece 5, said second pads being also perforated in said longitudinal direction X 1 X ⁇ rotation.
  • the second pads are interposed between said first pads, so as to coincide the longitudinal perforations 2 2 of the first pads and those of the second pads 5 4 .
  • the rotatably fixed attachment of said first pads 2 ⁇ relative to the second pads 5 4 is achieved by two rods 6 inserted into their said longitudinal perforations. As shown in FIGS.
  • the connecting piece 5 has an inclination ⁇ 1 of about 20 ° between the axis YY 'of its upper tubular part 5 t and the axis Y 1 Y 1 of the lower part 5 2 the connecting piece extending between its end 3 fixed to said first top part 5j and its end 3 of greater width L 2 fixed on the face of said support 2 at said first pads 2 X.
  • the handle 3 and the upper part S 1 of the connecting piece 5 are inclined with respect to a wall plane 10 on which the first vertical bristles A 1 (not shown in FIG. 4B) lie at an angle ⁇ varying from Oc 1 ( Figure 4B) at about 90 ° - Oc 1 , as shown in Figure 4A.
  • the two curved longitudinal ends 2a, 2b have different radii of curvature.
  • the forwardly curved longitudinal end 2a has first curvatures from the rectilinear portion 2c has inner radius of curvature Ra 1 (on the concave side of the curvature) and outer radius of curvature Ra 2 (on the convex face the curvature) respectively about 40 and 45 mm, greater than the corresponding radii of curvature internal Rb 1 and external Rb 2 respectively about 45 and 52 mm from the other end curved rearward 2b.
  • the width La of the longitudinal end curved forward 2a of smaller radius of curvature Ra 1 and Ra 2 is greater than Lb width of the opposite longitudinal end curved rearward 2b of greater radius of curvature Rb 1 and Rb 2 .
  • the front and rear curvatures of the opposite longitudinal ends 2a and 2b make it possible to give a total width L to said upper support at twice the width 1 of the rectilinear part 2c of said support.
  • the support has a height H of approximately 20 mm and a length L1 of approximately 540 mm, the length L3 of its median rectilinear part representing more than three quarters of the total length L1 of the support, more particularly from 75 to 80%.
  • the total width L of said support is approximately at least 20% of its length L1, preferably 20 to 25%.
  • the external lateral faces 2e of the curved longitudinal ends 2a and 2b have bristles A 2 , arranged substantially horizontally and extending over a portion of the periphery of said external curved faces 2e, so that at the ends the bristles are substantially horizontal. 2 are arranged in a direction substantially perpendicular to said lateral external face 2e and situated outside a line Y 2 Y ' 2 delimiting the convex outer portion of the external lateral faces 2e with respect to the concave inner portions having said radii of curvature Ra 1 and Rb 1 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Brushes (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

The invention relates to a cleaning brush for side and bottom walls (1) of a swimming pool, comprising rigid longitudinal support (2) on the surface of which brush bristles (41,42) are applied and above which is fitted the end of a handle (3), preferably telescopic, the axis (YY') of which corresponds to the straight section (2c) of said longitudinal support (2), said rigid support having an inwardly curved profile at the longitudinal ends thereof (2a, 2b), said inward curve extending towards the front of said support at a longitudinal end (2a) and an inward curve extending top wards the rear of said support at the opposing longitudinal end.

Description

BROSSE DE NETTOYAGE DE PISCINE SWIMMING POOL CLEANING BRUSH
La présente invention concerne un balai-bros se pour nettoyer le fond et les parois latérales d'une piscine. Les bros ses sont constituées par un support rigide longitudinal à la surface duquel sont appliqués des poils de bros se, et par-dessus lequel s'adapte l'extrémité d'un manche, en général télescopique.The present invention relates to a broom-brush for cleaning the bottom and the side walls of a pool. The bros are constituted by a longitudinal rigid support on the surface of which bros bristles are applied, and over which adapts the end of a handle, generally telescopic.
Pour permettre de bros ser les angles arrondis entre l'extrémité inférieure de la paroi latérale de la piscine et la paroi de fond, les extrémités longitudinales du support de bros se sont légèrement surélevées par rapport au plan de la partie centrale du support.To allow bros ser the rounded corners between the lower end of the side wall of the pool and the bottom wall, the longitudinal ends of the bracket bros are slightly raised relative to the plane of the central part of the support.
Ce type de brosse présente les inconvénients suivants.This type of brush has the following drawbacks.
Tout d'abord, lorsque la brosse subit une pous sée par l'intermédiaire du manche, manipulé à son extrémité supérieure par une personne située sur le bord de la piscine, c'est-à-dire en hauteur par rapport à la brosse reposant au fond de la piscine, il se produit un effet de levier et ladite bros se a tendance à basculer en rotation par rapport à un axe longitudinal parallèle à l'axe longitudinal du support de brosse et perpendiculaire à l'axe dudit manche.First, when the brush is pushed through the handle, manipulated at its upper end by a person located on the edge of the pool, that is to say in height relative to the brush resting at the bottom of the pool, there is a lever effect and said bros tends to swing in rotation relative to a longitudinal axis parallel to the longitudinal axis of the brush support and perpendicular to the axis of said handle.
En pratique, la partie avant du support se soulève et les extrémités des poils de brosse s 'éloignent de la paroi de fond de la piscine à brosser, lorsque l'on pousse le manche vers l'avant. Le basculement inverse se produit lorsque l'on tire le manche.In practice, the front portion of the support is raised and the ends of the brush hairs are removed from the bottom wall of the pool to be brushed, when pushing the handle forward. Reverse tilting occurs when the handle is pulled.
On entend ici par « avant » et « arrière » se référer au sens d'avancement de la bros se lorsque celle-ci est située en avant dudit manche sur lequel on exerce une poussée.Here is meant by "front" and "rear" refer to the direction of advancement of the bros se when it is located in front of said handle on which it exerts a thrust.
D 'autre part, du fait que les extrémités longitudinales du support de bros se sont relevées, une partie des détritus poussés par ladite brosse ont tendance à déborder de ladite bros se sur ses côtés. Enfin, ces brosses rendent malaisé le nettoyage des coins entre deux parois latérales verticales perpendiculaires de la piscine.On the other hand, because the longitudinal ends of the bros support have risen, some of the debris pushed by said brush tend to overflow said bros on its sides. Finally, these brushes make it difficult to clean the corners between two vertical side walls perpendicular to the pool.
Le but de la présente invention est de fournir un nouveau balai à brosse pour fond de piscine, qui apporte une solution au problème mentionnés ci-des sus et plus généralement de fournir un balai bros se qui présente une plus grande stabilité et un meilleur contact de la brosse avec la paroi de fond de la piscine lorsque l'on manipule et l'on utilise le balai manipulé depuis l'extrémité supérieure du manche par une personne située en hauteur sur le bord de la piscine.The object of the present invention is to provide a new brush for bottom pool brush, which provides a solution to the problem mentioned above and more generally to provide a brush which has a greater stability and a better contact. the brush with the bottom wall of the pool when you manipulate and use the broom handled from the upper end of the handle by a person located high on the edge of the pool.
Pour ce faire, la présente invention fournit une bros se de nettoyage des parois de fond et latérales d'une piscine comprenant un support rigide longitudinal à la surface duquel sont appliqués des poils de brosse et pardessus lequel s'adapte l'extrémité d'un manche, de préférence télescopique, dont l'axe YY' coïncide avec la partie rectiligne dudit support longitudinal, caractérisée en ce que ledit support rigide présente à ses extrémités longitudinales un profil incurvé, avec une incurvation s 'étendant vers l'avant dudit support à une extrémité longitudinale et une incurvation s'étendant vers l'arrière dudit support à l'extrémité longitudinale opposée.To do this, the present invention provides a brush for cleaning the bottom and side walls of a pool comprising a longitudinal rigid support on the surface of which brush bristles are applied and over which the end of a handle, preferably telescopic, whose axis YY 'coincides with the rectilinear part of said longitudinal support, characterized in that said rigid support has at its longitudinal ends a curved profile, with a curvature extending forward of said support to a longitudinal end and a curvature extending rearwardly of said support at the opposite longitudinal end.
On comprend que les retours incurvés aux extrémités de la partie longitudinale rectiligne du support de brosse, donnent de la largeur au support de brosse et le stabilisent en lui évitant de basculer en rotation autour d'un axe perpendiculaire à l'axe du manche et parallèle à l'axe longitudinal XX' dudit support, ce qui favorise le maintien des extrémités de la brosse contre la paroi à bros ser.It is understood that the curved returns at the ends of the rectilinear longitudinal portion of the brush support, give width to the brush support and stabilize it by preventing it from rotating in rotation about an axis perpendicular to the axis of the handle and parallel to the longitudinal axis XX 'of said support, which promotes the maintenance of the ends of the brush against the brush wall ser.
Plus particulièrement, la largeur totale L du support est au moins égale à deux fois la largeur 1 du support dans sa partie rectiligne entre ses deux dites extrémités longitudinales incurvées.More particularly, the total width L of the support is at least equal to twice the width 1 of the support in its rectilinear part between its two said curved longitudinal ends.
On entend ici par « largeur » la dimension du support dans la direction perpendiculaire à sa direction longitudinale XX'. Avantageusement, les rayons de courbure des incurvations aux deux extrémités opposées sont différentes, l'extrémité dudit manche au niveau de la partie rectiligne dudit support est plus proche de la partie incurvée de plus petit rayon de courbure interne et de plus grand rayon de courbure externe, s'étendant vers l'avant du support.The term "width" here means the dimension of the support in the direction perpendicular to its longitudinal direction XX '. Advantageously, the radii of curvature of the curvatures at the two opposite ends are different, the end of said handle at the rectilinear portion of said support is closer to the curved portion of smaller internal radius of curvature and greater radius of external curvature , extending towards the front of the support.
Cette caractéristique vise à réduire l'effet de levier latéral provoquant la rotation du support par rapport à un axe vertical passant par l'extrémité du manche au niveau du support, lorsque la personne manipulant le manche impulse un mouvement de rotation du manche par rapport à son axe longitudinal YY' visant à déplacer la partie incurvée vers l'avant d'une extrémité longitudinale du support vers l'avant, vers l'avant du support.This feature aims to reduce the lateral leverage causing rotation of the support relative to a vertical axis passing through the end of the handle at the support, when the person manipulating the handle impulse a rotational movement of the handle relative to its longitudinal axis YY 'for moving the curved portion forward of a longitudinal end of the support forwardly towards the front of the support.
De préférence, l'extrémité dudit manche est solidaire d'une pièce de liaison à laquelle elle est fixée de manière amovible, ladite pièce de liaison étant fixée à son autre extrémité sur la face supérieure du support dans sa partie rectiligne, de manière à pouvoir être déplacée en rotation selon une inclinaison variable par rapport à un axe X1X^ parallèle à l'axe longitudinal XX' dudit support, de préférence inclinable, de sorte que l'angle α entre l'axe X, X' dudit manche et le plan de la paroi contre laquelle est appliquée ladite brosse varie au moins de 10 à 80°, de préférence de 0 à 100° .Preferably, the end of said handle is secured to a connecting piece to which it is removably attached, said connecting piece being fixed at its other end to the upper face of the support in its rectilinear part, so as to be able to be rotated in a variable inclination with respect to an axis X 1 X ^ parallel to the longitudinal axis XX 'of said support, preferably inclinable, so that the angle α between the axis X, X' of said handle and the plane of the wall against which said brush is applied varies from at least 10 to 80 °, preferably from 0 to 100 °.
De préférence encore, l'axe YY' dudit manche peut varier d'un angleMore preferably, the axis YY 'of said handle may vary from an angle
(X2 de 0 à ±90° par rapport à un axe Y3Y'3 perpendiculaire audit axe de rotation X1XV(X 2 from 0 to ± 90 ° with respect to an axis Y 3 Y ' 3 perpendicular to said axis of rotation X 1 XV
Cette caractéristique d'inclinaison du manche atténue, voire même supprime le phénomène d'effet de levier généré par l'impulsion de pous sée du manche contre le support.This inclination feature of the handle attenuates or even eliminates the phenomenon of leverage generated by the pulse of the handle against the support.
Ce déplacement et l'inclinaison du manche facilitent le bon positionnement de la brosse contre la paroi de fond à brosser, la composante horizontale de la force résultant de la poussée du manche contre la paroi de fond, augmente au fur et à mesure que l'angle d'inclinaison du manche augmente par rapport à la verticale ou que l'angle d'inclinaison du manche diminue par rapport à la surface de la paroi de fond, ce qui est le cas lorsque la personne manipulant l'extrémité supérieure du manche le pous se avec la brosse devant lui dans la direction de la poussée.This displacement and the inclination of the handle facilitate the good positioning of the brush against the bottom wall to be brushed, the horizontal component of the force resulting from the thrust of the handle against the bottom wall, increases as the angle of inclination of the handle increases with respect to the vertical or that the angle the inclination of the handle decreases relative to the surface of the bottom wall, which is the case when the person handling the upper end of the handle pushes with the brush in front of him in the direction of the thrust.
Cette combinaison d'inclinaison variable du manche d'une part, et d'autre part de la caractéristique d'incurvation des extrémités du support de brosse a donc un effet synergique sur la stabilité.This combination of variable inclination of the handle on the one hand, and on the other hand the characteristic of curvature of the ends of the brush holder has a synergistic effect on the stability.
De préférence, la pièce de liaison comporte une partie supérieure tubulaire dudit manche introduit à l'intérieur de l'extrémité tubulaire et une partie inférieure articulée en rotation par rapport à la face supérieure dudit support, ladite partie inférieure s 'étendant dans une direction Y1Y^ perpendiculaire à l'axe X1X^ de rotation de ladite pièce de liaison par rapport audit support, de telle sorte que l'angle (X1 de ladite direction Y1Y^ de ladite partie inférieure de la pièce de liaison par rapport à l'axe YY' dudit manche est de 10 à 30°, de préférence environ 20° .Preferably, the connecting piece comprises a tubular upper portion of said handle inserted inside the tubular end and a lower portion articulated in rotation with respect to the upper face of said support, said lower part extending in a Y direction. 1 Y ^ perpendicular to the axis X 1 X ^ of rotation of said connecting piece relative to said support, such that the angle (X 1 of said direction Y 1 Y ^ of said lower part of the connecting piece relative to the axis YY 'of said handle is from 10 to 30 °, preferably about 20 °.
Cette caractéristique permet de pouvoir incliner le manche d'un angle négatif par rapport au plan de la paroi sur laquelle repose la bros se, ce qui est particulièrement avantageux lorsque l'on brosse une paroi verticale en hauteur depuis le bord de la piscine.This feature makes it possible to tilt the handle of a negative angle relative to the plane of the wall on which the bros is based, which is particularly advantageous when brushing a vertical wall height from the edge of the pool.
En effet, on peut incliner la pièce de liaison jusqu'à ce que sa partie inférieure soit sensiblement parallèle à ladite paroi, ce qui permet d'avoir une inclinaison α du manche pouvant aller jusqu'à la valeur (X1 d'inclinaison du manche par rapport à la partie inférieure de la pièce de liaison.Indeed, one can tilt the connecting piece until its lower part is substantially parallel to said wall, which allows to have an inclination α of the handle up to the value (X 1 of inclination of the handle relative to the lower part of the connecting piece.
Plus particulièrement, la partie inférieure de ladite pièce de liaison s'étend dans la direction X1X^ dudit axe de rotation sur la face supérieure dudit support sur une longueur L2 correspondant à au moins la moitié de la longueur L1 dudit support. Cette caractéristique permet de bien transmettre les forces impulsées au niveau du manche aussi bien en poussée vers l'avant qu'en rotation par rapport à l'axe du manche vers les extrémités longitudinales dudit support, surtout en cas de rotation de celle-ci par rapport à un axe perpendiculaire à l'axe longitudinal dudit support, en particulier lorsque l'on veut ramener des poussières balayées par l'extrémité longitudinale avec une incurvation vers l'avant dudit support.More particularly, the lower part of said connecting piece extends in the direction X 1 X ^ of said axis of rotation on the upper face of said support on a length L 2 corresponding to at least half the length L 1 of said support. This characteristic makes it possible to transmit the forces impulsed at the level of the shaft both in forward thrust and in rotation with respect to the axis of the shaft towards the longitudinal ends of said support, especially in case of rotation thereof by relative to an axis perpendicular to the longitudinal axis of said support, in particular when it is desired to bring dust swept by the longitudinal end with a bend forward of said support.
Dans un autre mode préféré de réalisation, ledit support supporte des poils de brosse verticaux sur sa face inférieure, ainsi que des poils de bros se sensiblement horizontaux ou faiblement inclinés par rapport à l'horizontal sur ses faces latérale et externe incurvées à ses extrémités longitudinales.In another preferred embodiment, said support supports vertical bristles on its underside, and bristles are substantially horizontal or slightly inclined relative to the horizontal on its lateral and outer faces curved at its longitudinal ends. .
On comprend que lesdits poils horizontaux sur les parties incurvées s'étendent utilement sur les parties externes convexes desdites faces latérales externes incurvées du support, car au-delà (dans les parties concaves desdites courbures) les extrémités desdits poils ne seraient pas susceptibles de rentrer en contact avec la paroi à bros ser.It is understood that said horizontal bristles on the curved portions advantageously extend over the convex outer portions of said curved outer lateral faces of the support, since beyond (in the concave portions of said curvatures) the ends of said bristles would not be able to come into contact with each other. contact with the brush wall ser.
On comprend que les poils de brosses s 'étendant horizontalement sur les parois latérales intérieures de forme incurvée convexe aux extrémités dudit support facilite le bros sage d'un coin en angle droit, le cas échéant arrondi entre deux parois latérales verticales ou faiblement inclinées par rapport à la verticale d'une piscine. D 'autre part, par actionnement du manche afin d'impulser une rotation du support autour d'un axe vertical Y3Y'3 perpendiculaire à la direction longitudinale XX' du support, les poussières ou saletés de l'extrémité du bord inférieur des parois latérales de la piscine sont amenées en direction de la partie centrale du support devant ou derrière celui-ci et par un mouvement de pivotement dudit support autour du même dit axe vertical Y3Y'3, on peut ras sembler et maintenir les différentes saletés et détritus bros sés par le balai devant le support sans débordement sur ses côtés, c'est-à-dire sans débordement au- delà des faces latérales externes (c'est-à-dire au-delà de ses extrémités longitudinales incurvées dudit support) .It is understood that the brush bristles extending horizontally on the convexly curved inner side walls at the ends of said support facilitates the brazing of a right-angled corner, where appropriate rounded between two vertical side walls or slightly inclined relative to each other. in the vertical of a swimming pool. On the other hand, by actuating the handle to drive a rotation of the support about a vertical axis Y 3 Y ' 3 perpendicular to the longitudinal direction XX' of the support, the dust or dirt of the end of the lower edge of the side walls of the swimming pool are brought towards the central part of the support in front of or behind the latter and by a pivoting movement of said support around the same said vertical axis Y 3 Y ' 3 , one can resemble and maintain the different dirt and detritus bros sés by the broom in front of the support without overflow on its sides, that is to say without overflow beyond- beyond the outer lateral faces (that is to say beyond its curved longitudinal ends of said support).
D'autres caractéristiques et avantages de la présente invention ressortiront mieux à la lecture de la description qui va suivre, faite de manière illustrative et non limitative, en référence aux dessins annexés sur lesquels:Other characteristics and advantages of the present invention will emerge more clearly on reading the following description, given in an illustrative and nonlimiting manner, with reference to the appended drawings in which:
- La figure 1 représente une vue d'une bros se 1 selon l'invention, en vue de dessus, le manche n'étant pas adapté sur la partie supérieur 5α de la pièce de liaison 5 entre le manche et le support 2. - La figure 2 est une vue en perspective du support 2 et de la pièce de liaison 5 séparée.- Figure 1 shows a view of a bros 1 according to the invention, in top view, the handle is not adapted to the upper part 5 α of the connecting piece 5 between the handle and the support 2. - Figure 2 is a perspective view of the support 2 and the separate connecting piece 5.
- La figure 3 est une vue de face de la figure 2 montrant des tiges 6 permettant la fixation en rotation de la pièce de liaison 5 sur le support 2.FIG. 3 is a front view of FIG. 2 showing rods 6 enabling rotation of the connecting piece 5 on support 2.
- Les figures 4A et 4B montrent la pièce de liaison 5 présentant deux inclinaisons de l'ange α entre l'axe YY' du manche 3 et de la partie supérieure 5α de la pièce de liaison avec un plan XOZ correspondant au plan de la paroi 10 sur laquelle repose la brosse 1. Sur les figures 4A et 4B, la brosse est représentée sans poils.- Figures 4A and 4B show the connection part 5 having two inclinations of the angel α between the axis YY 'of the handle 3 and the upper part 5 α of the connecting piece with a plane XOZ corresponding to the plane of the wall 10 on which the brush 1 rests. In FIGS. 4A and 4B, the brush is represented without hair.
La bros se telle que représentée sur les figures comporte un support rigide de brosse 2, s 'étendant dans une direction longitudinale XX'.The bros as shown in the figures comprises a rigid brush support 2, extending in a longitudinal direction XX '.
Le support 2 comporte une partie médiane rectiligne 2c, se prolongeant à ses deux extrémités longitudinales opposées 2a et 2b par des formes incurvées, respectivement avec une extrémité longitudinale 2a incurvée vers l'avant tandis que l'autre extrémité longitudinale 2b est incurvée vers l'arrière. Les termes « avant » et « arrière » correspondent aux deux positions de part et d'autre de l'axe longitudinal XX' du support 2, la position « avant » correspondant à la position d'avancement lorsque l'utilisateur pousse le support 2 par l'intermédiaire d'un manche 3 situé en arrière du support 2. Le support 2 supporte des poils de bros se sensiblement verticaux A1 sur sa face inférieure, poils A1 dont les extrémités inférieures reposent donc sur le plan 10 d'une paroi destinée à être brossée par ledit balai- bros se. Le support 2 comporte également des poils sensiblement horizontaux 42 sur ses faces externes latérales sensiblement verticales 2e, de profil incurvé (profil dans un plan horizontal) .The support 2 comprises a rectilinear median part 2c, extending at its two opposite longitudinal ends 2a and 2b by curved shapes, respectively with a longitudinal end 2a curved forward while the other longitudinal end 2b is curved towards the back. The terms "front" and "rear" correspond to the two positions on either side of the longitudinal axis XX 'of the support 2, the "front" position corresponding to the advancing position when the user pushes the support 2 via a handle 3 located behind the support 2. The support 2 supports bristles substantially vertically A 1 on its lower face, bristles A 1 whose lower ends therefore rest on the plane 10 of a wall intended to be brushed by said brushes. The support 2 also includes two substantially horizontal bristles 4 on its substantially vertical lateral outer faces 2e, curved profile (profile in a horizontal plane).
Une extrémité tubulaire du manche 3 (non représentée sur les figures 1 à 3) vient s'emmancher sur une partie supérieure tubulaire 5α d'une pièce de liaison 5 qui s'étend dans la direction YY' dudit manche et qui lui est solidaire.A tubular end of the handle 3 (not shown in FIGS. 1 to 3) is engaged on a tubular upper part 5 α of a connecting piece 5 which extends in the direction YY 'of said handle and which is secured thereto. .
La pièce de liaison 5 du manche avec le support 2 comporte une partie inférieure 52 qui s'étend selon un profil allant en s'élargissant progres sivement depuis l'extrémité 55 fixée à la partie supérieure 5l 5 vers son extrémité 53 fixée au support 2.5 of the sleeve connection part with the support 2 comprises a lower part 5 2 extending according to a profile which widens progress sively from the 5 5 attached to the upper part 5 of the 5 to its 5'-3 attached to the support 2.
La fixation de la pièce de liaison 5 sur le support 2 est articulée en rotation autour d'un axe de rotation X1X^ , parallèle à la direction longitudinale XX' dudit support.Fixing the connecting piece 5 on the support 2 is articulated in rotation about an axis of rotation X 1 X ^, parallel to the longitudinal direction XX 'of said support.
Quatre premiers plots 2λ sont espacés dans la partie rectiligne 2c sur la face supérieure dudit support. Ces premiers plots 2λ sont perforés dans ladite direction de rotation X1X^ parallèle à la direction XX' de la partie rectiligne dudit support.Four first pads 2 λ are spaced in the rectilinear portion 2c on the upper face of said support. These first pads 2 λ are perforated in said direction of rotation X 1 X ^ parallel to the direction XX 'of the rectilinear part of said support.
Ces premiers plots 2λ coopèrent avec des deuxièmes plots 54 à l'extrémité inférieure élargie 53 de la partie inférieure 52 de la pièce de liaison 5, lesdits deuxièmes plots étant également perforés dans ladite direction longitudinale X1X^ de rotation. Les deuxièmes plots viennent s'intercaler entre lesdits premiers plots, de manière à faire coïncider les perforations longitudinales 22 des premiers plots et celles des deuxièmes plots 54. La fixation articulée en rotation desdits premiers plots 2λ par rapport aux deuxième plots 54 est réalisée grâce à deux tiges 6 insérées dans leurs dites perforations longitudinales . Comme représenté sur les figures 4A et 4B, la pièce de liaison 5 présente une inclinaison ocl d'environ 20° entre l'axe YY' de sa partie tubulaire supérieure 5t et l'axe Y1Y^ de la partie inférieure 52 de la pièce de liaison s'étendant entre son extrémité 53 fixée à ladite première partie supérieure 5j et son extrémité 53 de plus grande largeur L2 fixée sur la face dudit support 2 au niveau desdits premiers plots 2X .These first pads 2 λ cooperate with second pads 5 4 at the widened lower end 5 3 of the lower part 2 of the connecting piece 5, said second pads being also perforated in said longitudinal direction X 1 X ^ rotation. The second pads are interposed between said first pads, so as to coincide the longitudinal perforations 2 2 of the first pads and those of the second pads 5 4 . The rotatably fixed attachment of said first pads 2 λ relative to the second pads 5 4 is achieved by two rods 6 inserted into their said longitudinal perforations. As shown in FIGS. 4A and 4B, the connecting piece 5 has an inclination α1 of about 20 ° between the axis YY 'of its upper tubular part 5 t and the axis Y 1 Y 1 of the lower part 5 2 the connecting piece extending between its end 3 fixed to said first top part 5j and its end 3 of greater width L 2 fixed on the face of said support 2 at said first pads 2 X.
Le manche 3 et la partie supérieure S1 de la pièce de liaison 5 sont inclinables par rapport à un plan de paroi 10 sur laquelle repose les premiers poils verticaux A1 (non représentés sur la figure 4B) d'un angle α variant de - Oc1 (figure 4B) à environ 90° - Oc1, telle que représenté sur la figure 4A.The handle 3 and the upper part S 1 of the connecting piece 5 are inclined with respect to a wall plane 10 on which the first vertical bristles A 1 (not shown in FIG. 4B) lie at an angle α varying from Oc 1 (Figure 4B) at about 90 ° - Oc 1 , as shown in Figure 4A.
Dans la première position limite (figure 4B) dans laquelle oc = - Oc1, la face inférieure de la partie inférieure 52 de la pièce de liaison est sensiblement parallèle à la face supérieure 2d du support 2 et au plan 10 de la paroi sur laquelle repose la brosse 1.In the first limit position (FIG. 4B) in which oc = - Oc 1 , the lower face of the lower part 2 of the connecting piece is substantially parallel to the upper face 2d of the support 2 and to the plane 10 of the wall on which rest the brush 1.
Sur la figure 4A, on a représenté une position limite dans laquelle oc = environ 90° - Oc1. Mais pour autant que les premiers et deuxièmes plots de fixation autorisent une rotation, on pourrait imaginer une autre position limite dans laquelle oc = 180° - Oc1, position dans laquelle ce serait la face supérieure de la partie inférieure 52 de la pièce de liaison 5 qui serait parallèle à la face supérieure 2d du support 2 ou de ladite paroi 10.FIG. 4A shows a limit position in which oc = approximately 90 ° - Oc 1 . But as far as the first and second fixing studs allow a rotation, one could imagine another limit position in which oc = 180 ° - Oc 1 , position in which it would be the upper face of the lower part 2 of the piece of link 5 which would be parallel to the upper face 2d of the support 2 or of said wall 10.
Les deux extrémités longitudinales incurvées 2a, 2b présentent des rayons de courbure différents. L'extrémité longitudinale incurvée vers l'avant 2a présente des premières courbures à partir de la partie rectiligne 2c présente des rayon de courbure interne Ra1 (sur la face concave de la courbure) et rayon de courbure externe Ra2 (sur la face convexe de la courbure) respectivement d'environ 40 et 45 mm, supérieurs aux rayons de courbure correspondants interne Rb1 et externe Rb2 respectivement d'environ 45 et 52 mm de l'autre extrémité incurvée vers l'arrière 2b. En revanche, la largeur La de l'extrémité longitudinale incurvée vers l'avant 2a de plus petit rayon de courbure Ra1 et Ra2 est supérieure à la largeur Lb de l'extrémité longitudinale opposée incurvée vers l'arrière 2b de plus grand rayon de courbure Rb1 et Rb2.The two curved longitudinal ends 2a, 2b have different radii of curvature. The forwardly curved longitudinal end 2a has first curvatures from the rectilinear portion 2c has inner radius of curvature Ra 1 (on the concave side of the curvature) and outer radius of curvature Ra 2 (on the convex face the curvature) respectively about 40 and 45 mm, greater than the corresponding radii of curvature internal Rb 1 and external Rb 2 respectively about 45 and 52 mm from the other end curved rearward 2b. On the other hand, the width La of the longitudinal end curved forward 2a of smaller radius of curvature Ra 1 and Ra 2 is greater than Lb width of the opposite longitudinal end curved rearward 2b of greater radius of curvature Rb 1 and Rb 2 .
Les incurvations avant et arrière des extrémités longitudinales opposées 2a et 2b permettent de donner une largeur totale L au dit support supérieur à deux fois la largeur 1 de la partie rectiligne 2c dudit support.The front and rear curvatures of the opposite longitudinal ends 2a and 2b make it possible to give a total width L to said upper support at twice the width 1 of the rectilinear part 2c of said support.
Le support présente une hauteur H d'environ 20 mm et une longueur Ll d'environ 540 mm, la longueur L3 de sa partie rectiligne médiane représentant plus des trois quarts de la longueur totale Ll du support, plus particulièrement de 75 à 80 %. La largeur totale L dudit support représente environ au moins 20 % de sa longueur Ll , de préférence de 20 à 25 %.The support has a height H of approximately 20 mm and a length L1 of approximately 540 mm, the length L3 of its median rectilinear part representing more than three quarters of the total length L1 of the support, more particularly from 75 to 80%. The total width L of said support is approximately at least 20% of its length L1, preferably 20 to 25%.
Les faces latérales externes 2e des extrémités longitudinale s incurvées 2a et 2b présentent des poils A2, disposés sensiblement horizontalement et s'étendant sur une partie du pourtour desdites faces externes incurvées 2e de manière à ce que, aux extrémités, les poils sensiblement horizontaux 42 soient disposés dans une direction sensiblement perpendiculaire à ladite face externe latérale 2e et situés à l'extérieur d'une droite Y2Y'2 délimitant la partie externe convexe des faces latérales externes 2e par rapport aux parties internes concaves présentant lesdits rayons de courbure Ra1 et Rb1.The external lateral faces 2e of the curved longitudinal ends 2a and 2b have bristles A 2 , arranged substantially horizontally and extending over a portion of the periphery of said external curved faces 2e, so that at the ends the bristles are substantially horizontal. 2 are arranged in a direction substantially perpendicular to said lateral external face 2e and situated outside a line Y 2 Y ' 2 delimiting the convex outer portion of the external lateral faces 2e with respect to the concave inner portions having said radii of curvature Ra 1 and Rb 1 .
Il n'est pas nécessaire d'implanter des poils en deçà des droites Y2Y'2 dans la partie concave de la courbure aux deux extrémités 2a et 2b, c'est-à-dire orientés en direction de la partie médiane du support 2 ou vers l'intérieur du support 2. En effet, ces parties concaves ne sont pas susceptibles d'être en contact avec les parties des parois latérales verticales que l'on cherche à brosser avec lesdits poils 42 desdites faces externes. Le brossage avec les poils 42 se fait par rotation de l'axe longitudinal XX' dudit support 2 par rapport à un axe vertical Y3Y'3, cette rotation étant impulsée par l'utilisateur par un mouvement de rotation dudit manche 3 autour de son axe longitudinal XX'. It is not necessary to implant bristles below the straight lines Y 2 Y ' 2 in the concave portion of the curvature at both ends 2a and 2b, that is, oriented towards the middle portion of the support 2 or inwardly of the carrier 2. in fact, these concave portions are not likely to be in contact with the portions of the vertical side walls which it is desired to brush with bristles 4 said two of said outer faces. The brushing with the bristles 4 2 is done by rotation of the longitudinal axis XX 'of said support 2 relative to a vertical axis Y 3 Y' 3 , this rotation being driven by the user by a rotational movement of said handle 3 around of its longitudinal axis XX '.

Claims

REVENDICATIONS
1. Brosse de nettoyage des parois de fond et latérales (1) d'une piscine comprenant un support rigide longitudinal (2) à la surface duquel sont appliqués des poils de bros se (4l 542) , et par-des sus lequel s'adapte l'extrémité d'un manche (3) , de préférence télescopique, dont l'axe (YY') coïncide avec la partie rectiligne (2c) dudit support longitudinal (2) , caractérisée en ce que ledit support rigide présente à ses extrémités longitudinales (2a, 2b) un profil incurvé, avec une incurvation s'étendant vers l'avant dudit support à une extrémité longitudinale (2a) et une incurvation s'étendant vers l'arrière dudit support à l'extrémité longitudinale opposée (2b) .1. Brush for cleaning the bottom and side walls (1) of a swimming pool comprising a rigid longitudinal support (2) on the surface of which bristles are applied (4 l 5 4 2 ), and by-sus which fits the end of a handle (3), preferably telescopic, whose axis (YY ') coincides with the rectilinear portion (2c) of said longitudinal support (2), characterized in that said rigid support presents at its longitudinal ends (2a, 2b) a curved profile, with a curvature extending forwardly of said support at a longitudinal end (2a) and a curvature extending rearwardly of said support at the opposite longitudinal end (2b).
2. Bros se de nettoyage selon la revendication 1 caractérisée en ce que la largeur total (L) du support est au moins égale à deux fois la largeur (1) du support dans sa partie rectiligne (2c) entre ses deux dites extrémités longitudinales incurvées (2a, 2b) .2. Bros se cleaning according to claim 1 characterized in that the total width (L) of the support is at least equal to twice the width (1) of the support in its rectilinear part (2c) between its two said curved longitudinal ends (2a, 2b).
3. Bros se selon l'une des revendications 1 ou 2 caractérisé en ce que les rayons de courbure des incurvations aux deux extrémités opposées sont différentes, l'extrémité dudit manche au niveau de la partie rectiligne (2c) dudit support est plus proche de la partie incurvée de plus petit rayon de courbure interne et de plus grand rayon de courbure externe, s'étendant vers l'avant du support.3. Bros according to one of claims 1 or 2 characterized in that the radii of curvature of the curvatures at the two opposite ends are different, the end of said handle at the rectilinear portion (2c) of said support is closer to the curved portion of smaller internal radius of curvature and larger outer radius of curvature, extending forward of the support.
4. Bros se selon l'une des revendications 1 à 3 caractérisé en ce que l'extrémité dudit manche (3) est solidaire d'une pièce de liaison (5) à laquelle elle est fixée de manière amovible, ladite pièce de liaison (5) étant fixée à son autre extrémité sur la face supérieure du support dans sa partie rectiligne (2c) , de manière à pouvoir être déplacée en rotation selon une inclinaison variable par rapport à un axe (X1X^) parallèle à l'axe longitudinal (XX') dudit support, de préférence inclinable, de sorte que l'angle (α) entre l'axe (X, X') dudit manche et le plan de la paroi contre laquelle est appliquée ladite brosse varie au moins de 10 à 80°, de préférence de 0 à 100° .4. Bros according to one of claims 1 to 3 characterized in that the end of said handle (3) is integral with a connecting piece (5) to which it is removably attached, said connecting piece ( 5) being fixed at its other end to the upper face of the support in its rectilinear part (2c), so as to be able to move in rotation at a variable inclination with respect to an axis (X 1 X ^) parallel to the axis longitudinal (XX ') of said support, preferably inclinable, so that the angle (α) between the axis (X, X') of said handle and the plane of the wall against which brush is applied varies at least from 10 to 80 °, preferably from 0 to 100 °.
5. Bros se selon la revendication 4 caractérisé en ce que ladite pièce de liaison (5) comporte une partie supérieure (5j) tubulaire dudit manche (3) introduit à l'intérieur de l'extrémité tubulaire (3j) et une partie inférieure (52) articulée en rotation par rapport à la face supérieure dudit support (2) , ladite partie inférieure (52) s'étendant dans une direction (YJ Y'J) perpendiculaire à l'axe (X1X^) de rotation de ladite pièce de liaison (5) par rapport audit support (2) , de telle sorte que l'angle ((X1) de ladite direction (Y1Y^) de ladite partie inférieure (52) de la pièce de liaison (5) par rapport à l'axe (YY') dudit manche est de 10 à 30°, de préférence environ 20° .5. Bros according to claim 4 characterized in that said connecting piece (5) comprises a tubular upper portion (5j) of said handle (3) introduced inside the tubular end (3j) and a lower part ( 2 ) articulated in rotation with respect to the upper face of said support (2), said lower part (5 2 ) extending in a direction (Y J Y ' J ) perpendicular to the axis (X 1 X ^) of rotation of said connecting piece (5) relative to said support (2), so that the angle ((X 1 ) of said direction (Y 1 Y ^) of said lower part (5 2 ) of the piece of link (5) relative to the axis (YY ') of said handle is 10 to 30 °, preferably about 20 °.
6. Bros se selon la revendication 5 caractérisé en ce que la partie inférieure (52) de ladite pièce de liaison (5) s 'étend dans la direction (XJ X'J) dudit axe de rotation sur la face supérieure dudit support (2) sur une longueur (L2) correspondant à au moins la moitié de la longueur (L1) dudit support.6. Bros according to claim 5 characterized in that the lower portion (52) of said connecting piece (5) extends in the direction (X J X ' J ) of said axis of rotation on the upper face of said support ( 2) over a length (L 2 ) corresponding to at least half the length (L 1 ) of said support.
7. Bros se selon l'une des revendications 1 à 6 caractérisée en ce que ledit support (2) supporte des poils de brosse verticaux (A1) sur sa face inférieure, ainsi que des poils de bros se sensiblement horizontaux ou faiblement inclinés par rapport à l'horizontal (42) sur ses faces latérale et externe incurvées à ses extrémités longitudinales (2a, 2b) . 7. Bros according to one of claims 1 to 6 characterized in that said support (2) supports vertical brush bristles (A 1 ) on its underside, and brush bristles are substantially horizontal or slightly inclined by relative to the horizontal (4 2 ) on its lateral and external faces curved at its longitudinal ends (2a, 2b).
PCT/FR2009/050405 2008-04-30 2009-03-12 Swimming pool cleaning brush WO2009133327A2 (en)

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FR0852937A FR2930797A1 (en) 2008-04-30 2008-04-30 SWIMMING POOL CLEANING BRUSH
FR0852937 2008-04-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012017253A1 (en) * 2010-08-06 2012-02-09 Hullmate Limited Cleaning implements for watercraft

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP1234932A2 (en) 2001-02-22 2002-08-28 Ludwig Praher Kunststofftechnik Gesellschaft m.b.H. Sucker for cleaning a fluid filled container, specially a swimming pool

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Publication number Priority date Publication date Assignee Title
CA1200955A (en) * 1983-03-22 1986-02-25 Heinz W. Braukmann Vacuum head for cleaning underwater surfaces
AU2001242668A1 (en) * 1999-03-18 2001-10-03 Spies, Erhard Bruno Pool cleaner brush
US6148466A (en) * 1999-04-08 2000-11-21 Smitelli, Iii; Joseph J. Side surface and corner pool brush

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1234932A2 (en) 2001-02-22 2002-08-28 Ludwig Praher Kunststofftechnik Gesellschaft m.b.H. Sucker for cleaning a fluid filled container, specially a swimming pool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012017253A1 (en) * 2010-08-06 2012-02-09 Hullmate Limited Cleaning implements for watercraft

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EP2268875A2 (en) 2011-01-05
FR2930797A1 (en) 2009-11-06

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