WO2007025615A1 - Flat windshield wiper blade in particular for motor vehicle wiping device - Google Patents

Flat windshield wiper blade in particular for motor vehicle wiping device Download PDF

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Publication number
WO2007025615A1
WO2007025615A1 PCT/EP2006/007428 EP2006007428W WO2007025615A1 WO 2007025615 A1 WO2007025615 A1 WO 2007025615A1 EP 2006007428 W EP2006007428 W EP 2006007428W WO 2007025615 A1 WO2007025615 A1 WO 2007025615A1
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WO
WIPO (PCT)
Prior art keywords
wiper blade
flat
notch
rail
complementary
Prior art date
Application number
PCT/EP2006/007428
Other languages
French (fr)
Inventor
Jean-Claude Thienard
Original Assignee
Valeo Systemes D'essuyage
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 Valeo Systemes D'essuyage filed Critical Valeo Systemes D'essuyage
Publication of WO2007025615A1 publication Critical patent/WO2007025615A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B60S1/3848—Flat-type wiper blade, i.e. without harness
    • B60S1/3874—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra
    • B60S1/3875—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section
    • B60S1/3881—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section in additional element, e.g. spoiler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B60S2001/3812—Means of supporting or holding the squeegee or blade rubber
    • B60S2001/3822—Means of supporting or holding the squeegee or blade rubber characterised by additional means to prevent longitudinal sliding of squeegee in support, e.g. clips

Definitions

  • the present invention relates to a flat wiper blade, which is commonly referred to as "flat blade” anglicism.
  • the invention finds a particularly advantageous, but not exclusive, application in the field of wiper devices for motor vehicles.
  • a flat broom has the particularity of being devoid of straighteners.
  • This new category of wiper blade always has a flexible scraper blade, but the outer armature responsible for the support is here replaced by a flexible structure which is directly integrated with said blade.
  • such a flat blade is provided with a connecting element which is intended in particular to allow its connection to any drive mechanism, and in which are formed a through housing and an open rail at both ends .
  • This kind of flat broom includes in in addition to an elastically deformable vertebra which takes place inside the respective housings of the connecting element and each mounting element, said housing being substantially aligned continuously.
  • a flat broom with a mono vertebra structure finally has a wiper blade which comprises a heel fitting inside the respective rails of the connecting element and each frame member, said rails being substantially aligned in a manner keep on going.
  • this type of flat windscreen wiper mono vertebra structure has the disadvantage of not offering the possibility of changing the wiper blade, as is the case for some conventional straight brushes of the state of the art.
  • it is therefore necessary to replace the flat blade as a whole. This generates a significant cost which is particularly detrimental to the commercial point of view, given the economic character of this particular type of windscreen wiper 1 flat ice.
  • the technical problem to be solved, by the object of the present invention is to provide a flat wiper 1 blade wiper particularly for mobile vehicle wiper device, comprising a connecting element for the coupling of said wiper blade.
  • flat wiper two frame members extending on either side of the connecting element, an elastically deformable vertebra arranged at
  • one of the frame elements comprises, near its distal end, a substantially transverse notch which interrupts the rail responsible for holding the wiper blade, and the flat windscreen wiper also has a complementary holding element adapted to be removably secured at the notch and to substantially restore the identical missing portion of the rail.
  • the invention as defined has the advantage of having a windscreen-wiper 1 wiper blade including the wiper blade is completely removable and therefore replaceable ismos. It is enough in simply effect to remove the complementary holding member to be disposed at the rail, an opening for laterally disengaging the wiper blade. Moreover, this modular design does not appear significantly more expensive than the unitary structure of known mono-vertebra brushes. It requires only the realization of a simple notch, and the presence of an additional piece which can be achieved easily by extrusion, namely the complementary holding element.
  • the present invention also relates to the features which will emerge during the following description, which should be considered in isolation or in all their possible technical combinations.
  • Figure 1 is a side perspective view of a flat wiper blade according to the invention.
  • Figure 2 is an exploded flat wiper blade shown in Figure 1, wherein the connecting element has been shown in longitudinal section.
  • Figure 3 illustrates in perspective from below one of the mounting elements of the flat wiper blade visible in Figures 1 and 2.
  • FIG. 4 shows the complementary holding element mounted on the flat windscreen wiper blade of FIGS. 1 and 2, said holding element complementary embodiment being in accordance with a first embodiment of the invention.
  • FIG. 5 shows the connection between the mounting element of FIG. 3 and the complementary holding element of FIG. 4.
  • Figure 6 illustrates the removal of the wiper blade from the flat wiper blade support structure.
  • Figure 7 is a view similar to Figure 5, but with a complementary holding member according to a second embodiment of the invention.
  • Figure 8 is a view similar to Figure 4, but with a complementary holding member according to a third embodiment of the invention.
  • Figures 1 and 2 illustrate a same flat wiper blade 1 which is more particularly intended to equip a wiper device of a motor vehicle.
  • This wiper 1 flat wiper 1 is first provided with a connecting element 10 whose primary function is to allow coupling with the associated wiper device. But since it is in this case a flat broom mono vertebrae, the connecting element 10 also directly participates in the carrier structure of the blade 1. This is why a housing through 11, as well as a rail 12 open at both ends, are arranged longitudinally through the lower part of the connecting element 10 as it appears on the sectional part of FIG. 2.
  • the flat broom 1 then comprises two frame members 20, 21 which are positioned on either side of the connecting element 10 (FIG. 1).
  • each frame member 20, 21 is also provided with a through housing 22, 23 and a rail 24, 25 open at both ends, which are both formed longitudinally ( Figure 2).
  • the assembly is arranged so that when the flat wiper blade 1 is assembled in accordance with FIG. 1, the housing 22, 23 and the rail 24, 25 of each frame member 20, 21 respectively communicate with the corresponding ends of the housing 11 and the rail 12 of the connecting element 10.
  • each frame member 20, 21 is not necessarily through, but that it may have only one opening to be positioned opposite the housing 11 through the housing. connecting element 10; the two housings 11, 22, 23 in question then extending in continuity with each other substantially aligned.
  • the rail 24, 25 of each frame member 20, 21 is not necessarily open at both ends. It may very well have only one opening which is positioned this time opposite the rail 12 of the connecting element 10; the two rails 12, 24, 25 in question then extending in continuity with each other substantially aligned.
  • the wiper d 1 flat wiper 1 has in addition to an elastically deformable vertebra 30 which takes place inside the respective housing 11, 22, 23 of the connecting element 10 and each frame member 20, 21.
  • the housings in question 11, 22, 23 are then aligned in a continuous manner, in accordance with FIG. 1.
  • the flat blade 1 further comprises a blade wiper 40 which has a heel 41 nested inside the respective rails 12, 24, 25 of the connecting element 10 and each frame member 20, 21; said rails 12, 24, 25 being again aligned in a continuous manner.
  • the wiper blade 40 is also provided with a lip 42 which is intended to cooperate directly by sliding contact with the surface to be wiped.
  • one of the frame members 20 has near its distal end 26, a substantially transverse notch 28 which interrupts the rail 24 responsible for maintaining the wiper blade 40.
  • the broom flat windscreen wiper 1 also has a complementary holding element 50 which is able, on the one hand, to be detachably secured to the notch 28, and on the other hand to substantially identical to the internal portion of the missing portion of the rail 24.
  • the notch 28 is orthogonally arranged with respect to the rail 24. In this embodiment it even crosses the two sides of the rail 24 in a strictly perpendicular direction.
  • the notch 28 is also made over the entire height of the rail 24. This feature maximizes the cutting of the rail 24, in order to promote the grip of the wiper blade 40 for the ultimate purpose of facilitating removal and placement.
  • the notch 28 is provided at a distance from the distal end 26 of the frame member 20, which is between 0 and 15 millimeters, and preferably between 10 and 15 millimeters.
  • the notch 28 is formed over a length which is between 5 and 20 millimeters, and preferably between 10 and 15 millimeters.
  • Figure 4 makes it appear the complementary holding member 50 in isolation, it being understood that this piece is removable.
  • the complementary support element 50 is elastically deformable. This means that it is able to fit after elastic deformation on the outside of the mounting element 20. The assembly then obtained is shown in FIG.
  • the complementary holding element 50 has a stirrup shape whose central part 51 is substantially complementary to the upper part of the mounting element 20, and whose branches 52 are able to complete the missing portion of the rail 24, which corresponds to the notch 28.
  • the central portion 51 of the complementary retaining element 50 in the form of a stirrup has a transversely arched shape.
  • This feature gives a greater deformation capacity to the complementary holding element 50, which optimizes the clipping effect.
  • the removal of the wiper blade 40 from the flexible support structure of the flat wiper blade 1 is effected in accordance with FIG. 6.
  • the complementary holding element 50 is first removed by deformation.
  • the wiper blade 40 is then compressed longitudinally within the rail 24, in the opposite direction to the distal end 26 (arrow fl), and until its end comes next to the notch 28.
  • the wiper blade 40 is then pulled by the same notch until its total withdrawal (arrow f2), the heel 41 is gradually released from the rail 24 by sliding.
  • the reassembly of the wiper blade 40 or the insertion of a new wiper blade is done logically by proceeding in the opposite way.
  • FIG. 7 shows a complementary holding element 150 which is in accordance with a second embodiment of the invention.
  • the complementary holding element 150 is distinguished only by the fact that it is provided on its outer surface with a protruding portion, forming gripping pin 153.
  • This feature offers a real assistance to disassembly , in that the gripping pin 153 constitutes a fulcrum able to facilitate the application of a force capable of elastically deforming the complementary holding element 150.
  • the holding element complementary 150 could very well include several gripping lugs 153 indifferently or not.
  • Figure 8 shows a complementary holding member 250 which is in accordance with a third embodiment of the invention. This one is remarkable in that the complementary holding element 250 is provided with at least one protruding part forming locking pin 253.
  • the assembly is furthermore arranged in such a way that each locking pin 253 is able to cooperate by interlocking with a hole of substantially complementary section, formed transversely along the wiper blade 40.
  • This feature makes it possible to longitudinally immobilize the wiper blade 40 on the inside of the rail 24. This advantageously means that it is no longer necessary to provide a specific blocking means to perform this immobilization function, as a heat distortion or an end stop for example.
  • locking lugs 253 may be variable, their length and their positioning may be arbitrary, and they may be combined with holes or blind or through notches.
  • the invention also relates to any automotive vehicle comprising at least one flat windscreen wiper blade 1 as previously described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Brushes (AREA)

Abstract

The invention concerns a flat windshield wiper blade (1) comprising an element linking (10) two mounting elements (20, 21), an elastically deformable vertebra (30), as well as a wiping blade (40). The invention is characterized in that one of the mounting elements (20) comprises a substantially transverse slot (28), and that the flat windshield wiper blade (1) is further provided with a complementary retaining element (50) adapted to be removably secured at the slot (28), and to reproduce substantially in the same way the missing part of the mounting element (20).

Description

BALAI D'ESSUIE-GLACE PLAT NOTAMMENT POUR DISPOSITIF D'ESSUYAGE DE VEHICULE AUTOMOBILE FLAT WIPER BLADE IN PARTICULAR FOR AUTOMOTIVE VEHICLE WIPING DEVICE
La présente invention concerne un balai d' essuie - glace de type plat, qui est communément désigné par l'anglicisme "flat blade" .The present invention relates to a flat wiper blade, which is commonly referred to as "flat blade" anglicism.
L'invention trouve une application part iculière- ment avantageuse, mais non exclusive, dans le domaine des dispositifs d'essuyage de véhicules automobiles. Par rapport aux balais droits majoritairement employés à l'heure actuelle, un balai plat présente la particularité d'être dépourvu de struct ure à palonniers. Cette nouvelle catégorie de balai d' essuie - glace dispose toujours d'une lame racleuse souple, mais l'armature externe chargée de la supporter est ici remplacée par une structure flexible qui est directement intégrée à ladite lame.The invention finds a particularly advantageous, but not exclusive, application in the field of wiper devices for motor vehicles. Compared to straight brooms, which are mostly used at present, a flat broom has the particularity of being devoid of straighteners. This new category of wiper blade always has a flexible scraper blade, but the outer armature responsible for the support is here replaced by a flexible structure which is directly integrated with said blade.
Il existe aujourd'hui une nouvelle génération de balai d1 essuie -glace plat qui est remarquable en ce qu'elle dispose d'une structure flexible considé rablement simplifiée puisque de type mono vertèbre, dont le principal avantage est d'être particulièrement économique .Today there is a new generation of windscreen wipers flat screen wiper 1 is remarkable in that it has a flexible structure considé ably simplified since monaural vertebra, whose main advantage is to be especially economical.
De manière générale, un tel balai plat est doté d'un élément de liaison qui est destiné notamment à permettre sa connexion à un quelconque mécanisme d'entraînement, et dans lequel sont ménagés un logement traversant ainsi qu'un rail ouvert à ses deux extrémités. On trouve également deux éléments de monture qui sont positionnés de part et d'autre de l'élément de liaison, et dans chacun desquels sont ménagés un logement et un rail communiquant respectivement avec le logement et le rail dudit élément de liaison. Ce genre de balai plat comprend en outre une vertèbre élastiquement déformable qui prend place à l'intérieur des logements respectifs de l'élément de liaison et de chaque élément de monture, lesdits logements étant sensiblement alignés de manière continue. Un balai plat à structure mono vertèbre dispose enfin d'une lame d'essuyage qui comporte un talon s ' emboîtant à l'intérieur des rails respectifs de l'élément de liaison et de chaque élément de monture, lesdits rails étant sensiblement alignés de manière continue.In general, such a flat blade is provided with a connecting element which is intended in particular to allow its connection to any drive mechanism, and in which are formed a through housing and an open rail at both ends . There are also two mounting elements which are positioned on either side of the connecting element, and in each of which are provided a housing and a rail respectively communicating with the housing and the rail of said connecting element. This kind of flat broom includes in in addition to an elastically deformable vertebra which takes place inside the respective housings of the connecting element and each mounting element, said housing being substantially aligned continuously. A flat broom with a mono vertebra structure finally has a wiper blade which comprises a heel fitting inside the respective rails of the connecting element and each frame member, said rails being substantially aligned in a manner keep on going.
Quoi qu'il en soit, ce type de balai d' essuie glace plat à structure mono vertèbre présente l'inconvénient de ne pas offrir la possibilité de changer la lame d'essuyage, comme c'est le cas pour certains balais droits classiques de l'état de la technique. En cas d'usure et/ou de détérioration de la lame, il est par conséquent nécessaire de remplacer le balai plat dans son ensemble. Cela génère un surcoût significatif qui s'avère particulièrement pénalisant au point de vue commercial, compte tenu du caractère économique de ce type particulier de balai d1 essuie glace plat .Anyway, this type of flat windscreen wiper mono vertebra structure has the disadvantage of not offering the possibility of changing the wiper blade, as is the case for some conventional straight brushes of the state of the art. In case of wear and / or deterioration of the blade, it is therefore necessary to replace the flat blade as a whole. This generates a significant cost which is particularly detrimental to the commercial point of view, given the economic character of this particular type of windscreen wiper 1 flat ice.
Aussi le problème technique à résoudre, par l'objet de la présente invention, est de proposer un balai d1 essuie -glace plat notamment pour dispositif d'essuyage de véhicule a utomobile, comprenant un élément de liaison destiné au couplage dudit balai d ' essuie-glace plat, deux éléments de monture s 'étendant de part et d'autre de l'élément de liaison, une vertèbre élastiquement déformable disposée àAlso the technical problem to be solved, by the object of the present invention, is to provide a flat wiper 1 blade wiper particularly for mobile vehicle wiper device, comprising a connecting element for the coupling of said wiper blade. flat wiper, two frame members extending on either side of the connecting element, an elastically deformable vertebra arranged at
1 ' intérieur de trois logements contigus ménagés à travers respectivement l'élément de liaison et les deux éléments de monture, ainsi qu'une lame d'essuyage emboîtée à l'intérieur de trois rails contigus ménagés le long respectivement de l'élément de liaison et des deux éléments de monture, balai d1 essuie-glace plat qui permettrait d'éviter les problèmes de l'état de la technique en offrant notamment la possibilité de remplacer indéfiniment la lame d'essuyage, tout en demeurant particulièrement peu onéreux.1 interior of three contiguous housings formed through respectively the connecting element and the two frame elements, and a wiper blade nested inside three contiguous rails arranged respectively along the connecting element and the two frame elements, one windscreen wiper plate which would avoid the problems of the prior art by providing in particular the possibility of indefinitely replace the wiper blade , while remaining particularly inexpensive.
La solution au problème techni que posé consiste, selon la présente invention, en ce qu'un des éléments de monture comporte à proximité de son extrémité distale, une encoche sensiblement transversale qui interrompt le rail chargé de maintenir la lame d'essuyage, et en ce que le balai d' essuie-glace plat dispose en outre d'un élément de maintien complémentaire apte à être solidarisé de manière amovible au niveau de l'encoche et à reconstituer sensiblement à l'identique la portion manquante du rail .The solution to the technical problem that is posed, according to the present invention, is that one of the frame elements comprises, near its distal end, a substantially transverse notch which interrupts the rail responsible for holding the wiper blade, and the flat windscreen wiper also has a complementary holding element adapted to be removably secured at the notch and to substantially restore the identical missing portion of the rail.
Cela signifie en d'autres termes qu'une interruption de rail est ménagée au voisinage de l'extrémité distale d'un des éléments de monture, et qu'une fois mis en place, l'élément de maintien complémentaire est en mesure de compléter la portion manquante du rail qui correspond à l'encoche. Cela permet de conserver l'homogénéité de la fonction de maintien exercée par le rail sur la lame d'essuyage, et donc de préserver la qualité d'essuyage. Mais de manière encore plus concrète, cela permet aussi tout simplement d'éviter tout désengagement inopportun de la lame d'essuyage au cours de l'utilisation effective du balai d ' essuie-glace plat.This means in other words that a rail interruption is provided in the vicinity of the distal end of one of the frame members, and that once in place, the complementary holding element is able to complete the missing portion of the rail that corresponds to the notch. This makes it possible to maintain the homogeneity of the holding function exerted by the rail on the wiper blade, and thus to preserve the quality of wiping. But even more concretely, this also makes it possible to avoid any undesirable disengagement of the wiper blade during the actual use of the flat windscreen wiper blade.
L'invention telle qu'ainsi définie présente l'avantage de pouvoir disposer d'un balai d1 essuie glace plat dont la lame d'essuyage est parfaitement amovible, et donc a isément remplaçable. Il suffit en effet simplement de retirer l'élément de maintien complémentaire pour pouvoir disposer au niveau du rail, d'une ouverture permettant de désengager latéralement la lame d'essuyage. Par ailleurs, cette conception modulaire n'apparaît pas significativement plus onéreuse que la structure unitaire des balais à mono vertèbres connus. Elle nécessite en effet uniquement la réalisation d'une simple encoche, et la présence d'une pièce supplémentaire qui peut notamment être réalisée facilement par extrusion, à savoir l'élément de maintien complémentaire.The invention as defined has the advantage of having a windscreen-wiper 1 wiper blade including the wiper blade is completely removable and therefore replaceable isément. It is enough in simply effect to remove the complementary holding member to be disposed at the rail, an opening for laterally disengaging the wiper blade. Moreover, this modular design does not appear significantly more expensive than the unitary structure of known mono-vertebra brushes. It requires only the realization of a simple notch, and the presence of an additional piece which can be achieved easily by extrusion, namely the complementary holding element.
La présente invention concerne également les caractéristiques qui ressortiront au cours de la description qui va suivre, et qui devront être considérées isolément ou selon toutes leurs combinaisons techniques possibles.The present invention also relates to the features which will emerge during the following description, which should be considered in isolation or in all their possible technical combinations.
Cette description, donnée à titre d'exemple non limitatif, est destinée à mieux faire comprendre en quoi consiste l'invention et comment elle peut être réalisée. Elle est par ailleurs donnée en référence aux dessins annexés dans lesquels:This description, given by way of non-limiting example, is intended to better understand what the invention is and how it can be achieved. It is also given with reference to the appended drawings in which:
La figure 1 constitue une vue en perspective latérale d'un balai d'essuie -glace plat conforme à 1 ' invention.Figure 1 is a side perspective view of a flat wiper blade according to the invention.
La figure 2 est un éclaté du balai d'essuie -glace plat visible à la figure 1, dans lequel l'élément de liaison a été représenté en coupe longitudinale.Figure 2 is an exploded flat wiper blade shown in Figure 1, wherein the connecting element has been shown in longitudinal section.
La figure 3 illustre en perspective de dessous un des éléments de monture du balai d'essuie -glace plat visible aux figures 1 et 2.Figure 3 illustrates in perspective from below one of the mounting elements of the flat wiper blade visible in Figures 1 and 2.
La figure 4 représente l'élément de maintien complémentaire monté sur le balai d'essuie -glace plat des figures 1 et 2, ledit élément de maintien complémentaire étant conforme à un premier mode de réalisation de l'invention.FIG. 4 shows the complementary holding element mounted on the flat windscreen wiper blade of FIGS. 1 and 2, said holding element complementary embodiment being in accordance with a first embodiment of the invention.
La figure 5 montre l'assemblage entre l'élément de monture de la figure 3 et l'élément de maintien complémentaire de la figure 4.FIG. 5 shows the connection between the mounting element of FIG. 3 and the complementary holding element of FIG. 4.
La figure 6 illustre le retrait de la lame d'essuyage de la structure support balai d ' essuie -glace plat.Figure 6 illustrates the removal of the wiper blade from the flat wiper blade support structure.
La figure 7 est une vue similaire à la figure 5, mais avec un élément de maintien complémentaire conforme à un second mode de réalisation de 1 ' invention.Figure 7 is a view similar to Figure 5, but with a complementary holding member according to a second embodiment of the invention.
La figure 8 constitue une vue similaire à la figure 4, mais avec un élément de maintien complémentaire conforme à un troisième mode de réalisation de l'invention.Figure 8 is a view similar to Figure 4, but with a complementary holding member according to a third embodiment of the invention.
Pour des raisons de clarté, les mêmes éléments ont été désignés par des références identiques . De même, seuls les éléments essentiels pour la compréhension de l'invention ont été représentés, et ceci sans respect de l'échelle et de manière schématique.For the sake of clarity, the same elements have been designated by identical references. Likewise, only the essential elements for understanding the invention have been represented, and this without regard to the scale and in a schematic manner.
Les figures 1 et 2 illustrent un même balai d ' essuie-glace plat 1 qui est plus particulièrement destiné à équiper un dispositif d'essuyage de véhicule automobile.Figures 1 and 2 illustrate a same flat wiper blade 1 which is more particularly intended to equip a wiper device of a motor vehicle.
Ce balai d1 essuie -glace plat 1 est tout d'abord doté d'un élément de liaison 10 dont la fonction première est de permettre le couplage avec le dispositif d'essuyage associé. Mais puisqu'il s'agit dans le cas présent d'un balai plat à mono vertèbre, l'élément de liaison 10 participe également de manière directe à la structure porteuse du balai 1. C'est pourquoi un logement traversant 11, ainsi qu'un rail 12 ouvert à ses deux extrémités, sont ménagés longitudinalement à travers la partie basse de l'élément de liaison 10 comme cela apparaît sur la partie en coupe de la figure 2.This wiper 1 flat wiper 1 is first provided with a connecting element 10 whose primary function is to allow coupling with the associated wiper device. But since it is in this case a flat broom mono vertebrae, the connecting element 10 also directly participates in the carrier structure of the blade 1. This is why a housing through 11, as well as a rail 12 open at both ends, are arranged longitudinally through the lower part of the connecting element 10 as it appears on the sectional part of FIG. 2.
Le balai plat 1 comporte ensuite deux éléments de monture 20, 21 qui sont positionnés de part et d'autre de l'élément de liaison 10 (figure 1) . On remarque que chaque élément de monture 20, 21 est là aussi pourvu d'un logement traversant 22, 23 et d'un rail 24, 25 ouvert à ses deux extrémités, qui sont tous deux ménagés longitudinalement (figure 2) . L'ensemble est agencé de manière à ce que quand le balai d' essuie glace plat 1 est assemblé conformément à la figure 1, le logement 22, 23 et le rail 24, 25 de chaque élément de monture 20, 21 communique respectivement avec les extrémités correspondantes du logement 11 et du rail 12 de l'élément de liaison 10.The flat broom 1 then comprises two frame members 20, 21 which are positioned on either side of the connecting element 10 (FIG. 1). Note that each frame member 20, 21 is also provided with a through housing 22, 23 and a rail 24, 25 open at both ends, which are both formed longitudinally (Figure 2). The assembly is arranged so that when the flat wiper blade 1 is assembled in accordance with FIG. 1, the housing 22, 23 and the rail 24, 25 of each frame member 20, 21 respectively communicate with the corresponding ends of the housing 11 and the rail 12 of the connecting element 10.
Il est à noter que le logement 22, 23 de chaque élément de monture 20, 21 n'est pas forcément traversant, mais qu'il peut ne comporter qu'une seule ouverture venant se positionner en regard du logement traversant 11 de l'é lément de liaison 10 ; les deux logements 11, 22, 23 en question s ' étendant alors dans la continuité l'un de l'autre de manière sensiblement alignée. De la même manière, le rail 24, 25 de chaque élément de monture 20, 21 n'est pas forcément ouvert à ses deux extrémités. Il peut très bien lui aussi ne comporter qu'une ouverture venant se positionner cette fois en regard du rail 12 de l'élément de liaison 10 ; les deux rails 12, 24, 25 en question s ' étendant alors dans la continuité l'un de l'autre de manière sensiblement alignée.It should be noted that the housing 22, 23 of each frame member 20, 21 is not necessarily through, but that it may have only one opening to be positioned opposite the housing 11 through the housing. connecting element 10; the two housings 11, 22, 23 in question then extending in continuity with each other substantially aligned. In the same way, the rail 24, 25 of each frame member 20, 21 is not necessarily open at both ends. It may very well have only one opening which is positioned this time opposite the rail 12 of the connecting element 10; the two rails 12, 24, 25 in question then extending in continuity with each other substantially aligned.
Le balai d1 essuie -glace plat 1 dispose en plus d'une vertèbre élastiquement déformable 30 qui prend place à l'intérieur des logements respectifs 11, 22, 23 de l'élément de liaison 10 et de chaque élément de monture 20, 21. Les logeme nts en question 11, 22, 23 sont alors alignés de manière continue, conformément à la figure 1. Le balai plat 1 comprend en outre une lame d'essuyage 40 qui comporte un talon 41 s 'emboîtant à l'intérieur des rails respectifs 12, 24, 25 de l'élément de liaison 10 et de chaque élément de monture 20, 21 ; lesdits rails 12, 24, 25 étant là encore alignés de manière continue. La lame d'essuyage 40 est également pourvue d'une lèvre 42 qui est destinée à coopérer directement par contact glissant avec la surface à essuyer.The wiper d 1 flat wiper 1 has in addition to an elastically deformable vertebra 30 which takes place inside the respective housing 11, 22, 23 of the connecting element 10 and each frame member 20, 21. The housings in question 11, 22, 23 are then aligned in a continuous manner, in accordance with FIG. 1. The flat blade 1 further comprises a blade wiper 40 which has a heel 41 nested inside the respective rails 12, 24, 25 of the connecting element 10 and each frame member 20, 21; said rails 12, 24, 25 being again aligned in a continuous manner. The wiper blade 40 is also provided with a lip 42 which is intended to cooperate directly by sliding contact with the surface to be wiped.
Conformément à l'objet de la présente invention, un des éléments de monture 20 comporte à proximité de son extrémité distale 26, une encoche sensiblement transversale 28 qui interrompt le rail 24 chargé de maintenir la lame d'essuyage 40. Par ailleurs, le balai d ' essuie-glace plat 1 dispose en outre d'un élément de maintien complémentaire 50 qui est en mesure, d'une part, d'être solidarisé de manière amovible au niveau de l'encoche 28, et d'autre part, de reconstituer sensiblement à l'identique la p artie interne de la portion manquante du rail 24. Selon une particularité de l'invention visible notamment à la figure 3, l'encoche 28 est ménagée orthogonalement par rapport au rail 24. Dans cet exemple de réalisation, elle traverse même les deux bords la téraux du rail 24 suivant une direction strictement perpendiculaire.According to the object of the present invention, one of the frame members 20 has near its distal end 26, a substantially transverse notch 28 which interrupts the rail 24 responsible for maintaining the wiper blade 40. Moreover, the broom flat windscreen wiper 1 also has a complementary holding element 50 which is able, on the one hand, to be detachably secured to the notch 28, and on the other hand to substantially identical to the internal portion of the missing portion of the rail 24. According to a feature of the invention visible in particular in Figure 3, the notch 28 is orthogonally arranged with respect to the rail 24. In this embodiment it even crosses the two sides of the rail 24 in a strictly perpendicular direction.
De manière particulièrement avantageuse, l'encoche 28 est par ailleurs réalisée sur toute la hauteur du rail 24. Cette caractéristique permet de maximiser la découpe du rail 24, afin de f avoriser la préhension de la lame d'essuyage 40 dans le but ultime d'en faciliter le retrait et la mise en place.In a particularly advantageous manner, the notch 28 is also made over the entire height of the rail 24. This feature maximizes the cutting of the rail 24, in order to promote the grip of the wiper blade 40 for the ultimate purpose of facilitating removal and placement.
Selon une particularité de l'invention, l'encoche 28 est ménagée à une distance de l'extrémité distale 26 de l'élément de monture 20, qui est comprise entre 0 et 15 millimètres, et de préférence entre 10 et 15 millimètres .According to a feature of the invention, the notch 28 is provided at a distance from the distal end 26 of the frame member 20, which is between 0 and 15 millimeters, and preferably between 10 and 15 millimeters.
Conformément à une autre caractéristique avantageuse, l'encoche 28 est réalisée sur une longueur qui est comprise entre 5 et 20 millimètres, et de préférence entre 10 et 15 millimètres.According to another advantageous characteristic, the notch 28 is formed over a length which is between 5 and 20 millimeters, and preferably between 10 and 15 millimeters.
La figure 4 fait quant à elle apparaître l'élément de maintien complémentaire 50 de manière isolée, étant entendu que cette pièce est amovible. Quoi qu'il en soit et selon une autre particularité de l'invention, l'élément de maintien complémenta ire 50 est élastiquement déformable. Cela signifie qu'il est en mesure de s'emboîter après déformation élastique sur l'extérieur de l'élément de monture 20. L'assemblage alors obtenu est représenté à la figure 5.Figure 4 makes it appear the complementary holding member 50 in isolation, it being understood that this piece is removable. In any case and according to another particularity of the invention, the complementary support element 50 is elastically deformable. This means that it is able to fit after elastic deformation on the outside of the mounting element 20. The assembly then obtained is shown in FIG.
Ainsi qu'on peut le voir clairement à la figure 4, l'élément de maintien complémentaire 50 présente une forme d'étrier dont la partie centrale 51 est sensiblement complémentaire de la partie supérieure de l'élément de monture 20, et dont les branches 52 sont aptes à compléter la portion manquante d u rail 24 , qui correspond à l'encoche 28.As can clearly be seen in FIG. 4, the complementary holding element 50 has a stirrup shape whose central part 51 is substantially complementary to the upper part of the mounting element 20, and whose branches 52 are able to complete the missing portion of the rail 24, which corresponds to the notch 28.
De manière particulièrement avantageuse, la partie centrale 51 de l'élément de maintien complémentaire 50 en forme d'étrier dispose d'une forme arquée transversalement. Cette caractéristique confère une plus grande capacité de déformation à l'élément de maintien complémentaire 50, ce qui permet d'optimiser l'effet de clipage. Le retrait de la lame d'essuyage 40, de la structure support flexible du balai d ' essuie -glace plat 1, s'opère conformément à la figure 6. L'él ément de maintien complémentaire 50 est tout d'abord retiré par déformation élastique, ce qui permet de découvrir l'encoche 28. La lame d'essuyage 40 est ensuite compressée longitudinalement à l'intérieur du rail 24, dans la direction opposée à l'extrémité distale 26 (flèche fl), et jusqu'à ce que son extrémité vienne en regard de l'encoche 28. La lame d'essuyage 40 est alors tirée par cette même encoche jusqu'à son retrait total (flèche f2), le talon 41 se dégageant progressivement du rail 24 par coulissem ent . Le remontage de la lame d'essuyage 40 ou l'insertion d'une nouvelle lame d'essuyage s'effectue logiquement en procédant de manière inverse.Particularly advantageously, the central portion 51 of the complementary retaining element 50 in the form of a stirrup has a transversely arched shape. This feature gives a greater deformation capacity to the complementary holding element 50, which optimizes the clipping effect. The removal of the wiper blade 40 from the flexible support structure of the flat wiper blade 1 is effected in accordance with FIG. 6. The complementary holding element 50 is first removed by deformation. The wiper blade 40 is then compressed longitudinally within the rail 24, in the opposite direction to the distal end 26 (arrow fl), and until its end comes next to the notch 28. The wiper blade 40 is then pulled by the same notch until its total withdrawal (arrow f2), the heel 41 is gradually released from the rail 24 by sliding. The reassembly of the wiper blade 40 or the insertion of a new wiper blade is done logically by proceeding in the opposite way.
La figure 7 fait apparaître un élément de maintien complémentaire 150 qui est conforme à un second mode de réalisation de l'invention. Par rapport à son homologue précédemment décrit, l'élément de maintien complémentaire 150 se distingue uniquement par le fait qu'il est doté à sa surface externe d'une partie saillante, formant ergot de préhension 153. Cette caractéristique offre une véritable aide au démontage, en ce sens que l'ergot de préhension 153 constitue un point d'appui à même de faciliter l'application d'une force susceptible de déformer élastiquement l'élément de maintien complémentaire 150. Il est à noter que l'élément de maintien complémentaire 150 pourrait très bien comporter plusieurs ergots de préhension 153 disposés de manière indifférente ou pas.Figure 7 shows a complementary holding element 150 which is in accordance with a second embodiment of the invention. Compared with its counterpart previously described, the complementary holding element 150 is distinguished only by the fact that it is provided on its outer surface with a protruding portion, forming gripping pin 153. This feature offers a real assistance to disassembly , in that the gripping pin 153 constitutes a fulcrum able to facilitate the application of a force capable of elastically deforming the complementary holding element 150. It should be noted that the holding element complementary 150 could very well include several gripping lugs 153 indifferently or not.
La figure 8 montre quant à elle un élément de maintien complémentaire 250 qui est conforme à un troisième mode de réalisation de l'invention. Celui -ci est remarquable en ce que l'élément de maintien complémentaire 250 est pourvu d'au moins une partie saillante, formant ergot de blocage 253. L'ensemble est par ailleurs agencé de manière à ce que chaque ergot de blocage 253 soit en mesure de coopérer par emboîtement avec un trou de section sensiblement complémentaire, ménagé transversalement le long de la lame d'essuyage 40.Figure 8 shows a complementary holding member 250 which is in accordance with a third embodiment of the invention. This one is remarkable in that the complementary holding element 250 is provided with at least one protruding part forming locking pin 253. The assembly is furthermore arranged in such a way that each locking pin 253 is able to cooperate by interlocking with a hole of substantially complementary section, formed transversely along the wiper blade 40.
Cette caractéristique permet d'immobiliser longitudinalement la lame d'essuyage 40 à l'i ntérieur du rail 24. Cela signifie avantageusement qu'il n'est plus nécessaire de prévoir un moyen de blocage spécifique pour réaliser cette fonction d'immobilisation, comme une déformation à chaud ou une butée d'extrémité par exemple.This feature makes it possible to longitudinally immobilize the wiper blade 40 on the inside of the rail 24. This advantageously means that it is no longer necessary to provide a specific blocking means to perform this immobilization function, as a heat distortion or an end stop for example.
Il est entendu que 1 e nombre d'ergot de blocage 253 peut être variable, que leur longueur et leur positionnement peut être quelconque, et qu'ils peuvent être combinés à des trous ou des encoches borgnes ou traversants.It should be understood that the number of locking lugs 253 may be variable, their length and their positioning may be arbitrary, and they may be combined with holes or blind or through notches.
Bien évidemment, l'invention concerne également tout véhi cule automobile comportant au moins un balai d' essuie-glace plat 1 tel que précédemment décrit. Of course, the invention also relates to any automotive vehicle comprising at least one flat windscreen wiper blade 1 as previously described.

Claims

REVENDICATIONS
1. Balai d1 essuie -glace plat (1) notamment pour dispositif d'essuyage de véhicule automobile, comprenant un élément de liaison (10) destiné au couplage dudit balai d1 essuie -glace plat (1), deux éléments de monture (20, 21) s ' étendant de part et d'autre de l'élément de liaison (10), une vertèbre élastiquement déformable (30) disposée à l'intérieur de trois logements contigus (11, 22, 23) ménagés à travers respectivement l'élément de liaison (10) et les deux éléments de monture (20, 21), ainsi qu'une lame d'essuyage (40) emboîtée à l'intérieur de trois rails contigus (12, 24, 25) ménagés le long respectivement de l'élément de liaison (10) et des de ux éléments de monture (20, 21), caractérisé en ce qu'un des éléments de monture (20) comporte à proximité de son extrémité distale (26) , une encoche sensiblement transversale (28) qui interrompt le rail (24) chargé de maintenir la lame d'essuyage (40), et en ce que le balai d'essuie - glace plat (1) dispose en outre d'un élément de maintien complémentaire (50, 150, 250) apte à être solidarisé de manière amovible au niveau de l'encoche (28) et à reconstituer sensiblement à l'identique la portion manquante du rail (24) .1. Broom 1 towel flat screen wiper (1) in particular for a motor vehicle wiper device, comprising a connecting element (10) for coupling to said windscreen wiper 1 flat screen wiper (1), two mounting elements ( 20, 21) extending on either side of the connecting element (10), an elastically deformable vertebra (30) disposed inside three contiguous housings (11, 22, 23) formed respectively through the connecting element (10) and the two mounting elements (20, 21), as well as a wiper blade (40) fitted inside three contiguous rails (12, 24, 25) arranged along respectively of the connecting element (10) and of the mounting elements (20, 21), characterized in that one of the mounting elements (20) comprises in the vicinity of its distal end (26), a notch substantially cross-section (28) which interrupts the rail (24) responsible for holding the wiper blade (40), and that the windscreen wiper blade at (1) also has a complementary holding element (50, 150, 250) that can be releasably secured at the notch (28) and substantially identically reconstructing the missing portion of the rail (24).
2. Balai d'essuie -glace plat (1) selon la revendication 1, caractérisé en ce que l'encoche (28) est ménagée orthogonalement par rapport au rail (24).2. flat wiper blade (1) according to claim 1, characterized in that the notch (28) is formed orthogonally relative to the rail (24).
3. Balai d'essuie -glace plat (1) selon l'une des revendications 1 ou 2, caractérisé en ce que l'encoche (28) est ménagée sur toute la hauteur du rail (24). 3. flat wiper blade (1) according to one of claims 1 or 2, characterized in that the notch (28) is formed over the entire height of the rail (24).
4. Balai d' essuie -glace plat (1) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'encoche (28) est ménagée à une distance de l'extrémité distale (26) de l'élément de mo nture (20), qui est comprise entre 0 et 15 millimètres, et de préférence entre 10 et 15 millimètres.4. flat wiper blade (1) according to any one of claims 1 to 3, characterized in that the notch (28) is provided at a distance from the distal end (26) of the element of molding (20), which is between 0 and 15 millimeters, and preferably between 10 and 15 millimeters.
5. Balai d' essuie -glace plat (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'encoche (28) est réalisée sur une longueur qui est comprise entre 5 et 20 millimètres, et de préférence entre 10 et 15 millimètres.5. Flat wiper blade (1) according to any one of claims 1 to 4, characterized in that the notch (28) is formed over a length which is between 5 and 20 millimeters, and preferably between 10 and 15 millimeters.
6. Balai d' essuie -glace plat (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément de maintien complémentaire (50, 150, 250) est élastiquement déformable.6. Flat wiper blade (1) according to any one of claims 1 to 5, characterized in that the complementary holding element (50, 150, 250) is elastically deformable.
7. Balai d'essuie -glace plat (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'élément de maintien complémentaire (50, 150, 250) présente une forme d'étrier dont la partie centrale (51) est sensiblement complément aire de la partie supérieure de l'élément de monture (20), et dont les branches (52) sont aptes à compléter la portion manquante du rail (24), qui correspond à l'encoche 28.Flat wiper blade (1) according to any one of claims 1 to 6, characterized in that the complementary holding element (50, 150, 250) has a stirrup shape whose central part (51) is substantially complementary to the upper part of the mounting element (20), and whose branches (52) are able to complete the missing portion of the rail (24), which corresponds to the notch 28.
8. Balai d'essuie -glace plat (1) selon la revendication 7, caractérisé en ce que la partie centrale 51 de l'élément de maintien complémentaire (50, 150, 250) en forme d'étrier présente transversalement une forme arquée. Flat wiper blade (1) according to claim 7, characterized in that the central part 51 of the complementary stirrup-shaped holding member (50, 150, 250) has an arcuate shape transversely.
9. Balai d'essuie -glace plat (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'élément de maintien complémentaire (150) comporte à sa surface externe au moins une partie saillante, formant ergot de préhension (153) .9. flat wiper blade (1) according to any one of claims 1 to 8, characterized in that the complementary holding element (150) has at its outer surface at least one protruding part forming a pin of gripping (153).
10. Balai d'essuie -glace plat (1) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que l'élément de maintien complémentaire (250) comporte au moins une partie saillante, formant ergot de blocage (253a, 253b) , qui est apte à coopérer par emboîtement avec un trou de section sensiblement complémentaire, ménagé transversalement le long de la lame d'essuyage (40) .Flat wiper blade (1) according to any one of claims 1 to 9, characterized in that the complementary holding element (250) comprises at least one protruding part forming a locking pin (253a, 253b), which is adapted to cooperate by interlocking with a hole of substantially complementary section, formed transversely along the wiper blade (40).
11. Véhicule automobile, caractérisé en ce qu'il comporte au moins un balai d'essuie -glace plat (1) selon l'une quelconque des revendications précédentes. 11. Motor vehicle, characterized in that it comprises at least one flat wiper blade (1) according to any one of the preceding claims.
PCT/EP2006/007428 2005-08-29 2006-07-27 Flat windshield wiper blade in particular for motor vehicle wiping device WO2007025615A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0508797A FR2890025B1 (en) 2005-08-29 2005-08-29 FLAT WIPER BLADE IN PARTICULAR FOR A WIPER DEVICE OF A MOTOR VEHICLE
FR0508797 2005-08-29

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WO2007025615A1 true WO2007025615A1 (en) 2007-03-08

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TW (1) TW200722318A (en)
WO (1) WO2007025615A1 (en)

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Publication number Priority date Publication date Assignee Title
JP5666622B2 (en) 2010-12-27 2015-02-12 株式会社ミツバ Wiper blade and its assembly method
FR3063264B1 (en) * 2017-02-28 2023-10-13 Valeo Systemes Dessuyage HOLDING ORGAN, WIPER BLADE, PROCESSES FOR DISASSEMBLY AND ASSEMBLY OF A WIPER BLADE

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19801058A1 (en) * 1998-01-14 1999-07-15 Bosch Gmbh Robert Motor vehicle windscreen wiper blade with curved spring rail
DE202004012132U1 (en) * 2004-08-03 2004-10-14 Ku, Shu-Lan, Hsingchuang Windscreen wiper, assembled of elastic metal strip, rubber lip and two rubber cover elements
DE202004013172U1 (en) * 2004-08-20 2004-10-28 Alca Mobil Auto Accessories Gmbh Wiper blade for cleaning of motor vehicle windscreens has movable rubber lip consisting of rubber mixture with characteristics suitable for seasonal application and especially for winter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19801058A1 (en) * 1998-01-14 1999-07-15 Bosch Gmbh Robert Motor vehicle windscreen wiper blade with curved spring rail
DE202004012132U1 (en) * 2004-08-03 2004-10-14 Ku, Shu-Lan, Hsingchuang Windscreen wiper, assembled of elastic metal strip, rubber lip and two rubber cover elements
DE202004013172U1 (en) * 2004-08-20 2004-10-28 Alca Mobil Auto Accessories Gmbh Wiper blade for cleaning of motor vehicle windscreens has movable rubber lip consisting of rubber mixture with characteristics suitable for seasonal application and especially for winter

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FR2890025B1 (en) 2007-10-05
FR2890025A1 (en) 2007-03-02
TW200722318A (en) 2007-06-16

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