FR2781740A1 - Windscreen wiper with aerodynamic deflector fitted by means of complementary sections , one carried by transverse section from side of scraping blade carrier and other formed as groove in side of deflector. - Google Patents
Windscreen wiper with aerodynamic deflector fitted by means of complementary sections , one carried by transverse section from side of scraping blade carrier and other formed as groove in side of deflector. Download PDFInfo
- Publication number
- FR2781740A1 FR2781740A1 FR9809831A FR9809831A FR2781740A1 FR 2781740 A1 FR2781740 A1 FR 2781740A1 FR 9809831 A FR9809831 A FR 9809831A FR 9809831 A FR9809831 A FR 9809831A FR 2781740 A1 FR2781740 A1 FR 2781740A1
- Authority
- FR
- France
- Prior art keywords
- deflector
- wiper
- blade
- wiper blade
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B60S1/3806—Means, or measures taken, for influencing the aerodynamic quality of the 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
- B60S1/38—Wiper blades
- B60S2001/3812—Means of supporting or holding the squeegee or blade rubber
- B60S2001/3817—Means of supporting or holding the squeegee or blade rubber chacterised by a backing strip to aid mounting of squeegee in support
- B60S2001/3818—Means of supporting or holding the squeegee or blade rubber chacterised by a backing strip to aid mounting of squeegee in support the backing strip being a channel-like element, e.g. not continuous
-
- 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
- B60S2001/3817—Means of supporting or holding the squeegee or blade rubber chacterised by a backing strip to aid mounting of squeegee in support
- B60S2001/382—Means of supporting or holding the squeegee or blade rubber chacterised by a backing strip to aid mounting of squeegee in support the backing strip being an essentially planar reinforcing strip, e.g. vertebra
Abstract
Description
La présente invention concerne un essuie-glace de véhicule automobileThe present invention relates to a motor vehicle windscreen wiper
L'invention concerne plus particulièrement un essuie-glace du type comportant un balai d'essuie-glace qui porte une raclette d'essuyage en matériau souple qui comporte une lame souple d'essuyage dont la partie supérieure est munie d'un profilé longitudinal de rigidification, et du type comportant un déflecteur aérodynamique qui est monté sur le balai de manière à s'étendre longitudinalement, au moins en partie en vis-à- vis de la raclette d'essuyage, et qui est relié à la raclette par au moins une traverse de liaison qui porte une plaque longitudinale de support et de renfort du déflecteur On connaît de nombreux exemples d'une telle conception d'un essuie-glace dans lesquelles la liaison mécanique entre le déflecteur et la plaque de support et de renfort est réalisée par accrochage mécanique, notamment au moyen d'agrafes, du déflecteur sur la plaque ou par surmoulage de la partie active souple du déflecteur autour de la The invention relates more particularly to a wiper of the type comprising a wiper blade which carries a wiper blade of flexible material which comprises a flexible wiper blade, the upper part of which is provided with a longitudinal profile of stiffening, and of the type comprising an aerodynamic deflector which is mounted on the brush so as to extend longitudinally, at least partially opposite the wiping squeegee, and which is connected to the squeegee by at least a connecting crosspiece which carries a longitudinal support and reinforcement plate for the deflector Numerous examples are known of such a design of a wiper in which the mechanical connection between the deflector and the support and reinforcement plate is produced by mechanical attachment, in particular by means of staples, of the deflector on the plate or by overmolding of the flexible active part of the deflector around the
plaque de support et de renfort.support and reinforcement plate.
La première de ces solutions est coûteuse et complexe à mettre en oeuvre, tandis que la seconde nécessite de pouvoir disposer de matériaux compatibles afin de réaliser le surmoulage ou le moulage The first of these solutions is expensive and complex to implement, while the second requires the availability of compatible materials in order to carry out overmolding or molding.
simultané du déflecteur selon la technique de co-extrusion. simultaneous deflector using the co-extrusion technique.
Afin de remédier à ces inconvénients, I'invention propose un essuie- glace du type mentionné précédemment caractérisé en ce que la face interne du déflecteur, tournée vers la raclette d'essuyage, comporte une rainure longitudinale, formant glissière, de profil complémentaire de celui de la plaque de support et de renfort et dans laquelle ladite plaque In order to remedy these drawbacks, the invention proposes a wiper of the type mentioned above, characterized in that the internal face of the deflector, facing the wiper blade, has a longitudinal groove, forming a slide, of profile complementary to that of the support and reinforcement plate and in which said plate
est enfilée longitudinalement pour le montage du déflecteur. is threaded longitudinally for mounting the deflector.
Selon d'autres caractéristiques de l'invention: - les traverses de liaison sont réalisées en une seule pièce avec le profilé de rigidification; - les traverses de liaison sont réalisées en une seule pièce avec la plaque de support et de renfort du déflecteur; - le profilé de rigidification, les traverses de liaison et la plaque de support et de renfort du déflecteur sont réalisés venus de matière par moulage en matière plastique; - la traverse de liaison est unique et est réalisée sous la forme d'une plaque transversale de liaison; - le profilé de rigidification entoure un talon supérieur de la raclette d'essuyage - le profilé de rigidification est une lame de rigidification qui est insérée transversalement dans un talon supérieur de la raclette d'essuyage; - le déflecteur aérodynamique est réalisé en matériau souple et comporte une lèvre inférieure adjacente à la vitre à essuyer L'invention concerne aussi une raclette d'essuyage destinée à équiper le balai d'un essuie-glace réalisé conformément aux According to other characteristics of the invention: - the connecting crosspieces are made in one piece with the stiffening profile; - The connecting crosspieces are made in one piece with the support and reinforcement plate of the deflector; - The stiffening profile, the connecting crosspieces and the support and reinforcement plate of the deflector are produced integrally by plastic molding; - The connecting crosspiece is unique and is made in the form of a transverse connecting plate; - The stiffening profile surrounds an upper heel of the wiping squeegee - the stiffening profile is a stiffening blade which is inserted transversely in an upper heel of the wiping squeegee; - The aerodynamic deflector is made of flexible material and has a lower lip adjacent to the window to be wiped. The invention also relates to a wiping squeegee intended to equip the blade with a wiper produced in accordance with
enseignements de l'invention.teachings of the invention.
D'autres caractéristiques et avantages de l'invention Other characteristics and advantages of the invention
apparaîtront à la lecture de la description détaillée qui suit pour la will appear on reading the following detailed description for the
compréhension de laquelle on se reportera aux dessins annexés dans lesquels: - la figure 1 est une vue schématique en perspective éclatée qui illustre les principaux composants d'un tronçon d'une raclette d'essuie-glace appartenant à un essuie-glace réalisé conformément aux enseignements de l'invention; - la figure 2 est une vue similaire à celle de la figure 1 sur laquelle le déflecteur est illustré en position assemblé sur la raclette d'essuyage. On reconnaît sur les figures une raclette d'essuyage 10, destinée à être portée par la structure articulée (non représentée) d'un balai d'essuie-glace appartenant à un essuie-glace de véhicule automobile. D'une manière connue, la raclette 10 est un profilé en élastomère comportant une partie inférieure 12 formant lame d'essuyage qui est conformée, en section transversale, en pointe de flèche renversée. La partie supérieure 14, réalisée venue de matière par extrusion, est un talon de section trapézoïdale qui se prolonge par une bande de liaison verticale 16 avec deux ailes transversales 18 de renfort. De cette manière, la lame d'essuyage 12 est articulée par rapport au talon 14 pour s'incliner dans les deux sens autour de la charnière longitudinale constituée par la bande de liaison et understanding of which reference will be made to the appended drawings in which: - Figure 1 is a schematic exploded perspective view which illustrates the main components of a section of a wiper blade belonging to a wiper produced in accordance with teachings of the invention; - Figure 2 is a view similar to that of Figure 1 in which the deflector is illustrated in the assembled position on the wiper blade. We recognize in the figures a wiper blade 10, intended to be carried by the articulated structure (not shown) of a wiper blade belonging to a wiper motor vehicle. In a known manner, the squeegee 10 is an elastomer profile comprising a lower part 12 forming a wiper blade which is shaped, in cross section, at an inverted arrowhead. The upper part 14, produced integrally by extrusion, is a heel of trapezoidal section which is extended by a vertical connecting strip 16 with two transverse wings 18 of reinforcement. In this way, the wiping blade 12 is articulated relative to the heel 14 to tilt in both directions around the longitudinal hinge formed by the connecting strip and
d'articulation 16, en fonction du sens de balayage, alterné, de l'essuie- of articulation 16, depending on the direction of scanning, alternating, of the wiper
glace. D'une manière connue, le talon supérieur 14, qui permet aussi l'accrochage de la raclette 10 sur la structure du balai d'essuie-glace (par des moyens non représentés), est rigidifié par une vertèbre de ice cream. In a known manner, the upper heel 14, which also allows the attachment of the squeegee 10 to the structure of the wiper blade (by means not shown), is stiffened by a vertebra of
rigidification 20.stiffening 20.
La vertèbre 20 est ici un tronçon d'un profilé en matière plastique rigide ou semi-rigide qui est, de préférence, réalisé par moulage par co-extrusion avec la raclette d'essuyage. En section transversale, le profil interne de la vertèbre 20 est complémentaire du profil externe de la partie supérieure 14, 16 de la The vertebra 20 is here a section of a rigid or semi-rigid plastic profile which is preferably produced by co-extrusion molding with the wiping squeegee. In cross section, the internal profile of the vertebra 20 is complementary to the external profile of the upper part 14, 16 of the
raclette d'essuyage 10.wiper blade 10.
Ainsi, la vertèbre 20 comporte deux joues verticales parallèles 22 qui s'étendent le long de la boucle d'articulation 16 et sont reliées Thus, the vertebra 20 has two parallel vertical cheeks 22 which extend along the articulation loop 16 and are connected
entre elles par un dos supérieur 24 de section trapézoïdale. between them by an upper back 24 of trapezoidal section.
A partir de l'une des joues verticales 22, la vertèbre comporte une traverse de liaison 26 qui est ici une plaque horizontale réalisée venue de matière par moulage avec la vertèbre de rigidification 20 et qui s'étend transversalement vers l'extérieur et sur toute la longueur de la vertèbre 20. La plaque 26 formant traverse de liaison peut comporter un ou plusieurs trous 28 permettant l'accrochage d'accessoires, non représentés, tels que par exemple les composants appartenant a un From one of the vertical cheeks 22, the vertebra comprises a connecting crosspiece 26 which is here a horizontal plate produced integrally by molding with the stiffening vertebra 20 and which extends transversely outwards and over any the length of the vertebra 20. The plate 26 forming a cross-member can include one or more holes 28 allowing the attachment of accessories, not shown, such as for example the components belonging to a
dispositif d'aspersion en liquide de lavage de la vitre à essuyer. spraying device for washing the window to be wiped.
Conformément aux enseignements de l'invention, la traverse de liaison 26 relie une plaque 30 à la vertèbre de rigidification 20, qui est une plaque de support et de rigidification d'un déflecteur In accordance with the teachings of the invention, the connecting crosspiece 26 connects a plate 30 to the stiffening vertebra 20, which is a support and stiffening plate for a deflector
aérodynamique souple et profilé 32. flexible and streamlined aerodynamics 32.
La plaque 30 est une plaque réalisée venue de matière par extrusion avec la vertèbre 20 et la traverse 26 qui s'étend sur toute la longueur de la raclette dans un plan incliné par rapport à la verticale en formant un angle aigu par rapport au plan horizontal de la face The plate 30 is a plate produced integrally by extrusion with the vertebra 20 and the crosspiece 26 which extends over the entire length of the squeegee in a plane inclined with respect to the vertical, forming an acute angle with respect to the horizontal plane of the face
supérieure de la traverse 26.top of cross 26.
La plaque 30, réalisée dans le même matériau que celui de la vertèbre 20, est rigide ou semi-rigide et elle constitue un rail ou tenon destiné à être enfilé dans une rainure complémentaire 34, formant glissière ou mortaise, de la face interne 36 du déflecteur aérodynamique 32. La conception complémentaire de la plaque 30 et de la rainure 34 permet ainsi un assemblage du type tenon et mortaise en enfilant longitudinalement le deflecteur 32 sur la plaque 30 de manière à The plate 30, made of the same material as that of the vertebra 20, is rigid or semi-rigid and it constitutes a rail or tenon intended to be threaded in a complementary groove 34, forming a slide or mortise, of the internal face 36 of the aerodynamic deflector 32. The complementary design of the plate 30 and the groove 34 thus allows an assembly of the tenon and mortise type by threading the deflector 32 longitudinally on the plate 30 so as to
constituer l'ensemble illustré à la figure 2. constitute the assembly illustrated in FIG. 2.
La tenue longitudinale du déflecteur aérodynamique 32 en position sur la plaque 30 est obtenue soit par friction, compte tenu de la nature des deux matériaux constitutifs de la vertèbre 30 et du déflecteur 32, soit par des moyens d'immobilisation relatifs (non représentés) qui sont par exemple constitués par un pion transversal d'immobilisation s'étendant a travers la plaque 30 et le corps du déflecteur aérodynamique 32. En position assemblée, et comme on peut le voir notamment sur la figure 2, le déflecteur aérodynamique 32 s'étend longitudinalement en regard de la raclette d'essuyage 10 et il peut comporter une lèvre inférieure souple 38 qui s'étend verticalement au The longitudinal resistance of the aerodynamic deflector 32 in position on the plate 30 is obtained either by friction, taking into account the nature of the two materials constituting the vertebra 30 and the deflector 32, or by relative immobilization means (not shown) which are for example constituted by a transverse immobilization pin extending through the plate 30 and the body of the aerodynamic deflector 32. In the assembled position, and as can be seen in particular in FIG. 2, the aerodynamic deflector 32 extends longitudinally opposite the wiper blade 10 and it may include a flexible lower lip 38 which extends vertically at
droit du bord inférieur d'essuyage de la lame d'essuyage 12. right of the lower wiping edge of the wiper blade 12.
L'invention n'est pas limitée au mode de réalisation préféré qui The invention is not limited to the preferred embodiment which
vient d'être décrit en référence aux figures 1 et 2. has just been described with reference to FIGS. 1 and 2.
La conformation de la plaque 30 et la rainure complémentaire 34 peuvent être différentes et par exemple être conçues en queue The shape of the plate 30 and the complementary groove 34 may be different and for example be designed in a tail
d'aronde.dovetail.
Le déflecteur souple 32 peut revêtir de nombreuses formes de réalisation notamment du point de vue de son profil aérodynamique The flexible deflector 32 can take many embodiments, in particular from the point of view of its aerodynamic profile.
défini par la conformation de sa face externe 40. defined by the conformation of its external face 40.
Sans sortir du cadre de l'invention, la vertèbre de rigidification 20 peut être constituée, d'une manière connue, par une vertèbre métallique ou en matière plastique rigide insérée transversalement dans une rainure longitudinale du talon 14, ce dernier étant alors équipé de deux vertèbres de renfort, opposées transversalement, dont l'une comporte une ou plusieurs traverses de liaison 26 qui la relient à la plaque de support et de renfort 30 du déflecteur aérodynamique souple 32. De même, toujours sans sortir du cadre de l'invention, le talon 14 de la raclette d'essuyage 10 n'est pas nécessairement réalisée par co-extrusion avec la vertèbre de rigidification 20 en matière plastique, mais il peut aussi être inséré longitudinalement dans la vertèbre de rigidification 20 après réalisation séparée de ces deux éléments sous Without departing from the scope of the invention, the stiffening vertebra 20 can be constituted, in a known manner, by a metallic or rigid plastic vertebra inserted transversely into a longitudinal groove in the heel 14, the latter then being equipped with two reinforcement vertebrae, transversely opposite, one of which comprises one or more connecting crosspieces 26 which connect it to the support and reinforcement plate 30 of the flexible aerodynamic deflector 32. Likewise, still without departing from the scope of the invention, the heel 14 of the wiping squeegee 10 is not necessarily produced by co-extrusion with the stiffening vertebra 20 made of plastic, but it can also be inserted longitudinally into the stiffening vertebra 20 after separate production of these two elements under
forme de profilés.shape of profiles.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9809831A FR2781740B1 (en) | 1998-07-31 | 1998-07-31 | MOTOR VEHICLE WINDSCREEN WIPER COMPRISING AN AERODYNAMIC DEFLECTOR AND WIPER BLADE FOR SUCH A WINDSCREEN WIPER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9809831A FR2781740B1 (en) | 1998-07-31 | 1998-07-31 | MOTOR VEHICLE WINDSCREEN WIPER COMPRISING AN AERODYNAMIC DEFLECTOR AND WIPER BLADE FOR SUCH A WINDSCREEN WIPER |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2781740A1 true FR2781740A1 (en) | 2000-02-04 |
FR2781740B1 FR2781740B1 (en) | 2000-09-22 |
Family
ID=9529256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9809831A Expired - Fee Related FR2781740B1 (en) | 1998-07-31 | 1998-07-31 | MOTOR VEHICLE WINDSCREEN WIPER COMPRISING AN AERODYNAMIC DEFLECTOR AND WIPER BLADE FOR SUCH A WINDSCREEN WIPER |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2781740B1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2806993A1 (en) * | 2000-03-30 | 2001-10-05 | Valeo Systemes Dessuyage | Vehicle windscreen wiper comprises scraper blade carried by windscreen wiper blade support mounted to move perpendicular to wiping direction between top retracted and bottom cleaning positions |
WO2005023612A1 (en) * | 2003-09-05 | 2005-03-17 | Federal-Mogul S.A. | Windscreen wiper device |
FR2982820A1 (en) * | 2011-11-17 | 2013-05-24 | Peugeot Citroen Automobiles Sa | Brush for windscreen wiper of windscreen of car, has main column whose longitudinal side is located on side of projected liquid and extended near surface to be wiped by forming bent zone for protecting airflow of liquid toward vehicle |
US11014618B2 (en) | 2018-12-28 | 2021-05-25 | Transtex Llc | Rear fairing assemblies for a cargo enclosure |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2106775A (en) * | 1981-10-03 | 1983-04-20 | Rau Swf Autozubehoer | Wiper blade assembly comprising spoiler |
FR2552384A1 (en) * | 1983-09-28 | 1985-03-29 | Champion Spark Plug Europ | WIPER BLADE WITH AIR DEFLECTOR DEVICE |
FR2661146A1 (en) * | 1990-04-20 | 1991-10-25 | Autorupteur Cie Nouvelle | Windscreen wiper |
US5206969A (en) * | 1992-06-29 | 1993-05-04 | General Motors Corporation | Wiper with reduced chatter and wind lift |
EP0765784A1 (en) * | 1995-09-29 | 1997-04-02 | Valeo Systemes D'essuyage | Flexible deflector for a windscreen wiper, including means for mounting it onto the wiper blade rubber |
-
1998
- 1998-07-31 FR FR9809831A patent/FR2781740B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2106775A (en) * | 1981-10-03 | 1983-04-20 | Rau Swf Autozubehoer | Wiper blade assembly comprising spoiler |
FR2552384A1 (en) * | 1983-09-28 | 1985-03-29 | Champion Spark Plug Europ | WIPER BLADE WITH AIR DEFLECTOR DEVICE |
FR2661146A1 (en) * | 1990-04-20 | 1991-10-25 | Autorupteur Cie Nouvelle | Windscreen wiper |
US5206969A (en) * | 1992-06-29 | 1993-05-04 | General Motors Corporation | Wiper with reduced chatter and wind lift |
EP0765784A1 (en) * | 1995-09-29 | 1997-04-02 | Valeo Systemes D'essuyage | Flexible deflector for a windscreen wiper, including means for mounting it onto the wiper blade rubber |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2806993A1 (en) * | 2000-03-30 | 2001-10-05 | Valeo Systemes Dessuyage | Vehicle windscreen wiper comprises scraper blade carried by windscreen wiper blade support mounted to move perpendicular to wiping direction between top retracted and bottom cleaning positions |
WO2005023612A1 (en) * | 2003-09-05 | 2005-03-17 | Federal-Mogul S.A. | Windscreen wiper device |
US8276239B2 (en) | 2003-09-05 | 2012-10-02 | Federal-Mogul S.A. | Windscreen wiper device |
FR2982820A1 (en) * | 2011-11-17 | 2013-05-24 | Peugeot Citroen Automobiles Sa | Brush for windscreen wiper of windscreen of car, has main column whose longitudinal side is located on side of projected liquid and extended near surface to be wiped by forming bent zone for protecting airflow of liquid toward vehicle |
US11014618B2 (en) | 2018-12-28 | 2021-05-25 | Transtex Llc | Rear fairing assemblies for a cargo enclosure |
Also Published As
Publication number | Publication date |
---|---|
FR2781740B1 (en) | 2000-09-22 |
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