WO2003029057A1 - Assemblage realise entre un bras et une raclette d'un essuie-glace et essuie-glace comportant au moins un tel assemblage - Google Patents

Assemblage realise entre un bras et une raclette d'un essuie-glace et essuie-glace comportant au moins un tel assemblage Download PDF

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Publication number
WO2003029057A1
WO2003029057A1 PCT/EP2002/010066 EP0210066W WO03029057A1 WO 2003029057 A1 WO2003029057 A1 WO 2003029057A1 EP 0210066 W EP0210066 W EP 0210066W WO 03029057 A1 WO03029057 A1 WO 03029057A1
Authority
WO
WIPO (PCT)
Prior art keywords
wiper
wiper arm
connection according
section
bearing
Prior art date
Application number
PCT/EP2002/010066
Other languages
German (de)
English (en)
Inventor
Martin Szeibert
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 WO2003029057A1 publication Critical patent/WO2003029057A1/fr

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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
    • B60S1/40—Connections between blades and arms
    • B60S1/4038—Connections between blades and arms for arms provided with a channel-shaped end
    • 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
    • B60S1/3849—Connectors therefor; Connection to wiper arm; Attached to blade
    • 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
    • B60S1/4038—Connections between blades and arms for arms provided with a channel-shaped end
    • B60S1/4064—Connections between blades and arms for arms provided with a channel-shaped end the channel-shaped end being provided with protrusions on, or holes in, the side walls to create a pivot
    • 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
    • B60S1/4038—Connections between blades and arms for arms provided with a channel-shaped end
    • B60S1/4045—Connections between blades and arms for arms provided with a channel-shaped end comprising a detachable intermediate element mounted on the channel-shaped end
    • B60S1/4048—Connections between blades and arms for arms provided with a channel-shaped end comprising a detachable intermediate element mounted on the channel-shaped end the element being provided with retention means co-operating with the channel-shaped end of the arm
    • B60S2001/4054—Connections between blades and arms for arms provided with a channel-shaped end comprising a detachable intermediate element mounted on the channel-shaped end the element being provided with retention means co-operating with the channel-shaped end of the arm the intermediate element engaging the back part of the arm
    • 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
    • B60S1/4038—Connections between blades and arms for arms provided with a channel-shaped end
    • B60S2001/4061—Connections between blades and arms for arms provided with a channel-shaped end covered by a removable cover mounted on the blade

Definitions

  • the invention relates to a connection between a wiper arm and a wiper blade of a windshield wiper for cleaning windows on vehicles, in particular motor vehicles, as well as to a windshield wiper with such a connection according to the preamble of claim 23.
  • Vehicle windows in the sense of the invention are, in particular, viewing windows in vehicles, such as vehicle front windows, but also cover windows for vehicle lights.
  • the wiper blade designed as a flat wiper blade essentially consisting of a wiper strip made of a rubber-elastic material and two flat spring rails, each of which extends over the entire length extend of the wiper blade and are accommodated with a part of their width in a groove on each longitudinal side of the wiper strip.
  • a bearing element designed as a rider is fastened to the wiper blade, for example in the area of the middle of the wiper blade, and is held in a form-fitting manner on the spring rails protruding over the long sides of the wiper strip.
  • a resilient catch is used, which is either provided on the further bearing element and engages in a counter-catch of the rider or is provided on the rider and engages in a counter-catch of the connecting bolt formed by a groove.
  • a disadvantage of this known connection is, inter alia, that a bearing element is provided on the wiper arm, which not only means higher production costs, but also increases the mass of the wiper arm.
  • Another disadvantage of the known connection is that if the bearing element on the wiper arm is damaged, for example if the connecting bolt, which is only anchored on one side, breaks out, the complete wiper arm must be replaced.
  • the object of the present invention is to show a connection between a wiper arm and a wiper blade which, compared to the prior art, has a considerably simplified and reliable design.
  • a connection is formed according to claim 1.
  • a wiper is designed according to claim 23.
  • connection according to the invention in turn a releasable attachment of the wiper blade to the wiper arm is possible.
  • the wiper blade can be easily and quickly mounted on the wiper arm and, if necessary, can also be replaced easily and quickly, the connection of the wiper blade to the wiper arm by axially inserting the connecting bolt of the connecting element into the holding and bearing holes on the wiper arm and on the bearing element of the Wiper blade and the loosening of the connection by axially removing the connecting bolt from the wiper arm and bearing element in the holding and bearing holes on the wiper arm and on the bearing element of the.
  • the connecting element is detachably fixed to the wiper arm, for example by snapping it in or by a swivel lock.
  • the connecting bolt of the connecting element is held at both ends in the wiper arm or in the legs of this wiper arm.
  • the bearing element provided on the wiper blade and designed, for example, as a rider is then accommodated at least with a partial area having the bearing bore between these legs.
  • connection according to the invention has considerable advantages over the prior art, namely an improved stability, which leads to a substantial improvement in the wiping pattern when cleaning or wiping the vehicle window, a simple and also visible to the user or assembly and disassembly of the wiper blade on the wiper arm or of the wiper arm, a substantial reduction in mass or weight by eliminating the additional bearing element on the wiper arm. Further advantages are that the number of parts required for the connection is reduced, which among other things. also significantly simplifies production.
  • FIG. 1 in a simplified representation
  • Fig. 2 is a partial plan view of the
  • connection element 3 shows a connection element for connecting the wiper blade to the wiper arm in an individual representation and in a side view
  • FIG. 4 shows a cross section through the wiper arm corresponding to FIG. 1 in individual representation
  • Fig. 5 is a partial plan view of the
  • Fig. 8 is a partial plan view of the
  • Wiper arm of a further possible embodiment of the invention
  • 1 generally denotes a wiper arm, which is made of sheet steel, for example, as a U-shaped profile - b -
  • the legs 2 ′ and 2 ′′ and the yoke section 3 each extend, for example, over the entire or essentially the entire length of the wiper arm 1.
  • the wiper arm 1 is articulated, for example, on a bearing or arm of a windshield wiper drive.
  • a wiper blade generally designated 4 in the figures, is detachably attached to the wiper arm, and also about an axis A which is perpendicular to the longitudinal extension of the wiper arm and perpendicular to the planes of the legs 2' and 2 '' is pivotable by a limited angular amount.
  • the wiper blade 4 is designed as a flat wiper blade and essentially consists of a wiper strip 5 made of a rubber-elastic material, which has the usual wiper lip 7 on an underside via a molded-on web 6, and two of a resilient flat material, for example Spring steel manufactured band or strip-shaped spring rails 8, which are oriented with their surface sides parallel to the axis A and perpendicular to the plane of the legs 2 'and 2' ', each with a part of their width extending in the direction of the axis A in on the long sides engage the grooves provided on the wiper strip and protrude with a part of their width over the respective long side of the wiper strip 5.
  • a resilient flat material for example Spring steel manufactured band or strip-shaped spring rails 8
  • a rider 9 is on the wiper blade 4 on the upper side of the wiper strip 5 facing away from the wiper lip 7 - b -
  • a bearing bore 12 is provided, which is arranged with its axis coaxially with the axis A when the wiper blade 4 is attached to the wiper arm 1.
  • the bearing section 10 has a square or slightly rectangular cross section with two side surfaces 13 arranged parallel to one another and at a distance from one another, the planes of which are perpendicular to the axis of the bearing bore 12 lie.
  • the bearing section 10 has a trapezoidal cross section which widens towards the underside.
  • the rider 9 is formed symmetrically to a central plane M, which is oriented perpendicular to the axis of the bearing bore 12 and parallel to the planes of the side surfaces 13.
  • the holding section 11 forms a groove 14, the longitudinal extent of which is oriented perpendicular to the axis of the bearing bore 12 and which lies in the plane M.
  • the groove 14 is open at both ends and to the underside of the tab 9 facing away from the bearing section 10 and forms undercuts 15 on the sides extending in the longitudinal direction of the groove 14, each of which under the tab 9 placed on the wiper blade 4 projects over a longitudinal side of the wiper strip 5
  • Take up the spring rail 8 so that in this way on the one hand the spring rails 8 are held in the associated grooves of the wiper strip 5 by the holding section 11 which overlaps them and on the other hand also the rider 9 is positively attached to the spring rails 8 and thus to the wiper strip 5.
  • the recess 14 on its bottom facing the bearing section 10 has a recess 16 which is rectangular in the cross-sectional representation of FIG. 6 and which has a reduced width in comparison to the rest of the recess 14.
  • the recess 16 when the rider 9 is attached to the wiper blade 4, the part of the wiper strip 5 located above the spring rails 8 is received, so that it is also exactly aligned with the rider 9 in the transverse direction of the wiper blade, ie in the direction of the axis A. Otherwise, the design is such that the rider 9 with its holding section 11 is pushed onto the wiper blade 4 with elastic deformation of the material of the wiper strip 5 from * one end of this wiper blade and is held on the wiper blade 4 by a clamp fit.
  • a connecting element 17 is used for the detachable attachment of the rider 9 and thus of the wiper blade 4 to the wiper arm 1.
  • this connecting element 17 essentially consists of a bolt 18 and an angled piece attached to one end of the bolt 18 resilient bracket 19, which has a bracket section 19 'radially projecting from the pin 18 and an adjoining bracket section 19' 'running parallel to the axis of the pin 18.
  • the bracket section 19 ′′ forms a locking lug 20 which projects beyond the side of the bracket section 19 ′′ facing away from the bolt 18 and which on its side End portion 19 'facing away from the end is provided with an inclined surface 21. This lies in a plane that forms an angle of less than 90 ° with the axis of the bolt 18, which opens towards the end of the bolt 18 provided with the bracket 19.
  • the locking lug 20 is located approximately in the middle of the pin 18.
  • the wider surface sides of the flat bracket 19 lie in the area of the bracket section 19 'in planes perpendicular to the axis of the bolt 18 and in the area of the bracket section 19' 'in planes parallel to the axis of the bolt 18 in such a way.
  • the connecting elements 17 formed by the bolt 18 and the flat bracket 19 with latch 20 is preferably made in one piece from a suitable material, for example from plastic.
  • the bolt 18 is held at both ends in a respective bearing bore 22 in the legs 2 'and 2''of the wiper arm 1 and passes through the bearing bore 12 of the rider 9.
  • the bearing bores 22 are bearing bushes in the embodiment shown 23 formed, which at the same time also form end-face bearing or contact surfaces for the two side surfaces 13 of the rider 9 or of the bearing section 10 of the rider 9 received between the legs 2 'and 2''.
  • the bracket portion 19 ' is located on the outside of the leg 2', which has an indentation 2 '''there in such a way that the bracket portion 19' which bears against the outer surface of the leg 2 'with its surface side facing the bolt 18' does not extend beyond the plane of the remaining outer surface of this leg protrudes.
  • the bracket 19 is passed through an opening 24 of the leg 2 ′, in such a way that the bracket section 19 ′′ runs at a distance from the upper side of the bearing section 10 of the rider 9 along the inner surface of the yoke section 3, so that the latch 20 from below engages in a counter-latching and in the embodiment shown square opening 25 in the yoke section 9.
  • the connecting element 17 is held by snapping onto the wiper arm 1 and the connection between the wiper arm 1 and the wiper blade 4 is thereby established.
  • it can be brought out of engagement with the opening 25 by pressing the locking lug 20 in accordance with the arrow B, so that the bolt 18 then comes out of the bearing bores 12 and 23 can be pulled out.
  • the inclined surface 21 facilitates the insertion of the bracket portion 19 'into the opening 24 when the wiper arm 1 is connected to the wiper blade 4.
  • the bearing bore 12 is formed, for example, by the bore of a bearing bush 12 '.
  • FIGS. 8-11 show as a further possible embodiment a wiper arm la, at the end la 'of which the tab 9 of the wiper blade 4 is in turn detachably fastened, with the aid of the fastening element 17a.
  • the wiper arm la is again designed as a U-profile with the two legs 2a 'and 2a' 'and with the yoke section 3a connecting these legs.
  • the fastening element 17a is designed like a hood, with two legs 27 arranged parallel to one another and at a distance from one another and with a yoke section 28 connecting these legs to one another, which at one end of the hood-like connecting element 17a closes this end and the legs 26 and 27 also there connecting wall section 29 passes.
  • the leg 26 On the side of the connecting element 17a opposite the wall section 29, the leg 26 forms an extension 26 'with which this leg projects beyond the leg 27 and also the yoke section 28 in the longitudinal direction of the hood-like connecting element 17a.
  • a bolt 31 is fastened with one end, which corresponds in function to the bolt 18 and projects beyond the inside of the extension 26' facing the leg 27.
  • the bolt 31 passes through the bearing bore 12 of the rider 9 and the bearing bores 22 formed by the bearing bushes 23 in the legs 2a 'or 2a''at the end la' of the wiper arm la .
  • the hood-like connecting element 17a is arranged on the wiper arm la by pivoting about the axis of the bolt 31 in such a way that it is formed on the underside of the yoke section 26 with support or Locking ribs 32 are supported flatly against the mutually facing inner surfaces of the legs 2a 'and 2a'', specifically in the region of the end la at which the yoke section 3a is missing or is recessed.
  • the locking element 17a is in this locked position against undesired pivoting back (about the axis of the Bolt 31) secured in the unlocked position.
  • the shorter leg 27 is designed such that it forms the continuation of the leg 2a ′′ at least on the visible outside when the locking element 17a is locked.
  • the wiper arm la or its leg 2a' forms an indentation 2a ''in such a way that the one facing away from the bolt 31
  • the outer surface of the leg 26 and the extension 26 ' is flush or approximately flush with the outer surface of the leg 2a'.
  • the connecting element 17a is pivoted about the axis of the bolt 31 from the position shown in FIGS. 10 and 11 in the direction of the arrow C, so that the support or locking ribs 32 disengage from the legs 2a '. or 2a '' and the connecting element 17 with its bolt 31 can be pulled out of the bearing bores 12 and 23.
  • the connecting element 17a is in turn preferably made in one piece as a molded part from a suitable material, for example from plastic or metal. As shown in FIGS. 10 and 11, this extends

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

Abstract

L'invention concerne un assemblage réalisé entre un bras et une raclette d'un essuie-glace de véhicule. Cet assemblage comprend un élément d'assemblage présentant un boulon d'assemblage qui, une fois la raclette et le bras assemblés, traverse des alésages de paliers ménagés dans des montants du bras d'essuie-glace et au moins un alésage de palier d'un élément palier prévu sur la raclette d'essuie-glace et situé entre ces montants. Cet élément palier est maintenu par encliquetage sur le bras d'essuie-glace de façon amovible.
PCT/EP2002/010066 2001-09-22 2002-09-09 Assemblage realise entre un bras et une raclette d'un essuie-glace et essuie-glace comportant au moins un tel assemblage WO2003029057A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10146774.5 2001-09-22
DE2001146774 DE10146774A1 (de) 2001-09-22 2001-09-22 Verbindung zwischen einem Wischarm und einem Wischblatt eines Scheibenwischers sowie Scheibenwischer mit wenigstens einer solchen Verbindung

Publications (1)

Publication Number Publication Date
WO2003029057A1 true WO2003029057A1 (fr) 2003-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/010066 WO2003029057A1 (fr) 2001-09-22 2002-09-09 Assemblage realise entre un bras et une raclette d'un essuie-glace et essuie-glace comportant au moins un tel assemblage

Country Status (2)

Country Link
DE (1) DE10146774A1 (fr)
WO (1) WO2003029057A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011053089A1 (de) * 2011-08-29 2013-02-28 Valeo Wischersysteme Gmbh Wischblatt für eine Wischeinrichtung eines Kraftfahrzeugs und Wischeinrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118825A (en) * 1977-03-28 1978-10-10 Monroe Auto Equipment Company Connector assembly for windshield wipers
US4178651A (en) * 1977-08-06 1979-12-18 Robert Bosch Gmbh Wiping arrangement for a vehicle window
DE4016230A1 (de) * 1989-05-23 1990-11-29 Fister Spa Scheibenwischer-vorrichtung fuer kraftfahrzeuge mit verbesserten befestigungsmitteln des wischerblattes am scheibenwischerarm
DE4016202A1 (de) * 1989-05-23 1990-11-29 Fister Spa Scheibenwischer-vorrichtung fuer kraftfahrzeuge mit verbesserten befestigungsmitteln des wischerblatts am scheibenwischerarm
FR2770474A1 (fr) * 1997-10-31 1999-05-07 Valeo Systemes Dessuyage Essuie-glace de vehicule automobile comportant des moyens perfectionnes d'articulation d'un balai d'essuie-glace sur un bras d'essuie-glace
WO2002034591A1 (fr) * 2000-10-28 2002-05-02 Robert Bosch Gmbh Dispositif pour relier de maniere articulee et amovible un balai d'essuie-glace a un bras d'essuie-glace commande

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118825A (en) * 1977-03-28 1978-10-10 Monroe Auto Equipment Company Connector assembly for windshield wipers
US4178651A (en) * 1977-08-06 1979-12-18 Robert Bosch Gmbh Wiping arrangement for a vehicle window
DE4016230A1 (de) * 1989-05-23 1990-11-29 Fister Spa Scheibenwischer-vorrichtung fuer kraftfahrzeuge mit verbesserten befestigungsmitteln des wischerblattes am scheibenwischerarm
DE4016202A1 (de) * 1989-05-23 1990-11-29 Fister Spa Scheibenwischer-vorrichtung fuer kraftfahrzeuge mit verbesserten befestigungsmitteln des wischerblatts am scheibenwischerarm
FR2770474A1 (fr) * 1997-10-31 1999-05-07 Valeo Systemes Dessuyage Essuie-glace de vehicule automobile comportant des moyens perfectionnes d'articulation d'un balai d'essuie-glace sur un bras d'essuie-glace
WO2002034591A1 (fr) * 2000-10-28 2002-05-02 Robert Bosch Gmbh Dispositif pour relier de maniere articulee et amovible un balai d'essuie-glace a un bras d'essuie-glace commande

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Publication number Publication date
DE10146774A1 (de) 2003-07-03

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