DE102009045672A1 - Wiper blade for use with windscreen of vehicle, has multiple fixing points displaceably provided at spring rail in longitudinal direction, and fixing element cooperating with fixing points in different longitudinal positions - Google Patents

Wiper blade for use with windscreen of vehicle, has multiple fixing points displaceably provided at spring rail in longitudinal direction, and fixing element cooperating with fixing points in different longitudinal positions

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Publication number
DE102009045672A1
DE102009045672A1 DE200910045672 DE102009045672A DE102009045672A1 DE 102009045672 A1 DE102009045672 A1 DE 102009045672A1 DE 200910045672 DE200910045672 DE 200910045672 DE 102009045672 A DE102009045672 A DE 102009045672A DE 102009045672 A1 DE102009045672 A1 DE 102009045672A1
Authority
DE
Germany
Prior art keywords
fixing
connection
longitudinal
wiper blade
spring rail
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.)
Pending
Application number
DE200910045672
Other languages
German (de)
Inventor
Andreas Benner
Klaus-Juergen Westermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE200910045672 priority Critical patent/DE102009045672A1/en
Publication of DE102009045672A1 publication Critical patent/DE102009045672A1/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S1/3848Flat-type wiper blade, i.e. without harness
    • B60S1/3849Connectors therefor; Connection to wiper arm; Attached to blade
    • B60S1/3851Mounting of connector to blade assembly
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S1/3848Flat-type wiper blade, i.e. without harness
    • B60S1/3849Connectors therefor; Connection to wiper arm; Attached to blade
    • B60S1/3851Mounting of connector to blade assembly
    • B60S1/3856Gripping the blade
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S1/3848Flat-type wiper blade, i.e. without harness
    • B60S1/3874Flat-type wiper blade, i.e. without harness with a reinforcing vertebra
    • B60S1/3875Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section

Abstract

The blade (10) has a connection element (18) fastened at a prebent spring rail (16) in a middle region for connecting with a wiper arm, and including side walls with guide profiles, which are opened towards each other. The walls are connected with each other by transversely running parts. The connection element is fixed by a fixing element i.e. u-shaped clamp, in a longitudinal direction (26) relative to the rail. Multiple fixing points are displaceably provided at the rail in the longitudinal direction. The fixing element cooperates with the fixing points in different longitudinal positions.

Description

  • State of the art
  • The invention is based on a wiper blade in flat bar construction according to the preamble of claim 1.
  • From the DE 100 58 208 A1 is a generic wiper blade is known in which in the central region a connection element made of a suitable material, eg. B. plastic, is mounted on two parallel spring rails, which serve as a support element. The connecting element has on the long sides guide profiles with which it includes the spring rails from the outer longitudinal sides of the top and bottom and on the long sides themselves. Between the two spring rails, a fixing element which supports itself on the connecting element is provided which fixes the spring rails positively and / or non-positively. As a fixing element, a pin is provided, which is guided approximately perpendicular to the broad side of the spring rails in a bore of the connection element and presses the spring rails outwardly frictionally against the guide profiles of the connection element. In some embodiments, the pin can also engage in recesses on the inner sides of the spring rails, which in addition to or instead of the frictional connection a positive connection is achieved. The positive connection can also be reinforced by the fact that recesses are also provided on the outer sides of the spring rails, engage in the projections in the region of the guide profile. The fixing pin is in the assembly in his leadership, z. B. by an interference fit, by gluing, soldering, welding, caulking, pressing, screwing or the like., In its axial position secured.
  • From the DE 102 53 580 A1 a wiper blade is known, which has a single spring rail as the support element, which is housed in a longitudinal channel of the wiper strip. The connecting element comprises a part of a head strip of the wiper strip with the longitudinal channel and can be secured by pins form-fitting and / or by a material connection in the assembled position.
  • Furthermore, from the WO 00/38964 a wiper blade is known in which a connecting element has two guide profiles, which are connected to one another via a resilient strap. On the guide profiles opposite spring detents are provided, the spring tongues extending on the outer sides of the spring rails in the longitudinal direction, and having at their free ends inwardly facing locking cams, which engage in corresponding locking recesses of the spring rails in the assembled state and thus the position of the connecting element in the longitudinal direction of the Fix the wiper blade.
  • Moreover, from the WO 98/19899 a wiper blade known, the connection element has two guided on the longitudinal sides of the spring rails side walls. Each side wall has longitudinally spaced spring clips whose spring tongues are perpendicular to the broad side of the spring rails and having at their free ends locking lugs which engage under the spring rails from the side of a wiper lip. Two mutually opposite spring detents have on their spring tongues thickenings with which they engage in corresponding recesses of the spring rails and thus secure the mounting position in the longitudinal direction of the wiper blade. In one embodiment, the spring catch is provided on a bottom of the connection element. It extends in the longitudinal direction of the wiper blade and has at its free end to the spring rails indicative locking lug which engages in the mounted position in a corresponding recess of the spring rail and thus secures the mounting position.
  • Disclosure of the invention
  • According to the invention, a plurality of fixing points are provided in the longitudinal direction of the wiper blade offset on the spring rail, with which the fixing element can cooperate in different longitudinal positions. The connecting element can thus be clearly fixed in each predetermined by the fixing points longitudinal position. Thus, one and the same wiper blade can be suitably mounted on different vehicle windows, regardless of whether the position is predetermined by the factory or adjusted by the user. Furthermore, it is possible to ensure an asymmetrical attachment and thus pressure distribution of the wiper blade on the vehicle. Further, the user can easily correct an erroneous positioning of a wiper blade on the windshield when he notices them. For the production of wiper blades for different vehicle types, only the number of parts of a single execution is needed. As a result, the storage of the required components can be greatly simplified.
  • The fixing points and the fixing elements can be designed differently. Thus, the fixing points may be recesses in the spring rails in the form of notches, holes or indentations. However, it can also z. B. be formed by embossing or welded surveys. For the respective type of fixing points corresponding counterparts are provided on the connection element.
  • The fixing element may advantageously be a U-shaped bracket, whose yoke in the connecting element extends transversely to the longitudinal direction and whose legs are approximately perpendicular to the broad side of the Spring rail are guided and engage in recesses of the spring rail. This is particularly advantageous if the support element comprises two parallel spring rails. These can be fixed by a single fixing element, namely the clamp, relative to each other and to the connection element. It is expedient to secure the U-shaped bracket in the region of its yoke by a catch against the mounting direction in the connection element.
  • Instead of the clip, the connecting element can be secured by fixing pins in the longitudinal position relative to the spring rails. It is particularly advantageous if the fixing pins are connected captive at least before installation via a film hinge with the connection element made of plastic. For mounting the fixing pin, this can be released from the film hinge or the film hinge can be designed so that it allows the assembly of the fixing pin by an elastic deformation.
  • The assembly and storage can be particularly simplified if the connection element in the region of at least one guide profile has a spring catch whose spring tongue extends in the longitudinal direction and has a spring nose at its free end, whose collection or depression with a recess or recess or a survey interact with the spring rail. The spring tongue deviates during assembly in a longitudinal plane perpendicular to a broad side of the spring rail and returns upon reaching the end position in the starting position, wherein the spring catch locked with the correspondingly shaped fixing points.
  • Further advantages emerge from the following description of the drawing. In the drawings, embodiments of the invention are shown. The drawing, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.
  • Show it:
  • 1 a perspective view of a wiper blade according to the invention during assembly of a connection element,
  • 2 a detail corresponding to the line II in 1 .
  • 3 a perspective view accordingly 1 with a connection element when inserting a fixing element in the form of a clamp,
  • 4 3 a perspective partial view of a wiper blade with a partially cut connection element,
  • 5 various exemplary embodiments of fixation points,
  • 6 a cross section through a connecting element according to the line VI-VI in 7 .
  • 7 a partial perspective view of a connection element with a spring detent after 6 from underneath,
  • 8th a partial perspective view of a connection element with a fixing pin before mounting and
  • 9 a perspective partial view of a connection element according to 8th with a mounted fixing pin.
  • A wiper blade 10 is essentially a wiper strip 12 and two parallel spring rails 16 built up. The spring rails 16 serve as a support element for the wiper strip 12 , where they are in longitudinal grooves of the wiper strip 12 intervention. A back bar 14 the wiper strip 12 lies in the mounted position on the not shown wiper arm facing broad sides of the spring rails 16 on. In the middle area of the wiper blade 10 becomes a connection element 18 mounted, which serves for articulated connection with the wiper arm.
  • The connection element 18 is from the front of the wiper blade 10 longitudinal 26 on the spring rails 16 pushed up to a central area and there at fixing points in the form of recesses 20 fixed. As in 5 shown, the fixation points 20 . 22 . 24 be formed differently. This is how the fixation points become 20 by notches on the outer longitudinal sides of the spring rails 16 formed while the fixation points 22 Recesses on the inner longitudinal sides of the spring rails 16 represent and have a substantially circular arc shape. The recesses 24 on the other hand are holes in the spring rails 16 , The shape of the recesses may be polygonal, curved or circular or elliptical. Instead of the recesses can also depressions occur in the spring rails 16 are impressed. Finally, the fixing points can also be determined by elevations z. B. formed by stamping from the spring rails or formed by adapters that are welded, glued or otherwise secured.
  • In the wiper blade according to the invention 10 are in the longitudinal direction 26 with spaced apart fixing points 20 or in another design 22 . 24 or the like. Provided. You can on the outer longitudinal side of only one spring rail 16 or in pairs opposite to the outer longitudinal sides of both spring rails 16 be arranged, each fixing point or each Fixierpunktpaar a mounting position for the connection element 18 represents. The connection element 18 gets to a fixation point 20 . 22 . 24 for example in the form of a clip 40 fixed at the mounting position in the longitudinal direction. The clip 40 has two legs 44 that have a yoke 42 connected to each other. The yoke 42 runs transversely to the spring rails 16 while the thighs 44 in a cross-sectional plane in the connection element 18 perpendicular to the broad sides of the spring rails 16 are guided. The free ends of the thighs 44 grip in the assembled state in the recesses 20 respectively. 22 . 24 ,
  • The connection element 18 has two side walls 28 , by other components, namely a rear wall 30 , a front wall 32 , a joint axis 62 and a transverse wall 34 connected to each other. In the transverse wall 34 there is a slot 36 to guide the bracket 40 , In the area of the upper limit of the slot 36 is a catch 38 provided by the bracket 40 in the mounted position in the slot 36 is held. The front sides of the thighs 44 can also be designed so that they with elevations on the spring rails 16 may cooperate, in particular they may have depressions in the form of depressions or recesses in the form of grooves. If the connection element 18 take another longitudinal position, the clip becomes 40 contrary to the mounting direction of the arrow 41 solved. After moving the connection piece 18 longitudinal 26 will be the connector 18 in the new longitudinal position again through the bracket 40 fixed.
  • The connection element 46 to 6 and 7 has two side walls 48 passing through a floor 50 connected to each other. The floor 50 indicates the wiper strip 12 facing side a longitudinal groove 52 on, the the back bar 14 offers enough space. In extension of the side walls 48 towards the wiper strip 12 owns the connection element 46 guide profiles 54 with which it is on the spring rails 16 is guided. In the field of guiding profiles 54 are in the ground 50 longitudinally offset to the guide profiles 54 as fixing elements spring detents 56 whose spring tongues 58 in the longitudinal direction 26 of the wiper blade 10 extend and locking lugs at their free ends 60 have. These engage in reaching the mounting position in the associated recesses 20 . 22 . 24 , wherein the design of the locking lugs 60 and the recesses 20 . 22 . 24 are matched to each other in the above-described manner and can be modified accordingly.
  • According to the embodiment 8th and 9 owns the connection element 46 as fixing a fixing pin 66 standing in a hole in the ground 50 or in a leadership block 72 on the inner side of the side wall 48 is guided and with the fixing points in the form of the recess 20 . 22 . 24 interacts. At least during the transport of the connection element 46 is the fixing pin 66 expediently via a film hinge 68 at a suitable location with the connection element 46 connected. For mounting the fixing pin 66 dissolved and into the hole 64 be introduced. There he can be secured by a press fit, caulking or gluing or the like. The movie hinge 68 can also be arranged so that it is in the direction of the arrow 70 can be bent so that the fixing pin 66 into the hole 64 can be introduced without the film hinge 68 to destroy.
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
  • Cited patent literature
    • DE 10058208 A1 [0002]
    • DE 10253580 A1 [0003]
    • WO 00/38964 [0004]
    • WO 98/19899 [0005]

Claims (7)

  1. Wiper blade ( 10 ) in flat bar construction with a support element in the form of at least one pre-bent spring rail ( 16 ), at the middle of a connecting element ( 18 . 46 ) is attached for articulated connection with a wiper arm, wherein the connecting element ( 18 . 46 ) two side walls ( 28 . 48 ) with mutually facing, open guide profiles ( 54 ) for the spring rail ( 16 ), the side walls ( 28 . 48 ) by transverse parts ( 30 . 32 . 34 . 50 . 62 ) are connected together and the connecting element ( 18 . 46 ) by a fixing element ( 40 . 56 . 66 ) longitudinal ( 26 ) relative to the spring rail ( 16 ) is fixed, characterized in that in the longitudinal direction ( 26 ) offset on the spring rail ( 16 ) several fixation points ( 20 . 22 . 24 ) are provided, with which the fixing element ( 40 . 56 . 66 ) can interact in different longitudinal positions.
  2. Wiper blade ( 10 ) according to claim 1, characterized in that the fixing points recesses ( 20 . 22 . 24 ) in the form of notches ( 20 . 22 ), Bores ( 24 ) or embossed depressions or formed or welded elevations are, to which as fixing element ( 40 . 56 . 66 ) a corresponding counterpart on the connection element ( 18 . 46 ) is provided.
  3. Wiper blade ( 10 ) according to claim 2, characterized in that the fixing element is a U-shaped bracket ( 40 ), whose yoke ( 42 ) in the connection element ( 18 . 46 ) transverse to the longitudinal direction ( 26 ) and whose legs ( 44 ) approximately perpendicular to the broad side of the spring rail ( 16 ) and in recesses ( 20 . 24 ) of the spring rail ( 16 ) intervene.
  4. Wiper blade ( 10 ) according to claim 3, characterized in that the U-shaped bracket ( 40 ) in the region of its yoke ( 42 ) by a catch ( 38 ) contrary to the mounting direction ( 41 ) is secured in the connection element.
  5. Wiper blade ( 10 ) according to claim 2, characterized in that the connecting element ( 18 . 46 ) in the area of at least one management profile ( 54 ) a spring catch ( 56 ), whose spring tongue ( 58 ) longitudinal ( 26 ) and at its free end a detent ( 60 ) whose elevation or depression has a depression or recess ( 20 . 22 . 24 ) or a survey of the spring rail ( 16 ) cooperate by the spring tongue ( 58 ) in a longitudinal plane perpendicular to a broad side of the spring rail ( 16 ) evades and returns to the starting position in the final position.
  6. Wiper blade ( 10 ) according to claim 2, characterized in that the fixing element is a fixing pin ( 66 ), which at least before assembly via a film hinge ( 68 ) with the connection element ( 18 . 46 ) is made of plastic and in the assembled state in a bore ( 64 ) of the connection element ( 18 . 46 ) approximately perpendicular to the broad side of the spring rail ( 16 ) is guided.
  7. Connection element ( 46 ) made of plastic for use with a wiper blade ( 10 ) according to claim 6, characterized in that as fixing a fixing pin ( 66 ) via a film hinge ( 68 ) is connected to this.
DE200910045672 2009-10-14 2009-10-14 Wiper blade for use with windscreen of vehicle, has multiple fixing points displaceably provided at spring rail in longitudinal direction, and fixing element cooperating with fixing points in different longitudinal positions Pending DE102009045672A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200910045672 DE102009045672A1 (en) 2009-10-14 2009-10-14 Wiper blade for use with windscreen of vehicle, has multiple fixing points displaceably provided at spring rail in longitudinal direction, and fixing element cooperating with fixing points in different longitudinal positions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910045672 DE102009045672A1 (en) 2009-10-14 2009-10-14 Wiper blade for use with windscreen of vehicle, has multiple fixing points displaceably provided at spring rail in longitudinal direction, and fixing element cooperating with fixing points in different longitudinal positions

Publications (1)

Publication Number Publication Date
DE102009045672A1 true DE102009045672A1 (en) 2011-04-21

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ID=43798671

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Application Number Title Priority Date Filing Date
DE200910045672 Pending DE102009045672A1 (en) 2009-10-14 2009-10-14 Wiper blade for use with windscreen of vehicle, has multiple fixing points displaceably provided at spring rail in longitudinal direction, and fixing element cooperating with fixing points in different longitudinal positions

Country Status (1)

Country Link
DE (1) DE102009045672A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013082431A (en) * 2011-09-26 2013-05-09 Asmo Co Ltd Wiper blade
WO2013090676A1 (en) * 2011-12-14 2013-06-20 Federal-Mogul Corporation Windscreen wiper device
WO2014000768A1 (en) * 2012-06-26 2014-01-03 Federal-Mogul S.A. Windscreen wiper device
CN104554173A (en) * 2013-10-22 2015-04-29 扬弘实业股份有限公司 Adaptor for wiper, wiper module and wiper system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998019899A1 (en) 1996-11-02 1998-05-14 Robert Bosch Gmbh Wiper blade for vehicle window panes
WO2000038964A1 (en) 1998-12-29 2000-07-06 Robert Bosch Gmbh Device for the articulated connecting of a wiper blade for motor vehicle windows to a wiper arm and method for producing said connection
DE10058208A1 (en) 2000-11-23 2002-07-11 Valeo Auto Electric Gmbh Wiper device
DE10253580A1 (en) 2002-11-15 2004-05-27 Robert Bosch Gmbh Wiper blade for motor vehicles has wiper strip support and wiper strip connected through separate adaptor unit through positive locking or material bonding connection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998019899A1 (en) 1996-11-02 1998-05-14 Robert Bosch Gmbh Wiper blade for vehicle window panes
WO2000038964A1 (en) 1998-12-29 2000-07-06 Robert Bosch Gmbh Device for the articulated connecting of a wiper blade for motor vehicle windows to a wiper arm and method for producing said connection
DE10058208A1 (en) 2000-11-23 2002-07-11 Valeo Auto Electric Gmbh Wiper device
DE10253580A1 (en) 2002-11-15 2004-05-27 Robert Bosch Gmbh Wiper blade for motor vehicles has wiper strip support and wiper strip connected through separate adaptor unit through positive locking or material bonding connection

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013082431A (en) * 2011-09-26 2013-05-09 Asmo Co Ltd Wiper blade
WO2013090676A1 (en) * 2011-12-14 2013-06-20 Federal-Mogul Corporation Windscreen wiper device
KR20140106688A (en) * 2011-12-14 2014-09-03 페더럴-모걸 코오포레이숀 Windscreen wiper device
US8997304B2 (en) 2011-12-14 2015-04-07 Federal-Mogul Corporation Windscreen wiper device
US9834178B2 (en) 2011-12-14 2017-12-05 Federal-Mogul Llc Windscreen wiper device
KR102022329B1 (en) 2011-12-14 2019-09-18 페더럴-모걸 엘엘씨 Windscreen wiper device
WO2014000768A1 (en) * 2012-06-26 2014-01-03 Federal-Mogul S.A. Windscreen wiper device
RU2605145C2 (en) * 2012-06-26 2016-12-20 Федерал-Моугал С.А. Windscreen wiper brush
US10017161B2 (en) 2012-06-26 2018-07-10 Federal-Mogul S.A. Windscreen wiper device
CN104554173A (en) * 2013-10-22 2015-04-29 扬弘实业股份有限公司 Adaptor for wiper, wiper module and wiper system

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