EP2790973A1 - Dispositif de balai d'essuie-glace et procédé pour produire un dispositif de balai d'essuie-glace - Google Patents

Dispositif de balai d'essuie-glace et procédé pour produire un dispositif de balai d'essuie-glace

Info

Publication number
EP2790973A1
EP2790973A1 EP12780744.4A EP12780744A EP2790973A1 EP 2790973 A1 EP2790973 A1 EP 2790973A1 EP 12780744 A EP12780744 A EP 12780744A EP 2790973 A1 EP2790973 A1 EP 2790973A1
Authority
EP
European Patent Office
Prior art keywords
spring rail
wiper strip
channel
strip device
wiper
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.)
Withdrawn
Application number
EP12780744.4A
Other languages
German (de)
English (en)
Inventor
Christian Wilms
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
Publication of EP2790973A1 publication Critical patent/EP2790973A1/fr
Withdrawn legal-status Critical Current

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
    • B60S1/3848—Flat-type wiper blade, i.e. without harness
    • B60S1/3874—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra
    • 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
    • B60S2001/3824—Means of supporting or holding the squeegee or blade rubber the blade or squeegee pivoting about an axis parallel to blade longitudinal axis
    • 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
    • B60S2001/3827—Wiper blades characterised by the squeegee or blade rubber or wiping element
    • B60S2001/3836—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by cross-sectional shape

Definitions

  • the invention relates to a wiper strip device according to the preamble of patent claim 1.
  • wiper strip device with a wiper strip, which comprises a wiping edge for wiping a vehicle window and a spring rail channel with a receiving area for a spring rail known.
  • the invention relates to a wiper strip device with a wiper strip, which comprises a wiper edge for wiping a vehicle window and a spring rail channel with a receiving area for a spring rail.
  • the spring rail channel is formed at least partially open on a side facing away from the wiper edge, whereby a particularly simple mounting with a spring rail while avoiding other components can be achieved.
  • a "wiper strip” is to be understood as meaning, in particular, an element which is at least partially rubber-like and has a wiper lip which is provided for wiping a vehicle window, in particular a motor vehicle window Understood edge, which is intended to wipe over a vehicle window.
  • the wiping edge is arranged on a wiper lip.
  • a “spring rail channel” is to be understood as meaning, in particular, a channel which is provided for receiving a spring rail and has at least one longitudinal opening which opens the spring rail channel perpendicular to a spring rail longitudinal extension
  • the spring rail channel comprises a channel base wall, on which an inserted spring rail rests, thus forming a channel bed, in which context a "receiving area” is to be understood as meaning in particular a region provided for this purpose to receive a spring rail.
  • the receiving area is bounded by the channel side walls and the channel base wall.
  • the spring rail can be materially connected to the spring rail channel.
  • the spring rail is positively connected to the spring rail channel.
  • a “spring rail” is to be understood in this context, in particular an element having at least one extension which in a normal operating state by at least 10%, in particular by at least 20%, preferably by at least 30% and more preferably by at least 50% elastic
  • an "extension" of an element should, in this context, be understood to mean, in particular, a maximum distance between two points of a vertical projection of the element onto a plane.
  • Spring rail at least partially made of spring steel.
  • the spring rail preferably has essentially a shape of a bent bar and particularly advantageously a flattened curved bar.
  • a curvature of the spring rail along a longitudinal extent in an unloaded state is greater than a curvature of a vehicle surface of a motor vehicle, in particular a vehicle window, over which the spring rail is guided in at least one operating state.
  • "open" is to be understood as having in particular at least one continuous recess.
  • the receiving region of the spring rail channel has a taper in at least one region in a direction away from the wiping edge, whereby a spring rail can be fixed positively in the direction away from the wiping edge and thus stable in the spring rail channel.
  • a “tapering” is to be understood as meaning, in particular, a reduction of a spring rail channel cross section.
  • the taper is continuously formed, whereby particularly heavy loads can be avoided at joints between a mounted spring rail and the wiper strip.
  • the spring rail channel is at least partially dovetailed, whereby a connection between the wiper strip and a spring rail is particularly durable and can be easily manufactured.
  • the term "dovetailed shape" should be understood to mean, in particular, a trapezoidal shape, in which case the two channel sidewalls preferably have the same lengths
  • Spring rail channel has at least partially a roundish spring rail channel cross-section, whereby advantageously a pivotable mounting of the spring rail can be achieved on the wiper strip.
  • roundish is meant in this context in particular curved and / or arcuate and / or preferably arcuate.
  • the wiper strip comprises a reinforcing element which adjoins the spring rail channel, a particularly stable connection to a spring rail can be produced.
  • a reinforcing element is intended in In this context, in particular an element to be understood, which is formed of a harder material than the wiper strip.
  • the reinforcing element and the wiper strip are produced in a coextrusion process, whereby advantageously low production costs can be achieved.
  • the wiper strip device comprises a spring rail which has a spring rail cross-section corresponding to the spring rail channel cross-section.
  • the spring rail fills the spring rail channel completely.
  • "corresponding” should be understood to mean, in particular, a substantially identical cross-sectional contour.
  • a particularly good wiping result can be achieved if the wiper strip is mounted pivotably relative to the spring rail.
  • FIG. 1 shows a wiper blade with a wiper strip device in a side view
  • Fig. 2 is a sectional view of the wiper strip device according to the invention.
  • Fig. 3 is a sectional view of another embodiment of a wiper strip device according to the invention.
  • FIG. 1 shows a wiper blade 28a with a wiper strip device according to the invention.
  • the wiper blade 28a is provided for wiping a vehicle window 32a.
  • the wiper strip device has a wiper strip 10a, which comprises a wiping edge 12a.
  • the wiping edge 12a wipes over a surface 34a of the vehicle window 32a in an operating condition and thus cleans the vehicle window 32a of liquids or solids thereon, such as rainwater or snow.
  • the wiper strip 10a tilts about a longitudinal axis that runs parallel to a longitudinal direction 36a or a longitudinal extension of the wiper strip 10a.
  • the wiper strip 10a has a tilting web 38a, which is designed to be elastic.
  • the wiper strip device comprises a spring rail 18a.
  • the spring rail 18a is made of a spring steel.
  • a Windabweiserelement 30a is arranged, which is intended to reject a force acting on the wiper strip device wind and to use for pressing the wiper strip 10a on the vehicle window 32a.
  • the wind deflector element 30a extends over a total longitudinal extent of the spring rail 18a.
  • Wind deflector element 30a is materially connected to the spring rail 18a.
  • Wind deflector element 30a is materially connected to the spring rail 18a.
  • Wind deflector element 30a to connect via a fabric bond and / or a positive fit with the wiper strip 10a.
  • FIG. 2 shows a sectional representation of the wiper strip device.
  • the wind deflector element 30a is not shown for reasons of clarity.
  • the wiper strip 10a comprises a spring rail channel 14a with a receiving region 16a for the spring rail 18a.
  • the spring rail channel 14a is open on a side 20a facing away from the wiping edge 12a.
  • the spring rail channel 14a has two opposite channel side walls 40a, 42a. Furthermore, the spring rail channel 14a has a channel base wall 44a, which forms a channel bed.
  • the channel side walls 40a, 42a adjoin the channel base wall 44a.
  • the channel side walls 40a, 42a and the channel base wall 44a each enclose an angle of 45 °.
  • the receiving area 16a is delimited by the channel side walls 40a, 42a and the channel base wall 44a.
  • the spring rail 18a is inserted into the spring rail channel 14a and lies in a form-fitting manner on the channel side walls 40a, 42a and on the channel base wall 44a.
  • the receiving region 16a of the spring rail channel 14a has a taper 24a in a direction away from the wiping edge 12a direction 22a.
  • a spring rail channel cross section is reduced in the direction away from the wiper edge 12a direction 22a.
  • the taper 24a is continuously formed.
  • the channel side walls 40a, 42a taper the spring rail channel 14a linearly. It is in this context, however also conceivable to use another, the skilled person appears useful rejuvenation, such as in particular a stepped or toothed taper.
  • the spring rail channel 14a is dovetail-shaped.
  • the two channel side walls 40a, 42a have the same lengths.
  • the spring rail 18a has a spring rail cross-section corresponding to the spring rail channel cross-section. Thus, the spring rail 18a completely fills the spring rail channel 14a.
  • FIG. 3 shows a further exemplary embodiment of the invention.
  • the following descriptions are essentially limited to the differences between the exemplary embodiments, reference being made to the description of the first exemplary embodiment with regard to features and functions that remain the same.
  • the letter a in the reference numerals of the embodiment in Figures 1 and 2 by the letter b in the reference numerals of the embodiment of Figure 3 is replaced.
  • a spring rail channel 14b of a wiper strip 10b has a roundish spring rail channel cross section.
  • the spring rail channel 14b comprises a single circularly curved channel wall 46b.
  • a reinforcing element 26b is arranged on the channel wall 46b.
  • the reinforcing element 26b is formed of a harder material than the wiper strip 10b.
  • a receiving area 16b for a spring rail 18b is bounded by the reinforcing element 26b.
  • the reinforcing element 26b and the wiper strip 10b are produced in a coextrusion process.
  • connection methods which appear meaningful to the person skilled in the art for connecting the reinforcing element 26b and the wiper strip 10b. In particular spraying, gluing and / or welding processes.
  • a spring rail 18b is inserted in the spring rail channel 14b.
  • the spring rail 18b has a circular arc-shaped, roundish bulge, which bears against the reinforcing element 26b.
  • the wiper strip 10b is thereby pivotally mounted to the spring rail 18b.
  • a separate tilting web for the pivotable mounting of the wiper strip 10b or the wiper edge 12b integrally formed on the wiper strip 10b is avoided in the exemplary embodiment shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)
  • Cleaning In General (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

L'invention concerne un dispositif de balai d'essuie-glace comprenant une lame d'essuyage (10a ; 10b) qui comporte une arrête d'essuyage (12a; 12b) pour effectuer l'essuyage d'une vitre de véhicule (32a ; 32b) ainsi qu'un canal à lame flexible (14a ; 14b) pourvu d'une zone de réception (16a ; 16b) pour une lame flexible (18a ; 18b). Le canal à lame flexible (14a ; 14b) est conçu de manière à être au moins partiellement ouvert d'un côté (20a ; 20b) qui est opposé à l'arrête d'essuyage (12a ; 12b).
EP12780744.4A 2011-12-15 2012-11-02 Dispositif de balai d'essuie-glace et procédé pour produire un dispositif de balai d'essuie-glace Withdrawn EP2790973A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011088750A DE102011088750A1 (de) 2011-12-15 2011-12-15 Wischleistenvorrichtung
PCT/EP2012/071686 WO2013087289A1 (fr) 2011-12-15 2012-11-02 Dispositif de balai d'essuie-glace et procédé pour produire un dispositif de balai d'essuie-glace

Publications (1)

Publication Number Publication Date
EP2790973A1 true EP2790973A1 (fr) 2014-10-22

Family

ID=47115986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12780744.4A Withdrawn EP2790973A1 (fr) 2011-12-15 2012-11-02 Dispositif de balai d'essuie-glace et procédé pour produire un dispositif de balai d'essuie-glace

Country Status (4)

Country Link
EP (1) EP2790973A1 (fr)
CN (1) CN103974860B (fr)
DE (1) DE102011088750A1 (fr)
WO (1) WO2013087289A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107023559B (zh) * 2016-01-29 2021-10-15 罗伯特·博世有限公司 用于球活节的球形窝
DE102019210730A1 (de) * 2019-07-19 2021-01-21 Robert Bosch Gmbh Wischblatt, insbesondere für eine Scheibe eines Kraftfahrzeugs

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5208939A (en) * 1990-01-19 1993-05-11 Valeo Systemes D'essuyage Windshield wiper blade and a wiping strip with stiffening element therefor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031709A (en) * 1956-04-24 1962-05-01 Gen Motors Corp Windshield wiper blade
DE3337815A1 (de) * 1983-07-19 1985-03-28 Trant, Johanna, 5630 Remscheid "scheibenwischer" fuer waschanlagen an kraftfahrzeugen und schienenfahrzeugen
FR2705299B1 (fr) * 1993-05-17 1995-07-07 Valeo Systemes Dessuyage Lame d'essuie-glace à deux pièces coextrudées et balai d'essuie-glace équipé d'une telle lame.
FR2705632B1 (fr) * 1993-05-25 1995-07-07 Renault Balai d'essuie vitre.
FR2732290B1 (fr) * 1995-03-31 1997-04-25 Valeo Systemes Dessuyage Balai d'essuie-glace comportant des moyens perfectionnes d'articulation de la raclette d'essuyage
DE10207706A1 (de) * 2002-02-22 2003-09-04 Bosch Gmbh Robert Wischblatt zum Reinigen von Scheiben insbesondere von Kraftfahrzeugen
FR2918025B1 (fr) * 2007-06-28 2009-10-23 Valeo Systemes Dessuyage Balai d'essuie-glace dont la lame comporte un talon mobile dans l'element structurel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5208939A (en) * 1990-01-19 1993-05-11 Valeo Systemes D'essuyage Windshield wiper blade and a wiping strip with stiffening element therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013087289A1 *

Also Published As

Publication number Publication date
CN103974860A (zh) 2014-08-06
DE102011088750A1 (de) 2013-06-20
CN103974860B (zh) 2019-02-01
WO2013087289A1 (fr) 2013-06-20

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