• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Wiper blade (10) comprising a head bar (12) and a wiper blade (16) connected to the bar via a tilting spacer (14), the blade body of wiper comprising a wiping lip (18) and a wedge-shaped shoulder (20) in the longitudinal direction directed towards the spacer (14), and connected to the tilting spacer (14). The tilting spacer (14) is connected directly to the head bar (12), and stiffeners (36, 38) are housed in the gaps between the head bar (12) and the wedge-shaped shoulder ( 20), laterally with respect to the tilting spacer (14). In the extension of the flanks (22) of the wedge-shaped shoulder (20), sealing lips (24, 26) have a length dimensioned to be permanently in contact with the stiffeners (36, 38), in the installed state of the wiper blade (10) and during a wiping motion.
    公开号:BE1018425A3
    申请号:E2006/0590
    申请日:2006-12-01
    公开日:2010-11-09
    发明作者:Christian Wilms；Paul Wynen；Wim Buseyne
    申请人:Bosch Gmbh Robert；
    IPC主号:
    专利说明:

    "Wiper blade"
    Field of the invention
    The present invention relates to a windshield wiper blade including a wiper blade comprising a head bar and a wiper blade body connected to the bar via a tilting spacer, the body the wiper lamination having a wiper lip and a wedge-shaped shoulder in the longitudinal direction directed and connected to the tilting brace.
    State of the art
    According to the document EP 0 743 231 A1, there is known a wiper blade of a motor vehicle. This blade comprises a body connected to a headband by a tilting spacer. This slab has longitudinal, lateral grooves receiving rays. The upper flanks of the longitudinal grooves constitute the rear spacer of the head bar. It is connected by a gap between the longitudinal grooves at the lower part of the head bar forming the lower flanks longitudinal grooves. The tilting spacer is connected by another spacer to stiffening spars which bear against the other headbars when tilting the wiper blade during the wiping movement to a large side of the blade. wiping as the other long side of the wiper blade, the distance from the remaining portion of the head bar increases. The wiper blade has a wiper lip resting against the glass or windshield during operation. There is further provided a wedge-shaped shoulder connected to the tilting spacer so that a portion of the wedge-shaped shoulder protrudes from both sides of the tilting brace. The portion of the wedge-shaped shoulder is supported during the wiping movement against the scraping blade corres¬pondante when tilting the wiper blade.
    To reduce the tipping noises of the wiper blade and to dampen them, certain embodiments of the wiper blade include at the outer edges of the nose-shaped shoulder or scraping struts, the lips extending on their length and which in neutral central position have a predetermined play compared to the opposite surface, but lean against the anta¬gonist surface during the tilting. This avoids a stop shock of the wedge-shaped shoulder against the strut or struts scraper against the remaining portion of the head bar. Such wipers are suitable both for wiper blades equipped with a rudder system or flat wiper blades whose stiffeners are support elements.
    Description and advantages of the invention
    According to the invention, the tilting spacer joins di¬rectement the head bar and the stiffeners are housed in the intermediate space between the head bar and the wedge-shaped shoulders. In the extension of the flanks of the wedge-shaped shoulder there are sealing lips whose length is dimen¬sionnée so that in the pre-assembled state of the wiper blade and during a wiping movement, they are in constant contact with the stiffeners.
    In the wiper blade according to the invention, the longitudinal grooves, numerous, usual, are removed, grooves in which, especially in winter, accumulates water, ice or dirt and does not allow the correct tilting of the brasd'essuyage. It is furthermore prevented that the water, ice or dirt accumulated in the longitudinal grooves are not projected during the subsequent wiping movements on the already cleaned surface of the windscreen and thus require several wiping movements for net. Completely clean the windshield.
    In addition, in the case of the wiper blade according to the invention, between the wedge-shaped shoulder of the wiper blade and the stiffeners there is a gap protected laterally by the sealing lips so that neither Water, ice and dirt can not accumulate. The wiping lips are permanently encontact with the stiffeners during the wiping motion.
    When changing the wiping direction to the wiper blade reversing position, the wiper blade swings in the opposite direction. Thus, the sealing lips change their position relative to the stiffeners without losing the contact. The sealing lip located upstream in the wiping direction sees the angle increase between the stiffener and the sealing lip, while for the other sealing member the angle decreases correspondingly. In addition, the front surface of the sealing lip located upstream in the wiping direction will be located more inwardly in the direction transverse to the stiffener while the other sealing lip will move correspondingly towards the wiper. 'outside. Thus, this sealing lipreflows outward water, ice or dirt attached to stiffeners. The small angle between the wiper lip and the stiffener means that it is relatively rigid in its directions, which makes it possible to exert greater forces to remove strong¬ hanging residues. The sealing lip located upstream, in the wiping direction, undergoes only reduced efforts because it has exerted only a sealing function. The function of the sealing lips depends on the properties of the materials and the prestressing with which the sealing lips are applied against the stiffeners. The prestressing itself depends on the thickness and the excess length of the sealing lips which exert an effect of spacing the sealing lips in neutral position and thus ensure prestressing.
    In principle, the sealing lips can be made in the same material as the other parts of the wiper blade. However, according to a development of the invention, the sealing lips are made of a material that is harder than the other parts of the wiper blade. wiper blade and are connected thereto by extrusion, coextrusion, injection or compression. As a material for the wiping lips, chloroprene rubber, polyethylene, polytetrafluoroethylene or a blending copolymer is contemplated, for example. The harder materials allow the sealing lips to also remove the residues firmly attached to the stiffeners.
    To facilitate the tilting of the wiper blade it is advantageous that for a tilting movement of the wiper lamination, one of the lower faces of the head bar rolls on the upper surface of the associated respective elastic rail. Thus, the tilting brace will have to deform only minimally and frictional forces at the upper face of the elastic rails and the underside of the headbar are reduced to a minimum.
    Advantageously, the lower face forms with the upper surface of the stiffeners an acute angle which decreases when the wiper blade is turned on a large side of the debonding spacer while on the other side this angle increases. For the interval between the headband and the stiffeners does not clutter dirt, ice or snow, it is advantageous that the wiper blade equipped with a wiper blade according to the invention comprises a deflector or sheath fixed to the stiffeners and thus covering the barrette de tête.
    drawings
    The present invention will be described hereinafter in greater detail with the aid of exemplary embodiments shown in the appended drawings in which: FIG. 1 is a section of a wiper blade according to the invention before the introduction of the stiffeners, - Figure 2 is a section of Figure 1 showing the stiffeners misen place, the assembly occupying a median position, - Figure 3 is a section of a windscreen wiper blade in a seated position, - FIG. 4 is a section of a windscreen wiper blade positioned in the opposite direction to that of FIG. 3; FIG. 5 shows a section of a windscreen wiper blade equipped with a wiper blade according to the invention and a deflector, and - Figure 6 shows a variant of Figure 5 having a sheath instead of the deflector.
    Description of the embodiment
    Figure 1 shows a windscreen wiper blade 10 before the stiffeners 36, 38 serving as support elements of a wiper b nonlai not detailed and corresponding to a flat structure. The position of the stiffeners 36, 38 is shown in broken lines in Figure 1.
    The wiper blade 10 comprises a head bar 12 to which is connected a tilting spacer 14 connecting the head bar 12 to a wiper blade 16. This blade consists of a wiper blade 18 joining the tilting spacer 14 by a wedge-shaped shoulder 20. In the extension of the flanks 22 of the wedge-shaped shoulder 20 there are sealing lips 24, 26. The length of the sealing lips is defined to that in the installed state of the wiper blade 16 and during a wiping movement, these lips are permanently in contact with the stiffeners 36, 38. Thus, the blade wiper 10 is held against the stiffeners 36, 38 by the head lug 12 and the sealing lips 24, 26.
    When assembling the stiffeners 36, 38 the sealing lips 24, 26 are deformed elastically, slightly outwards; and the lips come to bear with a prestress desired by the arê¬tes 44, 48 of their end surfaces 46, 50 against the underside of the stiffeners 36, 38. During a wiping movement in the direc¬tion of wiping 54, the wiper blade 16 tilts in the op¬posed direction (Figure 3, Figure 4). The angle φ included between the inner side 32,34 of the sealing lips 24, 26 which are located upstream in the wiping direction 24, increases, whereas the angle φ of the sealing lip 24, 26 located downstream in the wiping direction 54, di¬minue. At the same time, the front surface 46, 50 or the edges 44, 48apply against the stiffeners 36, 38, transversely to the stiffeners 36, 38; thus, the sealing lip 24, 26 located upstream in the wiping means 54 applies towards the inside and the sealing lip 24, 26 situated downstream in the wiping direction 54 moves outwards. During the outward movement, the edge 46, 48 evacuates water, laglace or dirt from the underside of the stiffeners 36, 38. The other sealing member 24, 26 protects the closed volume to prevent the Water or dirt can not enter. Thus, the operating security of the wiper blade 10 is maintained even under unfavorable operating conditions.
    The sealing lips 24, 26 which join by their outer flanks 28, 30 level, the flanks 22 of the wedge-shaped shoulder 20, preferably have a thickness of the order of 1 mm to 2 mm.Ces lips can They are made of the same material as the other parts of the wiping blade 10. However, for difficult applications it is advantageous for the material of the sealing lips 24, 26 to be harder than the material of the other parts of the wiper blade. wiping 10.The sealing lips 24, 26 can be connected to the other parts of the wiper blade 10 by extrusion, coextrusion, injection or com¬pression. As the material is considered in particular a chloroprene rubber, polyethylene, polytetrafluoroethylene or a copoly-meritate mixture.
    As the angle φ of the sealing lip 24, 26 which slides towards the outside is very small, the sealing lip 24, 26 remains practic¬cally parallel to the elastic rails 36, 38. In this direction, the lip is very rigid and works almost like a squeegee.
    The head bar 12 forms with its lower faces 40,42, on both sides of the tilting spacer 14, an acute angle with the opposite faces of the stiffeners 36, 38. This allows the lower faces 40, 42, during the drawdown of the wiper blade 16, unwind on the stiffener 36, 38 corresponding without generating significant force and generate wear. In order that the gap between the head lug 12 and the elastic rails 36, 38 does not become clogged with ice and snow, it is advantageous for the windscreen wiper blade 56 to be equipped with a blade. wiper 10 according to the invention is equi¬pé a deflector 58 or a sheath 60 féxé (e) stiffeners 36, 38opening the headbar 12.
    权利要求:
    Claims (8)
    [1]
    1) Wiper blade (10) having a head bar (12) and a wiper blade body (16) connected to the bar via a tilting spacer (14), wiper blade body having a wiping lip (18) and a wedge-shaped shoulder (20) in the longitudinal direction directed to the debonding spacer (14) and connected to the tilting spacer (14). ), characterized in that the tilting spacer (14) is connected directly to the head bar (12), and stiffeners (36, 38) are housed in the gaps between the head bar (12) and the wedge-shaped shoulder (20), laterally relative to the tilting spacer (14), and in the extension of the blanks (22) of the wedge-shaped shoulder (20), sealing lips (24); , 26) one of whose length is dimen¬sionnée to be permanently in contact with the stiffeners (36,38) lo when the windscreen wiper blade (10) is installed and during a wiping operation.
    [2]
    Windscreen wiper blade (10) according to claim 1, characterized in that, in case of tilting movement of the wiper blade body (16), one of the lower faces (40, 42) of the head web (12) rolls on the upper surface of the corresponding stiffener (36, 38).
    [3]
    3) Wiper blade (10) according to claim 2, characterized in that the lower faces (40, 42) of the head bar (12) make an angle ai¬gu (a) with the upper face stiffeners (36, 38), this angle decreasing when folding the body of the wiper blade (16) on a large side of the tilting spacer (14) while this angle aug¬mente on the other big side.
    [4]
    4) Wiper blade (10) according to claim 1, characterized in that in the neutral center position, the sealing lips (24, 26) form an angle (φ) with the underside of the stiffeners (36). , 38) so that the sealing lips (24, 26) are applied by the inner edges (44, 48) of their end faces (46, 50) against the stiffeners (36, 38) while during a tilting movement of the body of the wiper blade (16), the angle (φ) decreases on the side towards which the wiping lip (18) is inclined and increases on the other side.
    [5]
    5 °) blade wiper (10) according to claim 1, characterized in that the sealing lips (24, 26) are made of the same material qu'a remaining part of the wiper (10).
    [6]
    6. Wiper blade (10) according to claim 1, characterized in that the sealing lips (24, 26) are made of a material more hardque than the material of the other parts of the wiper blade. ice (10) and they are connected to the other parts of the wiper blade (10) by extru¬sion, co-extrusion, injection or compression.
    [7]
    7 °) wiper blade (10) according to claim 6, characterized in that the sealing lips (24, 26) are chloroprene rubber (CR), polyethylene (PE), polytetrafluoroethylene (PTFE) ) or a mixed copoly-merate.
    [8]
    8 °) Wiper blade (56) having a wiper blade (10) according to one of claims 1 to 7, characterized by a deflector (58) or sheath (60) féxé (e) the stiffeners (36, 38) opening the head bar (12).
    类似技术:
    公开号 | 公开日 | 专利标题
    BE1018425A3|2010-11-09|WIPER BLADE.
    EP1346874B1|2005-05-18|Mounting a lighting unit on vehicle bodypart
    FR2915150A1|2008-10-24|ENERGY ABSORPTION DEVICE FOR MOTOR VEHICLE SEAT, ASSEMBLY AND ASSEMBLY COMPRISING THE DEVICE
    EP1928711A1|2008-06-11|Improved windshield wiping strip and a wiper blade provided with said wiping strip
    FR2994917B1|2019-08-02|WIPER BLADE WIPER BLADE DEVICE
    EP1591330B1|2008-02-06|Wiper blade for windscreen wiper of a motor vehicle
    EP1884416A1|2008-02-06|Frame for the front block of an automobile vehicle.
    EP0875692B1|2001-11-14|Damping device
    FR2934829A1|2010-02-12|WIPING BLADE OF A WIPER INSTALLATION
    FR2919564A1|2009-02-06|VEHICLE BODY ASSEMBLY.
    FR3030412A1|2016-06-24|WIPER DEVICE
    FR2867738A1|2005-09-23|Windshield wiper blade for vehicle, has damping runners arranged with mutual offset, in interstices separated by respective tilting runners, where runners are molded in regions of respective runners
    FR3024693A1|2016-02-12|WIPER DEVICE
    FR2674488A1|1992-10-02|WIPER BLADE FOR WIPER BLADE, ESPECIALLY A MOTOR VEHICLE.
    EP1418099A1|2004-05-12|Wiper blade for windscreen wiper of a motor vehicle
    FR3007718B1|2019-09-20|WIPER BLADE BRUSH DEVICE AND WIPER BLADE THUS EQUIPPED
    WO2018192762A1|2018-10-25|Wiper blade element and longitudinal body for a windscreen wiper blade, and windscreen wiper blade comprising such a blade element and such a body
    FR2940363A1|2010-06-25|MOTOR BLOCK SEAL, IN PARTICULAR FOR THE MOUNTING OF A LOW RIGID COMPONENT ON THIS MOTOR BLOCK
    FR3014389A1|2015-06-12|VEHICLE ICE WIPER DEVICE
    FR3024696A1|2016-02-12|VEHICLE ICE WIPER DEVICE
    FR2937849A1|2010-05-07|Lavatory seat for lavatory bowl, has positive parts housed in negative housings for forming pivot articulation between bowl and seat, while assuring blocking of degrees of freedom of seat with respect to bowl
    FR3110124A1|2021-11-19|Device for fixing a first and a second part and packing assembly comprising such a device
    FR3092541A1|2020-08-14|Motor vehicle comprising a sole with an elastic member between the roof and a roof bar support
    FR2841831A1|2004-01-09|SUSPENSION FOR EXHAUST TUBING OF MOTOR VEHICLE AND VEHICLE EQUIPPED WITH SUCH SUSPENSION
    FR2941177A1|2010-07-23|Front door for motor vehicle, has frame including upper element with blade for creating aerodynamic force tending to push upper element of frame towards inside vehicle during movement of vehicle
    同族专利:
    公开号 | 公开日
    DE102005059432A1|2007-06-14|
    FR2894543A1|2007-06-15|
    JP2007161241A|2007-06-28|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE4230638A1|1992-09-12|1994-03-17|Daimler Benz Ag|Windscreen wiper blade and arm for vehicle wiper system - arm has claw-shaped sections which grip back profile of blade element|
    EP0743231A1|1995-05-17|1996-11-20|Valeo Systemes D'essuyage|Wiper blade rubber for a motor vehicle windscreen wiper|
    FR2919552B1|2007-07-30|2010-04-02|Valeo Systemes Dessuyage|WIPER BLADE FOR WIPER BLADE AND METHOD OF MANUFACTURING SUCH BLADE|
    DE102007045253B4|2007-09-21|2019-01-17|Volkswagen Ag|Wiper blade with a rubber-elastic wiper strip for a windshield wiper on a motor vehicle|
    FR2923787B1|2007-11-19|2019-04-12|Valeo Systemes D'essuyage|WIPER BLADE FOR WIPER BLADE.|
    WO2014177219A1|2013-05-02|2014-11-06|Federal-Mogul S.A.|A windscreen wiper device|
    DE102017221299A1|2017-11-28|2019-05-29|Robert Bosch Gmbh|Wiper strip for a wiper blade|
    法律状态:
    2011-06-30| RE| Patent lapsed|Effective date: 20101231 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102005059432|2005-12-13|
    DE200510059432|DE102005059432A1|2005-12-13|2005-12-13|Wiping elastic strap for windshield wiper of motor vehicle, has sealing lip whose length is measured such that lip is in contact with spring bar, in mounted condition of strap and during wiping movement|
    [返回顶部]