FR3024114A1 - WIPER DEVICE - Google Patents

Abstract

A vehicle windscreen wiper device (100) having a fastening element (50), a wiper blade (2) having an at least partially elongate, at least partially flexible upper portion (10), a lower portion ( 12) elongate, at least partially flexible, - a plurality of connecting elements (18) connecting the upper part (10) and the lower part (12) being spread apart in the direction of longitudinal extension (8) of the wiper blade -glace and allowing the relative movement of the upper part (10) and the lower part (12) relative to each other with a component of movements in the direction of longitudinal extension (8) of the broom of wiper (2), the connecting elements (18) having a thickness substantially greater than or equal to 0.4 millimeters, wiper device characterized in that it comprises - a fastening piece on the side of the wiper blade -glace (20) provided with a locking element (24) into which is introduced the fastening element (50) with which it forms a connection by force and / or shape.

Description

FIELD OF THE INVENTION The present invention relates to a vehicle windscreen wiper device comprising a fastening element, a wiper blade having an elongated upper portion, at least partially flexible, an elongated lower portion, at least partially flexible, several connecting elements connecting the upper part and the lower part being spread apart in the direction of longitudinal extension of the wiper blade and allowing the relative movement of the upper part and the lower part l relative to one another with a movement component in the longitudinal extension direction of the wiper blade, the connecting elements having a thickness of substantially greater than or equal to 0.4 millimeters. State of the art Typically, the wiper devices have an arm or a lever carrying a wiper blade driven on the glass to be cleaned. The wiper blade moves between a first inverting position and a second inverting position by being driven by the wiper motor through the drive shaft. In windshields with large variations in curvature, in particular, the windscreen wiper blade may easily lose contact with the windshield, so that for large curvatures there will be unwicked areas. or the formation of sails. Since wiping requires the optimization of a large number of parameters, such as, for example, the amount of rain entering the window or the possible snow load on the window, the speed of the vehicle and the thrust of the wind. thus exerting on the wiper arm make it not easy to avoid sail development by simply adapting the thrust of the wiper arm to the windshield. It is, in these conditions, necessary to perfect the wiper devices. However, in order to improve, a large number of marginal conditions must also be taken into account, among which the manufacturing cost or material cost and also the properties of the windscreen wiper device, in particular the operation under a variety of external conditions. and longevity under such conditions.

3024114 2 Usually used wiper blades are subject to wear that deteriorates the wiping quality. In addition, the exposed position of the wiper devices on the windshield and the rear window means that, in particular, when the washing facilities pass through, the windscreen wiper device may be damaged or even broken off. In these cases, it is necessary to replace the wiper device worn or damaged which is a relatively complicated operation because of the connections screwed with the drive shaft. OBJECT OF THE INVENTION The object of the present invention is therefore to develop a wiper device which makes it possible to remedy at least some of the disadvantages set out above. DESCRIPTION AND ADVANTAGES OF THE INVENTION To this end, the subject of the invention is a windscreen wiper device of the type defined above, characterized in that it comprises a piece of attachment on the side of the windscreen wiper blade. provided with a locking element in which the fastening element is inserted with which it forms a connection by force and / or by the form. In other words, the subject of the invention is a vehicle wiper device 20, in particular a motor vehicle, comprising a fastener element. The wiper device comprises a wiper blade formed of an elongated upper portion and an elongated lower portion. These two parts are at least partially flexible. They are connected by a plurality of connecting members which are distributed in the longitudinal extension direction of the windscreen wiper blade and permit the relative movement of the upper part and the lower part with a movement component. in the direction of longitudinal extension of the wiper blade. The windscreen wiper blade further includes a windscreen wiper blade attachment piece. This fastener has a locking member into which the fastener can be inserted to effect a connection by force and / or shape with the fastener. According to a further development, a subject of the invention is a method of mounting a windshield wiper device which comprises using a windshield wiper device as described above and using a windshield wiper device as described above. fastening piece on the wiper blade side for fastening said fastener part to the fastening element by making a connection by force and / or shape between the fastening element and the locking element. The windscreen wiper device as described above and its method of assembly generally permit simple assembly and disassembly of the windscreen wiper device. The windscreen wiper device, which is preferably of the Fin-Ray type, is mounted by a single movement (clipping motion) on the fastening element which is, for example, the drive shaft of the wiper device. ice cream. The wiper device 10 can thus simply be replaced in case it is damaged or disassembled before going into a washing tunnel and then simply reinstalled. According to the invention, the locking element comprises an opening in which the fastening element is introduced, which allows, by a single movement, namely the insertion of the locking element into the locking element. opening, making a connection by force and / or by the form blocking the wiper blade on the mounting element. According to the embodiments of the invention which can be combined with other embodiments, the size of the opening is variable, which makes it possible to use the windscreen wiper device in combination with different types of fixing elements. According to developments of the invention which can be combined with other embodiments, the peripheral zones of the opening are designed to form a connection by the shape and / or force with the fastening element, which This is a simple way of making this connection between the blocking element and the fastening element or of opening this connection in a simple way, for example by changing the size of the opening. According to developments of the invention which can be combined with other embodiments, the windscreen wiper blade attachment has an actuator for releasing the connection by force and / or shape. , which facilitates the assembly and disassembly of the wiper blade.

According to a development, the actuating device, operated, makes it possible to modify the dimension of the opening to simply mount or dismount the wiper blade. According to another characteristic, the locking element is U-shaped, which corresponds to a simple and economical manufacture of the windscreen wiper device. According to another feature which can be combined with other embodiments described, the actuating device is introduced between the two open ends of the U-shaped locking element which makes it possible to simply release the connection by strength and / or form. According to developments, the locking element is a fixing spring which corresponds to a simple and economical manufacture of the wiper device.

According to developments, the locking element penetrates into a cavity of the fastener element to effect the connection by force and / or by the form forming a wiper device which makes it possible to fix the position in a stable manner. the windscreen wiper blade attachment piece with respect to the mounting element.

The present invention will be described hereinafter in more detail with the aid of examples of windscreen wiper devices shown in the accompanying drawings, in which: FIG. 1 is a diagrammatic representation of a mode of operation. According to the invention, in a non-fixed state, FIG. 2 is a schematic representation of the embodiment of the windscreen wiper device of FIG. FIG. 3 is a perspective view of the fastening element according to an embodiment of the invention, FIGS. 4A, 4B are top views of a locking element according to the invention. Fig. 5 is a perspective view of an embodiment of the windscreen wiper device mounted on the fastener, Fig. 6 is a schematic view of another embodiment of the present invention. a wiper device according to the invention in the form of an arm With the wiper blade incorporating a wiper blade, the assembly being shown in a basic position, FIG. 7 is a schematic representation of the windscreen wiper arm incorporating the wiper blade of FIG. 6 in its position against a window and FIG. 8 shows a very simplified flow chart of an embodiment of the method of mounting a windscreen wiper device 10 according to the invention. DESCRIPTION OF EMBODIMENTS FIGS. 1 and 2 show a wiper device 100 according to an embodiment of the invention shown diagrammatically. Figure 1 shows the wiper device 100 in the unset state and Figure 2 shows the wiper device 100 of Figure 1 in the installed state. According to the invention, the windscreen wiper device 100 has a Fin-Ray structure and a windscreen wiper blade attachment piece 20 provided with a locking element.

According to the invention, the windscreen wiper device 100 comprises a windscreen wiper blade 2 with an elongate upper portion and an elongated lower portion 12, both portions being at least partially flexible. Several connecting elements 18 connect the upper part 10 and the lower part 12. The connecting elements 18 are spaced apart in the direction of longitudinal extension 8 of the wiper device 100. The connecting elements 18 the relative movement of the upper part 10 and the lower part 12 with a component of movements in the direction of longitudinal extension 8 of the wiper device 100.

According to the features of the invention which can be combined with other embodiments, the wiper blade 2 comprises a wiper blade side fastener 20. This fastener 20 comprises an element blocking in which is introduced the fixing element 50 of the vehicle. The locking element forms a force and / or shape connection with the fastening element 50.

According to the invention, the connection by force is a connection formed by the transmission of a force (for example a connection by force, a frictional connection). In particular, such connections use pressure and / or friction forces. The maintenance of the connections is ensured by the applied force. According to the invention, the binding by the form is a bond made by the interpenetration of at least two elements (binding by the form). In particular, the elements can be released without transmission of force or when the transmission of force is cut off.

As shown by way of example, FIGS. 1 and 2, the windscreen wiper blade attachment member 20 according to the embodiments of the windshield wiper device 100 that can be combined with other modes. embodiment is connected to a fastener 50 is attached thereto. The fastening element 50 is inserted into the locking element of the windscreen wiper blade attachment piece 20 as indicated by the arrow 5 in FIG. 1. According to the characteristic embodiments, the blocking element is provided on the fastener side wiper blade 20 or is integrated in this piece. The locking element forms a force and / or shape connection with the fastening element 50 to integrally connect the windscreen wiper blade attachment member 20 to the vehicle fastening element 50. There is thus a windscreen wiper device 100 which stably fixes the position of the windscreen wiper blade attachment piece 20 relative to the fastener element 50.

According to developments of the invention, the locking element has an opening receiving the fastening element 50. Typically, the dimension of the opening is variable or can be varied. For example, the opening is modified by the actuating device 21 (release button). According to embodiments of the invention, the periphery of the opening makes a connection by force and / or shape with the fastening element 50. This allows a simple connection to be made by the and / or by the shape between the locking member and the fixing member 50 or releasing this connection again, for example by changing the size of the opening.

According to the embodiments of the invention that can be combined with other embodiments, the wiper blade side attachment member 20 further includes the actuator 21 for releasing the connection by the strength and / or form. The actuating device 21 comprises a push button or an actuating element. The user can thus push the actuating device 21 to release the connection by force and / or by the shape and make it possible to disassemble the wiper device 100 or to remove it from the attachment piece 50. The wiper device 100 can thus be replaced very simply if it is damaged or disassembled before passing through a washing tunnel, and then reinstalled just as easily. According to the embodiments, the actuating element 21 is a push-button provided on the side, for example, as shown in FIG. 1 on the rear side or also on the top of the wiper device. ice, that is to say on the side not turned towards the glass. According to other variants, there are two push buttons constitute the actuating device 21 for example on the two opposite sides of the fastener 20.

According to embodiments of the invention which can be combined with other embodiments, the actuator 21 is adapted to allow mounting of the wiper device 100 on the fastener 50. For example, the blocking element may be opened or released by actuation of the actuating device 21 to allow insertion of the fixing element 50. In particular, the introduction can be done during the operation of the device. 21. After insertion, the device 21 is stopped from being actuated or released (for example by releasing the push button or the key), which then makes the connection by force and / or by the form. . Correspondingly, the windscreen wiper device 100 can be replaced simply if it is damaged or be removed before going into a washing tunnel to be reassembled just at the exit of the tunnel.

Figure 3 is a front view of the attachment member 50 belonging to the vehicle and corresponding to an embodiment of the invention. According to the embodiments of the invention which can be combined with other embodiments, the fastener 50 is the drive shaft of the wiper device 100. As shown, 3, the fastening element 50 has a cavity or a notch 51. The locking element of the fastening device 100 penetrates into the cavity or notch 51 of the fastener element in order to make the connection by strength and / or form. The exemplary fastener 50 in FIG. 3 further includes a conically shaped area 52. The conically shaped area is formed above the cavity 51 to allow insertion of the fastening element in the locking element of the wiper blade device 100. According to the embodiments of the invention which can be combined with other embodiments, the fastening element 50 constitutes the interface for transmitting the torque to the windscreen wiper arm (reference 53), for axial locking by the fixing spring (cavity 51) and / or for axial guiding with the windscreen wiper arm ( reference 54). According to the embodiments of the invention which can be combined with other embodiments, the locking element 22 which is for example a holding or fixing spring is integrated or overmolded in the wiper blade. The wiper is engaged in the axial direction on the shaft forming the bearing. According to the characteristic embodiments, this fixing movement is a translation movement. For example, when engaged on the axis, the spring relaxes and clings into the cavity (interface) 51. Torque transmission is provided by the interface 53. Typically, the interface 53 limits the radial freedom of movement or axial play. Figures 4A and 4B show plan views of a blocking member 22 in accordance with one embodiment of the invention.

Depending on the features that can be combined with other embodiments, the locking element 22 has the opening 23 which receives the fastening element 50. The opening 23 typically has a variable dimension or which can be modified. The locking element 22 shown by way of example in FIG. 4A has a U shape. The U-shaped locking element 22 has a closed end 24 and two open ends 25. In the zone between the end closed 24 and the open ends 25, the distance of the two limbs of the U-shaped shape thus constituting the opening 23. According to the characteristic embodiments, the opening 23 has a circular or oval shape. In particular, the two branches of the U-shaped locking element 22 provide the opening 23 of circular or oval shape.

According to features of the invention, the actuating device 21 is introduced between the two open ends 25 of the U-shaped locking element 22, as shown by way of example in FIG. 4B. The open ends 25 may be of flared shape to facilitate the introduction of the actuating device 21. As shown by way of example in FIG. 4B, the actuating device 21 makes it possible to widen the U-shape of the In particular, the opening may be widened by the actuating device 21 to introduce the fastening element 50. According to the characteristic embodiments, the actuation is again released after the introduction for effecting force and / or shape bonding between the locking member 22 and the fastener 50. In accordance with the embodiments of the invention which can be combined with In other embodiments, the locking element 22 is a holding spring, which corresponds to a simple and economical embodiment of this locking element 22. According to FIG. 3, the fixing element 50 is a cavity or notch 51 The element block 22 penetrates into the cavity or notch 51 of the fastener 50 to effect bonding by force and / or shape. With reference to FIGS. 4A and 4B, the peripheral zone of the opening 23 makes the connection by force and / or shape with the fastening element 50. In a characteristic manner, the peripheral zone or the periphery of the opening 23 penetrates into the cavity 51 of the fastener 50 to effect bonding by force and / or shape. In this way, the connection between the blocking element 22 and the fastening element 50 is easily and forcefully and / or form-connected. This connection opens again, for example by enlarging the opening 23.

Typically, the diameter of the unassembled aperture 23 of the wiper device 100 is smaller than the maximum diameter of the conical shaped area 52 (the lower end of the conical shaped area 52 of the Figure 3) of the fastener 50 and may be larger than the minimum diameter of the conical shaped area 52 (upper end of the conical shaped area 52 in Figure 3). When the windscreen wiper device 100 is fitted, the conical shaped zone 52 of the fastening element 50 is introduced into the aperture 23 and this opening widens as the introduction progresses. When reaching the upper end of the conical-shaped zone 52, the peripheral zone of the opening returns into the cavity 51 by the elastic force exerted by the U-shape or penetrates into it so that the element In particular, the locking device 22 forms the form connection with the fastening element 50. The resilient return force of the locking element 22 additionally provides a connection by force, thereby enabling in a simple manner, a force and / or shape connection between the locking member 22 and the fixing member 50. According to the embodiments of the invention which can be combined with other modes of embodiment, the locking element 22 which is here for example a holding spring, is integrally integrated in the windscreen wiper blade or in the attachment piece on the wiper blade side 20 or it is overmolded. The windscreen wiper is axially engaged with the shaft so that the spring moves apart and then hooks into the cavity (interface 51). Torque transmission is provided by interface 53 (FIG. 3). According to the characteristic embodiments, the interface 54 limits the radial freedom of movement or radial clearance. FIG. 5 shows a schematic view of the windscreen wiper device 100 according to embodiments of the invention in the state 5 mounted on the fastening element 50. According to FIG. wiper 20 is engaged on the fastener 50 which may be the end of the drive shaft. The locking member 22 penetrates the cavity of the fastener 50 to at least formally bond with the fastener 50. The actuator 21 is provided on the broom side end of the fastener 50. wiper 20 to release the connection by the force and / or shape of the locking member 22 relative to the fixing member 50. Thus, according to the embodiments described above, there is a Wiper device that mounts and dismounts itself. The wiper device can thus be replaced simply if it is damaged or removed before the passage in a washing installation and be installed again just as easily at the output of the installation.

Exemplary embodiments of the wiper system will be described hereinafter using the advantageous windscreen wiper device according to the invention. In principle, however, the fixing device described can be applied to any other windscreen wiper device. FIGS. 6 and 7 are diagrammatic views of a wiper blade 2 in its basic position (FIG. 6) and in its position against a window pane 4 (FIG. 7) according to the embodiments of the device of FIG. wiper 100 of the invention. The wiper blade 2 wipes the window 4 of the vehicle such as a motor vehicle and in particular a passenger vehicle. Usually, the wiper blade 30 is installed on a wiper arm driven by a motor for the wiping motion. For this, the wiper blade 2 has a fastener to be connected to the wiper arm. The wiper blade 2 is in its basic position in FIG. 6; in this position it is at least partially raised relative to the window 4 (windshield). The wiper blade 2 has a longitudinal extension 8 and consists of an elongated upper portion 10 and a lower elongated portion 12 as well. The longitudinal extension of the upper part 10 and the lower part 12 corresponds essentially to the direction of longitudinal extension 8 of the wiper blade 2.

Both the upper part 10 and the lower part 12 are flexible beams or are feasible in the form of flexible beams which, however, according to Figures 6 and 7 are in one piece. This allows a solid construction. It is also possible that only a fraction of the upper part 10 and / or the lower part 12 is flexible. In addition and alternatively, it is possible to make the upper part 10 in several segments. According to some embodiments which can be combined with other embodiments, a material with a modulus of elasticity in the range of 0.005 kN / mm 2 is used for the upper part 10 and / or the lower part 12. and 0.5 kN / mm 2 and in particular between 0.01 kN / mm 2 and 0.1 kN / mm 2. This allows for an upper portion 10 and a lower portion 12 providing the appropriate flexibility. In combination with a suitably shaped cross-sectional area for the upper portion 10 and the lower portion 12 there will be optimal flexibility. The upper part 10 and the lower part 12 face each other. The end of the upper part 10 is connected to the outer connection position 34 with the end of the lower part 12 by a solidary connection whereas, moreover, the upper part 10 and the lower part 12 are separated from each other. the other.

The upper part 10 and the lower part 12 are connected by connection elements 18. In particular, in the basic position of the wiper blade 2, these connecting elements are oriented substantially transversely to the direction of the wiper blade. longitudinal extension 8 of the wiper blade 2. The connecting elements 18 are connected by rotation joints 19 to the large inner faces facing each other of the upper part 10 and the lower part 12. The rotation joints 19 are constituted here by hinges. In particular, the rotation joints 10 are hinge films. This solution is particularly advantageous especially if the upper part 10, the lower part 12 and / or the connecting elements 18 are made of a plastic material or are coated with a suitable plastics material. According to the described embodiments which can be combined with other embodiments, the rotation joint is selected from the group consisting of: hinge, film-hinge, decrease in the thickness of the material to have a lesser rigidity along a torsion axis, articulation with an axis of rotation, means of connection between the upper part and the connecting element or to connect the lower part to the connecting element and which allows the sliding of the lower part with respect to the upper part in the direction of longitudinal extension, etc. Embodiments in which the hinge is a hinge film are thus a simple solution for Fin-Ray wiper blade joints. The windscreen wiper blade 15 can be made in a single fastener part, in particular that can be used as soon as it leaves the machine. According to the characteristic embodiments, the windscreen wiper device, in particular the wiper blade is made of one or more materials of the group comprising: TPE (thermoplastic elastomer), for example TPE-S, TPE-O, TPE-U, TPE-20A, TPE-V and TPE-E. The film-hinges have a great extensibility obtained for example by the choice of material in the group PP, PE, POM and PA. Alternatively, the hinge films may be made of one or more materials of a group comprising TPE (thermoplastic elastomer, eg TPE-5, TPE-O, TPE-U, TPE-A, TPE-V and TPE-E The connecting elements 18 are spaced apart from one another in the direction of longitudinal extension of the wiper blade 2. The gaps between each time two adjacent connecting elements 18 are equal, but they can also be The gaps or gaps are advantageously less than 50 mm, in particular less than 30 mm, which gives the wiper device particularly high flexibility, especially at its lower part and a good adaptation to the curvature and to the variations of curvature of the window to be wiped.

The connecting elements 18 are fixed to the lower part 12 so that, in particular in the basic position of the wiper blade 2, their longitudinal axis makes an angle 26 with respect to the lower part 12 and that this angle is between 65 ° and 115 °, especially between 75 ° and 105 °. In a particularly advantageous manner, the angle is between 80 ° and 100 °. This solution advantageously ensures a particularly good transmission of the force exerted on the lower part towards the upper part. In addition, this makes it possible to have a wiper device that is particularly strong and stable. The same remark applies to the fixing of the connecting elements 18 to the upper part 10. The gaps between the upper part 10 and the lower part 12 are fixed by the length of the connecting elements 18. These lengths increase to from the outer link position to where the wiper blade 20 attachment piece begins, so that in side view, the upper portion 10 and the lower portion 12 show a shape of corner for the wiper blade 2 of Figure 6. The connecting elements 18 are rigid folding. FIG. 7 is a schematic representation of the windscreen wiper 2 of FIG. 6 in its position against the window 4. Since the window 4 has a curvature, when the wiper blade 2 is applied against the 4, contact forces are exerted on the lower part 12. As the upper part 10 and the lower part 12 are flexible beams and the connecting elements 18 are rotatably connected to the upper part 10 and the part lower 12, these two parts can slide relative to each other. The thrust forces exerted from below on the upper part 12 cause the wiper blade 2 to bend in the direction from which the thrusts come and it precisely matches the curvature of the window pane 4.

Under the effect of a force exerted on the lower part (by the window 4) the construction of the embodiments described above bends the lower part in the direction of the force. This results from the connection between the upper part 10 and the lower part 12 at the external connection position 14 and / or 16 and the shape and articulations of rotation at the connection between the connecting elements and the part upper or lower part. In the representation of FIG. 7, between the windshield wiper 2 and the window 4, there remains a slight gap which serves only in the drawing to clarify the window 4 and the wiper blade. ice 2 when in fact the wiper blade 2 is tightly applied against the window 4 and this gap does not exist. In addition, and typically, the lower side of the lower portion 12, opposite the upper portion 10 has a wiper lip for wiping the window 4.

For reasons of legibility of the drawing, this lip is not shown in FIGS. 6 and 7. A wiper device as described above uses the effect of the caudal fins of certain fish which, under a pressure The lateral direction does not escape in the direction of the thrust, but takes a domed shape in the opposite direction, i.e. in the direction from which the thrust comes. This principle is called the principle of radiated fins or Fin-Ray principle. The windscreen wiper device according to the invention thus has the advantage of better adapting to the window of the vehicle whereas a conventional windscreen wiper device whose upper part 20 is generally rigid does not make it possible to have this bending effect. Figures 6 and 7 show a wiper blade 2 having a longitudinal extension 8. The wiper device has only a connecting position 34. Such a wiper blade structure is frequently used as a rear window wiper blade. But the invention is not limited to rear window wipers and the wiper device according to the embodiments described herein can also be applied to wiping the windshield. Optional developments and details as described in the embodiments can be used generally for both variants of a windshield wiper device. FIGS. 6 and 7 also show the windscreen wiper blade attachment piece 20 provided with the windscreen wiper blade 2. The windscreen wiper blade attachment piece 20 is connected to the windscreen wiper motor. The attachment piece 30 may be like the embodiments of the present invention. The wiper motor 32 is connected to the attachment member 50. The wiper blade 2 is wedge-shaped with an end of the upper portion 10 at an outer connection position 54 with the end of the lower part 12 being connected by an integral connection. The respective other end of the upper part 10 and the lower part 12 is fixed to the wiper blade side attachment 20. FIG. 6 shows the wiper blade 2 in its position. not applied against the window so that its lower portion 12 is substantially straight. According to other embodiments which can be combined with other embodiments, the lower part in the unsolicited state has a convex shape; its domed part deviates from the upper part in the central zone. The wiper device according to the described embodiments may come into characteristic contact with the pane from the convex shape of its lower part to subsequently assume a concave shape which follows the pane. FIG. 8 shows a very simplified flowchart for illustrating the embodiments of the method of mounting a wiper blade device 100. According to the description, the method 200 comprises a step 201 of using a windscreen wiper device according to the embodiments described above as well as a step 202 of attaching the attachment piece on the wiper blade side to a fixing element by making the connection by force and / or in the form between the locking member and the fixing member. Thus, thanks to the embodiments described above of the windscreen wiper device and the method of mounting thereof, there is a wiper device which mounts and dismounts in a simple manner. Correspondingly, in case of damage, it is simple to replace the windscreen wiper device or the passage of a washing installation can be removed very simply and then reinstalled at the outlet of the washing installation. The connecting element 18 outside its rotation joint 19 has a thickness greater than or equal to 0.4 millimeters and in particular this thickness is less than 3 millimeters and preferably it is between 0.6 millimeters and 2 millimeters and ideally is between about 1 millimeter and 1.7 millimeter; it is for example in a very particular way equal to 1.5 millimeters. In addition, the connecting element 18 is substantially rigid in bending and folding, which means that movement of the upper part 10 and the lower part 12 relative to each other will be with a movement component in the longitudinal extension direction 8 of the wiper blade 2. The connecting elements are connected to the upper part 10 and to the respective upper connection position and to the lower part 12 at the low link position. The connecting positions are preferably each provided with a pivoting joint 19. When the upper part 10 and the lower part 12 move relative to each other, the distance between the high and the low for the same connecting element hardly change. This means that the distance remains constant at a distance, for example of ± 1 mm and in particular ± 0.3 mm.

20 5 10 15 20 25 3024114 18 NOMENCLATURE OF MAIN COMPONENTS 2 Wiper blade 4 Glass / windshield 5 Assembly boom 8 Longitudinal extension direction 10 Elongated upper section 12 Elongated lower section 18 Connecting element 19 Articulation rotation 20 Wiper blade attachment part 21 Release button 22 Locking element 23 Opening 24 End closed 25 End open 32 Wiper motor 34 Connection position 50 Fixing element 51 Cavity or notch 52 Area cone-shaped 53 Wiper arm / Interface 54 Interface 100 Wiper device 200 Wiper device mounting method 201, 202 Process steps 200 30

Claims (5)

CLAIMS 1) A vehicle wiper device (100) having a fastening element (50), a wiper blade (2) having an elongate upper part (10), at least partially flexible, at least partially flexible lower part (12), - a plurality of connecting elements (18) connecting the upper part (10) and the lower part (12), being spread apart in the direction of longitudinal extension (8) of the broom of the wiper and allowing the relative movement of the upper part (10) and the lower part (12) relative to each other with a component of movements in the direction of longitudinal extension (8). ) the wiper blade (2), the connecting elements (18) having a thickness substantially greater than or equal to 0.4 millimeter, wiper device characterized in that it comprises - a fastener Wiper blade side (20) with locking element (22) in which the fastening element (50) is introduced with which it forms a connection by force and / or shape. 2) Wiper device (100) according to claim 1, characterized in that the locking element (22) has an opening (23) into which the fastening element (50) is introduced. 3) Wiper device (100) according to claim 2, characterized in that the opening (23) is of variable size. 4) Wiper device (100) according to claim 2, characterized in that the periphery of the opening (23) forms a connection with the attachment element (50) by force and / or by the form. Windscreen wiper device (100) according to Claim 2, characterized in that the windscreen wiper blade attachment part (20) has an actuating device (21) for releasing the connection. by force and / or form. Windscreen wiper device (100) according to claim 5, characterized in that the actuating device (21) changes the size of the opening (23) when it is operated. Windscreen wiper device (100) according to claim 1, characterized in that the locking element (22) is U-shaped. 8) Wiper device (100) according to claim 7, characterized in that the actuating device (21) is inserted between two open ends of the U-shaped locking element (22). 9) Wiper device (100) according to claim 1, characterized in that the locking element (22) is a retaining spring. 10 °) wiper device (100) according to claim 1, characterized in that the locking element (22) penetrates into a cavity (51) of the fastening element (50) to make the connection by force and / or form. 11. A method (200) for mounting a wiper device comprising the steps of: - using (201) a wiper device (100) according to any one of claims 1 to 10 and - fixing (202) the fastener part (20) on the wiper blade side to the fastening element (50) by making a connection by force and / or 3024114. 21 by the form between the locking element (22) and the fastening element (50). 5