Wiping device and windshield wiper thus equipped

Abstract

TITLE: Wiping Device and Wiper Equipped Thus Equipped Wiping device for cleaning a vehicle window (10) comprising a wiper blade (14) with a washer water distribution unit (12) and a washer water connection element (16) for supplying the washer water distribution unit (12) with washer water, device characterized in that the washer water connection element (16) predefines a coupling direction (18) for coupling with a washer water line (20) and / or with a connection piece (22) of a washer water line (20), the coupling direction (18) being essentially different from the direction of the force (24) of the force induced by the hydraulic pressure of the washer water in spray mode of the washer water distribution unit (12). Figure 3

Description

Title of the invention: Wiping device and wiper thus equipped FIELD OF INVENTION

[0001] The present invention relates to a wiping device for cleaning a vehicle window comprising a wiper blade with a washing water distribution unit and a washing water connection element for supplying the washing water distribution unit with washing water. STATE OF THE ART

[0002] Such a wiping device for cleaning a vehicle window is already known. The device comprises a wiper blade equipped with a washing water distribution unit and a connection element to supply washing water to the distribution unit.

[0003] DESCRIPTION AND ADVANTAGES OF THE INVENTION

[0004] The present invention relates to a wiping device for cleaning a vehicle window comprising a wiper blade with a washing water distribution unit and a washing water connection element for supplying the washing water distribution unit with washing water, the device characterized in that the washing water connection element predefines a coupling direction for coupling with a washing water line and / or with a connection piece of a washing water line, the coupling direction being essentially different from the direction of the force induced by the hydraulic pressure of the washing water in spray mode of the washing water distribution unit.

[0005] The implementation of the wiping device according to the invention advantageously simplifies assembly because, in particular, it reduces the force required for assembly. This also improves operational reliability because, in particular, the force induced by operation does not cause disassembly, especially unintentional disassembly, of the wash water line or the branch fitting connected to the line, relative to this branch fitting. Advantageously, the different operating modes, pressure, water flow rate, or actuation interval can be freely selected because, in particular, the force induced by operation, whether due to pressure and / or the impulse related to the design, does not cause disassembly of the wash water line or the branch fitting of the line relative to the branch fitting.

[0006] Preferably, the wiping device can be installed on a vehicle, in particular a passenger vehicle, a commercial vehicle, or a railway vehicle or a boat, airplane, or drone. The wiping device, including the wiper blade, is designed to clean a vehicle window. The term "vehicle" refers to any means of transport on land, in the air, or on water, for example, a land vehicle, a watercraft, or an aircraft. The vehicle may be a vehicle operating at least partially or fully in autonomous mode.

[0007] The term "wiping device" refers to at least a part, preferably a subassembly, of a windshield wiper. The wiping device is intended for application to a vehicle, in particular a passenger car or commercial vehicle, a railway vehicle, a boat, an aircraft, or a drone. The wiping device constitutes a part of the windshield wiper. Preferably, the wiping device is, in particular, a part of the windshield wiper used to clean the surface, preferably the surface of a window, in particular a vehicle window. The wiping device can be used to clean the window, preferably of the vehicle such as, for example, the windshield, by being coupled to the vehicle, preferably to the vehicle's windshield wiper drive.

[0008] The wiping device includes, in particular, a windshield wiper with a wiper blade having at least one wiping lip for the cleaning operation by passing over the surface of the window and, in particular, by sweeping over the sensor area integrated into the vehicle's window. The fact that an object is designed or manufactured to perform a certain function means that this object performs or executes this specific function in at least one application or operating state. The term "operating state" preferably refers to a state in which the windshield wiper is in operating mode or in a preparatory wiping mode in which the windshield wiper device, the wiper blade, and in particular the wiper itself, pass over the vehicle's window while being pressed against it.

[0009] The term "vehicle window" refers in particular to a transparent or partially transparent glass or plastic panel or housing designed to protect the vehicle's interior from wind, weather, or particles. The term "wash water" refers, in particular, to water with a cleaning agent, including a window cleaning agent and at least one antifreeze, for cleaning, including wet cleaning of the window, particularly the windshield, with the windshield wipers to improve the wiping action.

[0010] Preferably, the washer water distribution unit is connected to the wiper blade by a form-fitting linkage, or is made as a single unit with the wiper blade, or is integrated into the wiper blade. The washer water distribution unit may be made, at least partially, in the form of a recess such as a channel in the wiper blade. Preferably, the distribution unit The washer water supply is a channel in the wiper blade or a hose on the wiper blade. The washer water distribution unit includes at least, preferably, one washer water distribution orifice and preferably several such orifices in the form of nozzles which are regularly distributed in the main direction of extension of the wiper blade or are regularly installed.

[0011] The washing water distribution unit is designed to apply washing water to the vehicle's window and allow the window to be cleaned with a wiper blade. The "principal direction of extension" of an object refers, in particular, to the direction parallel to the longest edge of the smallest geometric parallelepiped that closely surrounds the object. The expression "in one piece" means that it is a connection by material, for example, by welding, bonding, injection molding, or other technique known to a person skilled in the art or which appears advantageous to them and / or which can be advantageously produced in one piece, such as, for example, a casting or a one- or multi-component injection molding process, or a part produced from a single blank.

[0012] Preferably, the washer water connection element is provided on the side of the wiper blade opposite the side facing the windshield. Alternatively, the washer water connection element can be oriented parallel to the wiping plane of the wiping device, in particular, parallel to the main extension plane of the vehicle's windshield that the wiper blade is to clean, being at least practically next to the wiper blade or wiper arm.

[0013] Preferably, the washer water connection element comprises a channel that is at least practically perpendicular to the main direction of extension of the wiper blade and / or perpendicular to the wiping plane of the wiping device, in particular the main plane of extension of the windshield to be cleaned by the wiper blade. The channel preferably opens directly into the washer water distribution unit. The connection area between the channel and the washer water distribution unit is preferably T-shaped or L-shaped.

[0014] The channel and the wash water distribution unit could also be configured in a Y shape or a similar shape for the connection between the channel and the wash water distribution unit. Preferably, the wash water distribution unit and the channel form an angle that is at least practically equal to 90°. Alternatively, the channel and the wash water distribution unit could form the smallest angle of at least 60°, and in particular at least 30°. Preferably, the channel supplies the wash water distribution unit. Preferably, the wiper blade is formed at least in part by the wash water distribution element, or alternatively, the wash water connection element is part of the wiper blade. The wash water connection element is provided to supply washing water, in particular the washing water distribution orifices with the windshield wiper blade.

[0015] The wash water branch element is connected by a fluidic link to the wash water distribution unit. The wash water distribution unit is at least partially formed by the wash water branch element. The term "principal plane of extension" of an element refers, in particular, to a plane parallel to the largest lateral surface of the smallest parallelepiped that the component completely surrounds and, in particular, passes through the center of the parallelepiped. The coupling direction refers, in particular, to a direction in which the wash water branch element is connected or mounted to the wash water line or to the wash water line fitting.The expression "essentially perpendicular" refers to the orientation of a direction with respect to a reference direction, the direction and the reference direction, in particular in a projection plane making an angle of 90° between them and the maximum deviation of this angle is in particular less than 8°, advantageously less than 5° and in a particularly advantageous manner, less than 2°.

[0016] The connection piece is preferably an adapter that can be coupled to the wash water connection element. The connection piece establishes a fluid connection with the wash water connection element. The wash water line is connected to the connection piece via a fluid connection that is watertight. The wash water line could also be connected directly to the wash water connection element, in particular by a hose connection such as a sleeve or elbow, a quick-connect fitting, or a similar hose connection.

[0017] In particular, the coupling direction corresponds to the principal direction of movement of the washer water line or the connection fitting for the coupling operation. The coupling direction is at least practically parallel to the wiping plane of the wiper device, specifically to the principal plane of extension of the vehicle window cleaned by the wiper blade. The coupling direction is at least practically parallel to the principal direction of extension of the wiper blade. The coupling is preferably made via the washer water connection fitting with the washer water line and / or with a connection fitting of the washer water line, proceeding in the coupling direction. The washer water line preferably connects a washer water pump and / or reservoir to the connection fitting or to a washer water distribution unit.

[0018] Preferably, the branch fitting is at a free end of the wash water line. Preferably, the wash water line branch fitting is designed to connect the wash water line to the wash water branch element or to be coupled. The expression "practically" "Parallel" refers to the orientation of a direction relative to a reference direction, particularly in a plane; the direction deviates from the reference direction by only a deviation, in particular less than 8°, advantageously less than 5° and in a particularly advantageous way, less than 2°.

[0019] The term "force direction" refers to the direction of an induced force, particularly a fluidic and / or hydraulic force such as an impulse related to the acceleration of the wash water in spray mode or to pressure, particularly the fluidic pressure of the wash water acting on the surface of the wash water branch element or the wash water line or a branch fitting of the wash water line, particularly the fluidic pressure of the wash water. Preferably, the direction of the force and that of the channel forming the wash water branch element are at least practically parallel.Preferably, the direction of the channel forming the wash water branch element determines, in particular, the direction in which the wash water exits the branch piece or the wash line, or the opposite direction, or the direction in which the wash water enters the wash water branch element. The term "spraying method" refers to the distribution of the wash water, in particular through the wash water outlet onto the window to be cleaned.

[0020] Preferably, the wash water line or the wash water line branch fitting, in the installed or mounted state, is connected to the wash water branch fitting by a form connection. The form connection between the wash water line and the branch fitting, or between the branch fitting and the branch fitting, is predefined to secure the wash water line or the wash water line branch fitting to the branch fitting.

[0021] According to another feature, the coupling direction and the force direction form a smallest angle of at least 45° with each other. The mounting force can advantageously be reduced because, in particular, the force direction and the coupling direction differ from each other so that the force induced by operation is unlikely to dislodge the wash water line or the wash water line branch fitting from the branch fitting. Advantageously, this increases operational safety. The coupling direction and the force direction form a smallest angle of at least 45° with each other, advantageously at least 60°, and particularly advantageously, at most 75°. The angle is designed to minimize the component of the force induced by operation that is oriented in the coupling direction.

[0022] According to another characteristic, the coupling direction is at least practically perpendicular to the direction of the force. This makes it possible to reduce the force accordingly. assembly. In particular, no forces generated by the operation are directed in the coupling direction. This advantageously increases operational reliability because, specifically, during operation, no forces are generated in the coupling direction. The force induced by the operation and directed in the coupling direction is thus practically zero or eliminated. In particular, during operation, there is no force induced by the liquid acting in the coupling direction, nor any force component acting in the coupling direction. The force direction has no component acting in the flow direction.

[0023] In addition, the coupling direction is at least practically parallel to the main extension direction of the wiper blade. This simplifies assembly, particularly thanks to the guidance system. A flawless assembly is also ensured because, notably, the mounting force does not stress the wiper lip. The coupling direction is at least practically parallel to the main extension direction of the wiper arm to which the wiper blade is attached. The coupling could have an additional rotational movement, in particular, to secure the coupled washer water line parallel to the main extension direction of the wiper blade, or to connect the washer water line fitting to the washer water inlet.

[0024] According to another feature, the coupling direction is at least practically parallel to the wiping plane of the wiper assembly and forms a bend relative to the main extension direction of the wiper blade. There is no fluid-induced operating force acting in the coupling direction that could cause the washer fluid line or the washer fluid line connection to separate from the washer fluid connection element. This has the advantage of reducing the force required for assembly because, in particular, there is no operating force induced in the coupling direction. This simplifies assembly because, in particular, the assembly force is not oriented perpendicular to the wiper blade, thus preventing damage to the wiper blade during assembly.The coupling direction and the main extension direction of the wiper blade form a small angle of at least ± 15°, preferably at least ± 30°, preferably at least ± 45°, advantageously at least ± 60°, and particularly preferably at least ± 75°. Preferably, the coupling direction is perpendicular, in particular transverse, to the main extension direction of the wiper blade.

[0025] The invention also relates to a wiper blade adapter which is constituted at least in part by the washer water connection element. This advantageously simplifies assembly because, in particular, the connection piece is connected to the wiper blade adapter and / or centered relative to the wiper blade adapter. This has the advantage of reducing the total number of parts and thus the complexity or cost. Preferably, the wiper blade adapter is connected to the wiper blade by a form connection. The wiper blade adapter is designed to secure the washer water connection element to the washer water line and / or the washer water line connection piece, notably by a form connection and / or by force. The washer water connection element is formed as a recess in the wiper blade adapter.The wiper blade adapter connects, in particular, to the recess in the wiper blade adapter which connects to the integrated washer water distribution unit, specifically the channel in the wiper blade which forms at least part of the washer water distribution unit.

[0026] According to another feature, the wiper blade adapter and the connecting piece have corresponding sliding mounting elements that allow for reciprocal mounting of one relative to the other. This simplifies mounting because, in particular, the mounting movement is guided in the coupling direction. Advantageously, this prevents the sliding elements from being incorrectly mounted because the mounting movement is guided. The sliding elements are in the form of rails and / or sliding bearings and / or guide elements. The sliding elements are designed to limit the mounting movement perpendicular to the main extension direction of the wiper blade, notably by means of a connection through the shape.Preferably, the wiper blade connection or adapter has a sealing element to prevent wash water from escaping at the junction points between the connection and the wiper blade adapter. The sealing element is preferably located between the connection and the wiper blade adapter, particularly around the recess in the wiper blade adapter.

[0027] According to another feature, the washer water distribution unit includes at least one nozzle integrated into the wiper blade, particularly for distributing washer water in a direction that is at least practically perpendicular to the main direction of extension of the wiper blade. This has the advantage of allowing particularly thorough cleaning of the windshield, especially the vehicle's windshield, because the nozzles operate at high pressure. The washer water distribution unit includes several nozzles integrated into the wiper blade, which are distributed almost evenly along the length of the wiper blade. Preferably, the nozzles integrated into the wiper blade, when viewed perpendicular to the wiping plane, are located on the two long sides of the wiper blade. The washer water distribution orifices are nozzle-shaped. In particular, the spray direction of the nozzles is at least practically parallel to the wiping plane. It could also be envisaged that at least one of the nozzles, in particular the spray direction of at least one nozzle, is parallel to the main extension direction and / or is inclined with respect to this main extension direction.

[0028] According to another feature, the invention relates to a windshield wiper with at least one wiper device. This improves the wiper's cleaning capacity because, in particular, thanks to the decoupled force direction relative to the coupling direction, various operating parameters such as pressure, flow rate, or actuation interval can be freely selected. Preferably, the wiper is installed on a vehicle.

[0029] In addition, the invention also relates to a method for mounting a windshield wiper device in which the washer water connection element for coupling with the washer water line or with a connection piece of a washer water line is moved in a coupling direction, this direction being essentially different from the direction of the force induced by the hydraulic pressure of the washer water for the spray mode of the washer water distribution unit. The mounting is particularly simple since the coupling direction is different from the direction of the force, resulting in a considerably reduced mounting force. Brief description of the drawings

[0030] The present invention will be described in more detail below with reference to embodiments of a windshield wiper device according to the invention shown in the accompanying drawings, in which:

[0031] [Fig. 1] windshield wiper equipped with a windshield wiper device according to the invention,

[0032] [Fig.2] Schematic view of the disassembled windshield wiper assembly,

[0033] [Fig.3] Schematic view of the mounted windshield wiper device, and

[0034] [Fig.4] Schematic flowchart of a device assembly method windshield wiper.

[0035] DESCRIPTION OF THE METHOD OF IMPLEMENTATION OF THE INVENTION

[0036] Figure 1 shows a windshield wiper 40. The windshield wiper 40 includes a wiper mechanism. The windshield wiper 40 is designed to clean a vehicle window 10. The wiper 40 moves in the wiping plane 30. The wiping plane 30 is that of the vehicle window 10. The wiping plane 30 is parallel to the vehicle window 10. The wiping mechanism includes a wiper blade 14. The wiper blade 14 has a main extension direction 28. The wiper blade 14 is fitted to the window 10. The wiper blade 14 is designed to clean the window 10 of the vehicle. vehicle. The windshield wiper blade 14 moves across the window 10 to clean it. The windshield wiper blade 14 has a washer fluid distribution unit 12. The washer fluid distribution unit 12 is designed to apply washer fluid to the vehicle's window 10. The washer fluid distribution unit 12 has nozzles 36. The nozzles 36 apply the washer fluid to the window 10. The nozzles 36 define a direction for the washer fluid distribution 38.

[0037] The nozzles 36 are oriented parallel to the plane 30 of the window or slightly towards the plane 30 of the window. The direction of distribution of the washer water 38 is perpendicular to the wiper blade 14. However, a direction of distribution of the washer water 38 that is parallel or inclined with respect to the wiper blade 14 can be envisaged. The direction of distribution of the washer water 38 is parallel to the window 10 or is slightly inclined towards the window 10. The direction of distribution of the washer water 38 is parallel to the wiping plane 30. The washer water distribution unit 12 has one nozzle 36 integrated into the wiper blade 14. The washer water distribution unit 12 could also have several nozzles 36 integrated into the wiper blade 14.The nozzle 36 distributes the water in a washing water distribution direction 38 which is at least practically perpendicular to the main extension direction 28 of the wiper blade 14.

[0038] Figure 2 shows the wiper assembly in its installed state 52. The wiper assembly includes a washer water connection element 16. The washer water connection element 16 is designed to supply the washer water distribution line 12 with washer water. The washer water connection element 16 is designed to connect the washer water distribution unit 12 to a pump 60 of the wiper assembly. The washer water distribution unit 12 is formed in part by the washer water connection element 16. The passage of the fluid between the washer water connection element 16 and the nozzle 36 has several bends. The wash water connection element 16 has a channel 42. The channel 42 is perpendicular to the main extension direction 28 of the wiper blade 14. The channel 42 is a recess in the wiper blade 14.Channel 42 is perpendicular to the main extension direction 28 of the wiper blade 14. Channel 42 is a recess in the wiper blade 14. Channel 42 could also be formed by a pipe. The pipe could be provided in the vicinity of the wiper blade 14. The pipe could also be integrated into the wiper blade 14. Channel 42 forms a branch port 56. The branch port 56 is open in a direction that is at least practically perpendicular to the main extension direction of the wiper blade 14. The branch port 56 is provided with a washer water line 20 in fluidic connection with channel 42. Channel 42 opens into the washer water distribution unit 12. The . Channel 42 and the wash water distribution unit 12 form a junction zone 68. The junction zone 68 has a T-shape. Channel 42 and the wash water distribution unit 12 have a smallest angle 70 equal to 90°.

[0039] The wash water branching element 16 predefines the direction of the force 24. The direction of the force 24 is parallel to that of the channel 42 of the wash water branching element 16. The direction of the force 24 in spray mode of the wash water distribution unit 12 is given by the hydraulic pressure of the wash water. The wash water branching element 16 provides a coupling direction 18 (see also [Fig. 3]). The coupling direction 18 is predefined for coupling with a wash water line 20 or with a connector 22 of a wash water line 20. The wiper assembly includes the wash water line 20. The wiper assembly has the connector 22. The connector 22 forms the end of the wash water line 20. The wash water line 20 is guided along an arm 58 of the wiper 40.The wash water line 20 is connected in fluidic link with the pump 60.

[0040] The connecting piece 22 has a channel 66 with an angled profile. The channel 66 of the connecting piece 22 forms a connection port 64. The connection port 64 allows the channel of the connecting element 22 to be connected to the washer water distribution unit 12 of the wiper blade 14. The coupling direction 18 and the direction of the force 24 form a smallest angle 26, which is at least 45°. The coupling direction 18 passes at least practically perpendicular to the direction of the force 24. The direction of the force 24 and the coupling direction 18 form an angle with each other. The coupling direction 18 is at least practically parallel to the main extension direction 28 of the wiper blade 14. The coupling direction 18 is at least practically parallel to the wiping plane 30 of the wiping device; it is inclined with respect to the main extension direction 28 of the wiper blade 14.The coupling direction 18 is essentially different from the direction of force 24.

[0041] The wiping device includes a wiper blade adapter 32. The wiper blade adapter 32 is partly formed by the wash water connection element 16. The wiper blade adapter 32 is intended for the mechanical attachment of the wiper blade 14 to the wiper arm. The wiper blade adapter 32 is connected to the wiper blade 14 by a form-fit connection. The wiper blade adapter 32 could also be made as a single unit with the wiper blade 14. The wiper blade adapter 32 is designed to secure the connecting piece 22 by a form-fit connection in the installed position 54. The wiper blade adapter 32 comes into contact with the connecting piece 22 in the mounted position 54. The wiper blade adapter 32 is in the middle of The longitudinal extension of the wiper blade 14. The wiper blade 14 is in contact with the connecting piece 22 in the mounted state 54. The wiper blade adapter 32 has a sliding mounting element 34. The connecting piece 22 has another sliding mounting element 62 corresponding to the sliding mounting element 34 of the wiper blade adapter 32.

[0042] The corresponding sliding mounting elements 34, 62 are designed to be mounted relative to each other. The sliding mounting elements 34, 62 are made in the form of a combination of rails and sliding grooves. The sliding mounting elements 34 are designed to guide the connecting piece 22 relative to the wiper blade adapter 32 parallel to the coupling direction 18. The sliding mounting elements 34 are in the form of linear guides. The connecting piece 22 is connected to the wash water line 20 by a fluid connection. The connecting piece 22 has a sealing element 50. The sealing element 50 is intended to ensure the sealing of the connection of the connecting piece 22 to the washing water connection element 16. The sealing element 50 surrounds the recess of the wiper blade 14 forming the channel 42.A sealing element 50 provided on the wiper blade adapter 32 could also be considered. The sealing element 50, in its installed state 54, is located between the wiper blade adapter 32 and the connection piece 22. The sealing element 50 is in the form of an elastomer O-ring seal.

[0043] Figure 3 shows the wiper assembly in the mounted state 54. In this mounted state 54, the sliding elements 34 are engaged with each other. The sliding elements 34 could also be adjacent to the wiper blade 14 relative to the vehicle window 10. In the mounted state 54, the wiper assembly has a fluid connection from the pump 60 to the nozzles 36.

[0044] Figure 4 is a schematic flowchart of a method for assembling a windshield wiper device. In at least one process step 44, a windshield wiper 40 is supplied with a wiper assembly in the disassembled state 52. In at least one process step 46, the wash water connection element 16 is moved for coupling with the wash water line 20 or with the connection piece 22 of a wash water line 20 in the coupling direction 18. The coupling is made in the coupling direction 18. The coupling direction 18 is practically different from the direction of the force 24. The direction of the force 24 is predetermined by a force induced by the hydraulic pressure of the wash water in spray mode of the wash water distribution unit 12.To couple the coupling installation 18, the corresponding sliding elements 34 of the branch piece 22 of the wash water line 20 and the wash water branch element 16 are engaged. The position of the branch piece 22 relative to the adapter of . The wiper blade 32 is locked in the mounted state 54 by the connection through the shape between the connecting piece 22 and the wiper blade adapter 32. In at least one process step 48 a wiper 40 is provided with a mounted wiping device, for which the connection port 56 of the wash water connection element 16 and the connection port 64 of the connecting piece 22 overlap / are sealed together for operation.

[0045] NOMENCLATURE OF MAIN ELEMENTS

[0046] 12 Wash water distribution unit

[0047] 14 Windshield wiper blade

[0048] 16 Wash water connection element

[0049] 18 Coupling direction

[0050] 20 Water pipe

[0051] 22 Connection

[0052] 24 Force direction

[0053] 26 Angle

[0054] 28 Main extension direction

[0055] 30 Wiping Plan

[0056] 32 Wiper blade adapter

[0057] 34 Sliding mounting element

[0058] 36 Nozzle

[0059] 38 Water distribution management

[0060] 40 Windshield wiper

[0061] 42 Canal

[0062] 52 Disassembled state

[0063] 56 Branching port

[0064] 58 Windshield wiper arm

[0065] 60 Pump

[0066] 62 Sliding mounting element

[0067] 64 Branching port

[0068] 66 Canal

[0069] 68 T-junction zone

[0070] 70 Angle

Claims

Demands

1. Wiping device for cleaning a vehicle window (10) comprising a wiper blade (14) with a wash water distribution unit (12) and a wash water connection element (16) for supplying the wash water distribution unit (12) with wash water, device characterized in that the wash water connection element (16) predefines a coupling direction (18) for coupling with a wash water line (20) and / or with a connection piece (22) of a wash water line (20), the coupling direction (18) being essentially different from the direction of the force (24) of the force induced by the hydraulic pressure of the wash water in spray mode of the wash water distribution unit (12).

2. Wiping device according to claim 1, characterized in that the coupling direction (18) and the force direction (24) make an angle (26) of at least 45° with each other.

3. Wiping device according to claim 1, characterized in that the coupling direction (18) is at least practically perpendicular to the direction of the force (24).

4. Wiping device according to any one of the preceding claims, characterized in that the coupling direction (18) is at least practically parallel to the main extension direction (28) of the wiper blade (14).

5. Wiping device according to any one of claims 1 to 3, characterized in that the coupling direction (18) is at least practically parallel to a wiping plane (30) of the wiping device and is inclined with respect to the main extension direction (28) of the wiper blade (14).

6. Wiping device according to any one of the preceding claims, characterized in that it comprises a wiper blade adapter (32) made at least in part by the wash water connection element (16).

7. Wiping device according to claim 6,

8.

9.

10. characterized in that The wiper blade adapter (32) and the connecting piece (22) have corresponding sliding mounting elements (34, 62) for their reciprocal mountings. A wiping device according to any one of the preceding claims, characterized in that the wash water distribution unit (12) includes at least one nozzle (36) integrated into the wiper blade (14), in particular to distribute wash water in at least one wash water distribution direction (38) perpendicular to the main extension direction (28) of the wiper blade (14). Windscreen wiper (40) comprising a windscreen wiper device according to any one of claims 1 to 8. Method of assembling a wiping device, in particular according to any one of claims 1 to 8 comprising a wiper blade (14) with a washer water distribution unit (12) and a washer water connection element (16) for supplying the washer water distribution unit (12), method characterized in that the wash water branching element (16) for coupling with a wash water line (20) or with a branching part (22) of a wash water line (20) is moved in the coupling direction (18), this coupling direction (18) being essentially different from the direction of the force (24) induced by the hydraulic pressure of the wash water in spray mode of the wash water distribution unit (12).