Wiping device, in particular for a motor vehicle, with a combined part comprising a holding element and a wiping lip

Abstract

Title: Wiping device, in particular for a motor vehicle, with a combined part comprising a holding element and a wiping lip. Wiping device (1) in particular for a motor vehicle comprising at least one holding element (3) and a wiping lip (4) extending in a longitudinal extension, device characterized by - a composite part (2) in the longitudinal extension comprising the holding element (3) and the wiping lip (4), - at least one back blade (6), and - the holding element (3) of the combined part (2) holds at least the back blade (6). Figure 4B

Description

Title of the invention: Wiping device, in particular for a motor vehicle, with a combined part comprising a holding element and a wiping lip. FIELD OF THE INVENTION

[0001] The invention relates to a wiping device used in particular for a motor vehicle. The invention relates especially to the field of passenger vehicles and trucks. STATE OF THE ART

[0002] According to document DE 10 2004 058 511 A1 a flat windscreen wiper is known. This known windscreen wiper has a wiping blade without a serrated handle.

[0003] DISCLOSURE AND ADVANTAGES OF THE INVENTION

[0004] The wiping device according to the invention has the advantage of allowing better production and better operation. There will be a simpler construction of the wiping device and / or the replacement will be simpler for the wiping lip and / or a better fixing of the wiping lip. In addition, a modular structure can be produced which allows the manufacture of several construction variants by modifying different parts.

[0005] Other features result in advantageous developments and improvements of the main features.

[0006] Advantageously, the combined part is at least practically in a single piece and / or practically in a single material. This allows the production of an integrated part at reduced cost. The integrated part is simply installed.

[0007] Advantageously, the combined part is an extruded combined part. This allows for advantageous and inexpensive manufacturing.

[0008] Advantageously, the holding element of the combined part is at least practically made of a harder material than the wiping lip which is at least practically made of a softer material and in that the harder material has a greater strength than the softer material. This allows an advantageous pairing of materials in a single component. Higher stability and optimized wiping capacity can thus be achieved in a targeted manner in combination. This simplifies assembly because the number of separate parts to be installed is reduced.

[0009] Advantageously, the combined part is a coextruded combined part. It is thus possible to advantageously combine several materials to obtain the single part.

[0010] Advantageously, the holding element of the combined part surrounds at least one dorsal blade on at least one longitudinal side, in particular the two sides longitudinal. This ensures a reliable fixation. In particular, the holding element surrounds the dorsal blade over at least almost its entire longitudinal extension on one or both longitudinal sides. This increases the strength accordingly.

[0011] Advantageously, at least one other part is provided, connected by at least one holding blade or combination compound. This provides an advantageous attachment to the combined part. The number of functions that can be achieved with the combined part can thus be increased.

[0012] Particularly advantageously, at least one end cap is provided, connected by at least one holding blade to the combined part. This provides, in particular, direct attachment of the end cap to the combined part.

[0013] Particularly advantageously, at least one profile is provided which is installed at least practically on the side of the holding element opposite the wiping lip and the profile is connected by at least one holding blade to the combination part. This allows in particular the direct attachment of the profile body to the combination part. The profile body allows the upper cover of the wiping device to be realized when looking through the window.

[0014] Particularly advantageously, at least one deflector is provided which is installed at least practically on the side of the holding element opposite the wiping lip, and

[0015] - the deflector is connected by at least one retaining blade to the compound of combination. This allows, in particular, a third attachment of the deflector to the combined part. According to the preferred development, the deflector is made on a profiled body.

[0016] A deflector may be extended in a development by at least one end cap to the end cap deflector. Thus the deflector extends at least substantially over the entire longitudinal extension.

[0017] Depending on the application, one or more profiled bodies are provided based on the deflector.

[0018] Particularly advantageously, at least one fastening adapter is provided for fastening to a wiper arm and the fastening adapter is installed at least practically on the side of the holding element opposite the wiper lip and the fastening adapter is connected by at least one holding blade to the combination part. This allows the fastening of the combination part by the wiper arm fastening adapter. The fastening adapter can be connected in particular directly to the holding element. This achieves high functionality. The construction is simple in that in particular it is possible with a reduced number of parts and generally an assembly with intersection points. In addition in this way, according to a preferred development the end caps, the deflectors and preferably the profiles and the fixing adapter are all fixed to the holding blades of the holding element of the combined part which all extend identically and over the entire longitudinal extension at least practically continuously.

[0019] Advantageously, the dorsal blade has at least one recess, in particular at least one at least substantially rectangular recess, and at least one other component is connected to the dorsal blade by at least one hooking element coming into the recess. Thus, one or more preferably additional components can be provided for attachment to at least one holding blade of the holding element in combination also with the dorsal blade. The connection to the dorsal blade preferably ensures locking along the longitudinal extension.

[0020] Advantageously, at least one end of the dorsal blade has a recess in particular substantially close to the rectangular recess and an end cap is connected to the dorsal blade by a hooking element engaging in at least one of the recesses. Thus, the locking of the end cap to the hooking element can in particular have end caps forming end-of-travel stops for the part combined with the wiping lip.

[0021] Advantageously, between the ends of the dorsal blade considered along the longitudinal extension, in particular at least substantially in the middle between the ends of the dorsal blade considered along the longitudinal extension, there is provided at least one recess, in particular at least one substantially rectangular recess, and a fixing adapter serving for fixing to a wiping arm with at least one hooking element coming into at least one recess to be connected to the dorsal blade. This guarantees the fixing of the fixing adapter to the dorsal blade. This allows simple assembly.

[0022] Advantageously, the combined part slides in a limited manner along the longitudinal extension relative to the dorsal blade and the sliding of the combined part along the longitudinal extension relative to the dorsal blade is limited by at least one end cap and / or at least one termination piece provided at at least one end of the dorsal blade. This embodiment allows an advantageous limitation, the possibility of relative sliding along the longitudinal extension. Depending on the embodiment, it is possible to have end caps of the same function at both ends or embodiments of different functions at both ends.

[0023] Advantageously, the wiping device is at least practically without a deflector and / or without a profiled body between the fixing adapter and at least one end cap. This embodiment can also be achieved with two profiles or two deflectors relative to the two end caps. It is possible to have a embodiment in which the wiping device considered for the top of the window is open so that the upper side is provided at least partly on the holding element of the combined part and the back blade.

[0024] Advantageously, at least one end cap has at least one substantially flat side opposite the wiping lip. This allows a baffle-free embodiment in the wiping device.

[0025] Depending on the embodiment, one or more of the following characteristics may be provided with the advantages.

[0026] A wiping device can be provided corresponding to the structure of a flat windshield wiper. A combined part is provided integrated on the flat windshield wiper and the wiping lip, in particular the wiping blade and the holding element are integrated into the combined part.

[0027] The combined part has to some extent at least two elements, the wiping lip and the holding element but other elements can also be provided. The wiping lip ensures the function of contact with, for example, a vehicle window to wipe water off the window in operation. The holding element according to a preferred embodiment holds the end caps which are adapted to see an end cap embodiment of a flat windscreen wiper with at least one and preferably two deflectors designed as a profile and a fastening adapter preferably installed substantially in the middle along the longitudinal extension.

[0028] The dorsal blade ensures a solid and / or rigid connection of the end caps and the fixing adapter, which prevents the end caps and the fixing adapter from sliding along the longitudinal extension.

[0029] The combined part provides stability and structure to the wiping device by the holding element. The holding element provides support for the back blade, the end caps, a deflector or preferably deflectors and the attachment adapter.

[0030] The combined part is preferably extruded or coextruded. The at least two elements of the combined part, namely the holding element and the wiping lip, can be produced as a single piece from substantially the same material or, alternatively, from different materials. Especially according to a preferred embodiment, there is a first material which is flexible and corresponds at least substantially to the construction of the wiping lip in use. A second material is a hard or solid and / or rigid material thus used at least practically for the holding element.

[0031] The combined part has means for enabling the attachment of the back blade, the deflector or deflectors, the end caps and the preferably central attachment adapter. These attachment means are preferably provided all on the single holding element. For this purpose, this holding element comprises at least one holding blade and preferably two holding blades. The fastening means preferably serve in a comparable manner in the case of several other parts, in particular the deflector or deflectors, the end caps and the preferably middle or central fastening adapter. For the back blade, at least one further fastening means is provided on the holding element.

[0032] One or more dorsal blades may be provided. Preferably, there is exactly one dorsal blade. The embodiments envisaged as examples for the dorsal blade apply correspondingly to embodiments with two or more dorsal blades.

[0033] The back blade preferably has cut-out-shaped recesses. Such recesses allow the attachment of parts in particular to limit the degree of freedom of movement in the longitudinal direction. In particular in combination with the attachment with the holding element, all degrees of freedom of movement can be limited. For this purpose, it may be necessary to limit the relative movement between the back blade and the combined part in the longitudinal extension, which can be done, for example, by the end caps.

[0034] The recesses in the back blade allow the attachment of hooking beaks of the end caps and at least one beak of the fixing adapter. But there are also other connection possibilities. The embodiment with the hooking beaks or another relative connection has the advantage, where appropriate, of tool-free assembly. One or more hooking connections can be made as non-detachable.

[0035] An embodiment of the wiping device as a flat wiper blade can be made with or without at least one deflector or profile. In addition, it is possible to have an embodiment of the wiping device, in particular a flat wiper, with end caps, for example with a deflector, or with end caps without a deflector. One or more deflectors can be made as air deflectors. Brief description of the drawings

[0036] One of the preferred embodiments of the invention is given in the following description with reference to the appended drawings in which the corresponding elements provided with corresponding references will be detailed in the figures:

[0037] [Fig.l] wiping device in particular for a motor vehicle according to a schematic perspective view of a first embodiment,

[0038] [Fig.2] wiping device of [Fig.l] in a schematic exploded view in space corresponding to the embodiment example, with a combined part, a blade back, two high-profile deflectors, two end caps and at least one fixing adapter installed substantially in a central position,

[0039] [Fig.3A] windshield wiper device as shown in [Fig.2] according to a detail view to describe an assembly,

[0040] [Fig.3B] windshield wiper device as shown in [Fig.2] according to a detail view to describe an assembly,

[0041] [Fig.3C] windshield wiper device as shown in [Fig.2] according to a detail view to describe an assembly,

[0042] [Fig.3D] windshield wiper device as shown in [Fig.2] according to a detail view to describe an assembly,

[0043] [Fig.4A] combined part and back blade of the wiping device corresponding to a possible embodiment of the combined part as a single piece in a spatial orientation, schematic, joining; [Fig.4A] showing an extract of a representation in space, and

[0044] [Fig.4B] profile view of [Fig.4A] with a viewing direction bearing the reference IV-B,

[0045] [Fig.5A] Combined part and back blade of the wiping device corresponding to a possible embodiment of the combined part as a coextruded part according to a representation in space,

[0046] [Fig.5B] profile view according to the direction of view bearing the reference VB at the [Fig.5A],

[0047] [Fig.6A] tip of [Fig.2] in partially cut open position, schematic, corresponding to the first embodiment to describe the possible connection between the tip and the dorsal blade as well as the holding element of the combined part, for the state before assembly,

[0048] [Fig.6B] tip of [Fig.2] in partially cut open position, schematic, corresponding to the first embodiment to describe the possible connection between the tip and the dorsal blade as well as the holding element of the combined part, for the state after assembly,

[0049] [Fig.7A] fixing adapter of [Fig.2] in the open position partially cut away schematically, in perspective of the first embodiment to describe a possible connection between the fixing adapter and the back blade as well as the element of the combined part, in the state before assembly,

[0050] [Fig.7B] fixing adapter of [Fig.2] in the open position partially cut away schematic, in perspective of the first embodiment example to describe a possible connection between the fixing adapter and the back blade as well as the element of the combined part, in the assembled state,

[0051] [Fig.7C] Detail view of the fixing adapter of [Fig.7B] in the open position, partially cut away, schematic, in perspective of the first embodiment to describe a possible connection between the fixing adapter and the back blade as well as the element of the combined part, in the assembled state,

[0052] [Fig.8A] possible embodiment respectively of a detail on the end side of the wiping device according to a partially cut open representation for the description of the limitations of the movement of the combined part and the back blade,

[0053] [Fig.8B] alternative embodiment of an end-side detail of the wiping device in a partially cut-away open view for the description of the limitation of movement between the combined part and the back blade,

[0054] [Fig.9A] wiping device according to a schematic view corresponding to a second example of embodiment without deflector,

[0055] [Fig.9B] Wiper device shown schematically for a second exemplary embodiment with an embodiment without housing, showing the detail of an end cap in a perspective view.

[0056] DESCRIPTION OF AN EMBODIMENT

[0057] [Fig.l] shows a wiping device 1 in particular for a motor vehicle according to a schematic perspective view corresponding to a first embodiment. In addition [Fig.2], [Fig.3A]-3D, [Fig.4A] and 4B, [Fig.5A] and 5B, [Fig.6A] and 6B, [Fig.7A]-7C as well as [Fig.8A] and 8B show different representations of the wiping device 1 of [Fig.l]. The wiping device 1 can in particular be applied to a motor vehicle.

[0058] The wiping device 1 has a combination part 2. A holding element 3 and a wiping lip 4 are integrated in the combination part 2. In this exemplary embodiment, the combination part 2 is formed at least practically of the holding element 3 and the wiping lip 4 so that it consists mainly of two elements 3, 4. According to an alternative embodiment, the combination part 2 can also be formed of more than two elements 3, 4. The combination part 2 extends along the longitudinal extension 5 of the wiping device 1.

[0059] The wiping device 1 further has a back blade 6. The holding element 3 of the combined part 2 holds at least one back blade 6.

[0060] A possible embodiment of the combined part 2 is described with the aid of [Fig.4A] and [Fig.4B]; [Fig.4A] shows a partial perspective view and [Fig.4B] a profile view according to the direction of view bearing the reference IV-B in [Fig.4A]. The combined part 2 may be a single-piece part 2A comprising both the holding element 3 and the wiping lip 4 and thus comprising all the elements 3, 4 of the combined part 2.

[0061] This constitutes a possibility for producing the combined part 2 at least practically in a single part and / or at least practically in a single material. In particular, the combined part 2 is an extruded combined part 2A.

[0062] An alternative embodiment of the combined part 2 is described with the aid of [Fig.5A] and [Fig.5B]; [Fig.5A] shows a partial perspective view and [Fig.5B] a profile view according to the viewing direction VB of [Fig.5A]. The combined part 2 is in this case produced as an extruded combined part 2B.

[0063] Preferably, in the manufacture with at least two materials, the holding element 3 of the combined part 2 is formed at least practically from a relatively hard material 8 while the wiping lip 4 is at least practically from a softer material. The hard material 8 preferably has a higher degree of solidity than the softer material.

[0064] According to [Fig.4B] and where appropriate [Fig.5B], the holding element 3 of the combined part 2 practically laterally surrounds the dorsal blade 6. The dorsal blade 6 has large sides 10, 11 separated from each other. The holding element 3 surrounds the dorsal blade 6 on the two longitudinal sides 10, 11 with the two surrounds 16, 17 extending over the longitudinal extension 5.

[0065] According to [Fig.3A], the dorsal blade 6 can be engaged during assembly along the longitudinal extension 5 between the two frames 16, 17 in the shape of large Ues as explained by the arrow 18.

[0066] According to [Fig.4B] and where appropriate [Fig.5B], the holding element 3 of the combined part 2 has on these long sides 12, 13, means 14, 15 for fixing. The means 14, 15 are preferably designed as holding blades 14, 15 preferably extending along the longitudinal extension 5. In this embodiment, the holding blades are provided on the two longitudinal sides 14, 15 opposite each other; the holding blades 14, 15 extend at least substantially in a common plane.

[0067] The profiles 22, 33 surround the holding blades 14, 15 of the holding element 3 with U-shaped guides 26, 27 as shown as an example for the deflector 22 of [Fig.5B]. This allows advantageous fitting in the directions 18'. This allows advantageous attachment to the holding element 3.

[0068] According to [Fig.3B], the fixing adapter 20 allows the fixing 1 to the wiper arm not shown by fixing it to the holding blades 14, 15 as shown by the arrows 18. The fixing adapter 20 in the installed state is at least practically on one of the sides 21 of the holding element 3 opposite the wiping lip 4. Then the fixing adapter is connected by the holding blades 14, 15 to the combined part 2.

[0069] According to [Fig.3C], the profiles 22, 23 in the installed state are at least practically on the side 21 of the holding element 3 opposite the wiping lip 4 to be connected as is also shown to the holding blades 14, 15 by the combination piece 2 as is explained by the arrows 18, 18'.

[0070] The profiles 22, 23 of this embodiment are deflectors 24, 25. Correspondingly, other shapes of profiles 22, 23 or deflectors 24, 25 can also be used to mount and fix them.

[0071] According to [Fig.3D], the end caps 30, 31 can also be connected to the holding blades 14, 15 to the combined part 2 as explained by the arrows 18, 18'.

[0072] Thus, it is possible to provide at least one other part 20, 22, 23, 24, 25, 30, 31 which is connected to the combined part 2 by the holding blades 14, 15.

[0073] According to [Fig.2], the dorsal blade 6 has recesses 34, 35, 36 which in this embodiment have a substantially rectangular shape. The recesses 34, 35 are the outer recesses 34, 35 along the longitudinal extension 5 associated with the dorsal blade 6. The recess 36 is the inner recess 36 along the longitudinal extension 5; it is notably installed in the middle on the dorsal blade 6. The recesses 34, 35, 36 are, when considering preferably transversely the longitudinal extension, in the middle of the dorsal blade and thus form recesses 34, 35, 36 completely closed at the periphery by the dorsal blade.

[0074] According to [Fig.6B], at the end 41 of the dorsal blade 6 considered along the longitudinal extension 5 there is the recess 34. Correspondingly, at the end 42 of the dorsal blade 6 considered along the longitudinal extension 5 there is the recess 35. With reference to the recess 34, the description and in particular the characteristics and advantages of which apply to the recess 35.

[0075] According to a possible embodiment, the ends 41, 42 of the dorsal blade 6 considered according to the longitudinal extension 5 have recesses 34, 35 made in a corresponding manner, in particular at least substantially rectangular. The end caps 30, 31 are connected to the dorsal blade 6 respectively by a hooking element 37, 38 which engages in a respective recess 34, 35.

[0076] [Fig.6A] shows how the hooking element 37 designed as a hooking lever 37 with a hooking beak 35 is lifted according to the arrow 46 when it is fitted. [Fig.6B] shows the hooked state.

[0077] Figures 7B and 7C show the ends 41, 42 of the dorsal blade 6 considered along the longitudinal extension 5 and in particular at least substantially in the middle 44 between the ends 41, 42 of the dorsal blade 6 considered along the longitudinal extension, a recess 36. The recess is preferably at least substantially rectangular.

[0078] The recess 36 serves to fix the fixing adapter 20 used for fixing to a windshield wiper arm. In this exemplary embodiment, the two hooking elements 39, 40 which engage in the recess 36 are provided to connect the fixing adapter 20 to the dorsal blade 6.

[0079] [Fig.7A] shows the fitting of the fixing adapter 20 according to which the hooking elements 39, 40 produced as hooking lever 39, 40 and corresponding to the arrow 47 are adjusted to allow mounting.

[0080] It is thus possible to envisage embodiments in which the dorsal blade 6 comprises recesses 34, 35, 36 and at least one other part 20, 30, 31 is connected to the dorsal blade 6 by at least one other attachment element 37, 38, 39, 40 engaging in the recesses 34, 35, 36.

[0081] Figures 8A and 8B respectively show a detail of the end side of the device. wiping blade 1 in perspective view partially cut open to describe the limitation of movement between the combined part 2 and the back blade 6. [Fig.8A] shows a possible embodiment; [Fig.8B] shows an alternative embodiment.

[0082] The combined part 2 can slide in a limited manner by the mechanical stop between the limited longitudinal extension relative to the dorsal blade 6. The sliding of the combined part 2 according to the longitudinal extension 5 relative to the dorsal blade 6 can, as shown in [Fig.8A], be limited by at least one end cap 3, 31 and / or as shown in [Fig.8B], at least one termination part 50 delimiting the dorsal blade 6 preferably at one end 41, 42.

[0083] Figures 9A and 9B show a wiping device 1 according to a schematic representation corresponding to a second exemplary embodiment with an embodiment without a deflector as shown in [Fig.9B] in the detail of the end cap 30 according to a perspective view.

[0084] The wiping device 1 of this embodiment example does not include a deflector. Furthermore, according to the wiping device 1, it is produced without a profiled body 22, 23 between the fixing caps 30, 31 and the side 21 opposite that of the flat wiping lip.

[0085] The present invention is not limited to the described embodiments.

Claims

Claims

1. Wiping device (1) in particular for a motor vehicle comprising at least one holding element (3) and a wiping lip (4) extending along a longitudinal extension (5), device characterized by - a composite part (2) along the longitudinal extension (5) comprising the holding element (3) and the wiping lip (4), - at least one dorsal blade (6), and - the holding element (3) of the combined part (2) holds at least the dorsal blade (6).

2. Wiping device (1) according to claim 1, characterized in that a) the combined part (2) is formed at least mainly in one piece and / or at least mainly in one material (7), and / or b) the combined part (2) is an extruded combined part (2A).

3. Wiping device (1) according to claim 1, characterized in that a) the holding element (3) of the combination part (2) is made at least mainly of a harder material (8) than the wiping lip (3) which is made at least mainly of a softer material and the harder material (8) has a higher hardness than the softer material (9), and / or b) the combination part (2) is a coextruded combination part (2B).

4. Wiping device (1) according to one of claims 1 to 3, characterized in that the holding element (3) of the combined part (2) surrounds at least one back blade (6) on at least one longitudinal side (10, 11) in particular on both longitudinal sides (10, 11).

5. Wiping device (1) according to one of claims 1 to 4, characterized in that the holding element (3) of the combination part (2) has on at least one of the longitudinal sides (12, 13) a holding blade (14, 15) extending along the longitudinal extension (5), in particular on both longitudinal sides (14, 15) each a holding blade (14, 15) extending along the longitudinal extension (5).

6. Wiping device (1) according to claim 5, characterized in that a) at least one further part (20, 22, 23, 24, 25, 30, 31) is provided which is connected by at least one holding blade to the combination part, and / or b) at least one end cap (30, 31) provided to be connected by at least one holding blade to the combination part, and / or c) at least one profile (22, 23) provided on at least substantially on the side (21) of the holding element (3) opposite the wiping lip (4), and - the profile (22, 23) is connected to the combination part (2) by at least one holding blade (14, 15), and / or d) at least one deflector (24, 25) which is at least substantially on the side (21) of the holding element (23) opposite the wiping lip (4), and - the deflector (24, 25) is connected to the combination part (2) by at least one holding blade (14, 15), and / or e) at least one fixing adapter (20) for fixing to a wiping arm,the fixing adapter (20) being provided at least practically on the side (2) of the holding element (3) opposite the wiping lip (4), and - the fixing adapter (20) is connected to the combination part (2) by at least one holding blade (14, 15).,

7. Wiping device (1) according to one of claims 1 to 6, characterized in that a) the back blade (6) has at least one recess (34, 35, 36) in particular at least one at least substantially rectangular recess (34, 35, 36), and at least one further part (20, 30, 31) is connected by at least one hooking element (37, 38, 39, 40) to the back blade (6) by penetrating into a recess (34, 35, 36), and / or b) at least one recess (34, 35) is provided in the end (41, 42) of the back blade (6) considered according to the longitudinal extension (5), in particular an at least substantially rectangular recess (34, 35), and an end cap (30, 31) with which at least one hooking element (36, 37) penetrating into the recess (34, 35) is connected to the dorsal blade (6), and / or c) between the ends (41, 42) of the wiper blade (6) considered along the longitudinal extension (5), at least one recess (36) is provided, in particular at least one at least substantially rectangular recess (36), at least approximately in the middle (44) between the ends (41, 42) of the back blade (6) along the longitudinal extension (5), and a fastening adapter (20) is used for fastening to a wiper arm, with which adapter at least one hooking element (39, 40) penetrating into the recess (36) is connected to the back blade (6).

8. Wiping device (1) according to one of claims 1 to 7, characterized in that the combined part (2) slides in a limited manner along the longitudinal extension (5) relative to the back blade (6), and the sliding of the combined part (2) along the longitudinal extension (5) relative to the back blade (6) is limited at least in the end cap (30, 31) and / or which is provided at least one finishing part (50) at at least one end (41, 42) of the back blade (6).

9. Wiping device (1) according to one of claims 1 to 8, characterized in that the wiping device is at least substantially without a deflector and / or without a profile (22, 23) between a fixing adapter (20) and at least one end cap (30, 31).

10. Wiping device (1) according to claim 9, characterized in that at least one end cap (30, 31) is designed at least substantially flat on the side (21) opposite the wiping lip (4).

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