Wiper blade device, wiper blade adapter, deflector unit and window wiper

Abstract

The invention relates to a wiper device (10a, 10b) having a channel unit (14a, 14a', 14b, 14b') and at least one wiper adapter (12a, 12b), which has at least one adapter base body (16a, 16b) and which comprises at least one fluid line element (44a, 44b). It is proposed that the wiper device (10a, 10b) comprises a fluidic connection unit (28a, 64b), which is provided for establishing a fluidic flexible connection between the at least one adapter base body (16a, 16b), in particular the fluid line element (44a, 44a', 44b, 44b') of the adapter base body (16a, 16b), and the channel unit (14a, 14a', 14b, 14b').

Description

BACKGROUND

[0001] A wiper device having a channel unit and at least one wiper adapter having at least one adapter base comprising at least one fluid line element has been proposed. SUMMARY

[0002] The present invention relates to a wiper device having a channel unit and at least one wiper adapter having at least one adapter base comprising at least one fluid line element.

[0003] The present invention proposes that the wiper device comprises a fluidic connection unit which is provided for establishing a fluidic flexible connection between the at least one adapter base, in particular the fluid line element of the adapter base, and the channel unit.

[0004] The "wiper device" is preferably to be understood as at least a part, preferably a subassembly, of a wiper, in particular of a glass wiper. Preferably, the wiper device can also comprise the entire wiper, in particular the entire glass wiper. Preferably, the wiper device is provided for use on a vehicle. Preferably, the wiper device is provided, in particular as a part of a wiper, in particular of a glass wiper, for cleaning a surface, preferably a glass on a vehicle. Preferably, the wiper device is coupled to the vehicle, preferably to a wiper arm of the vehicle, for cleaning a vehicle glass. "Provided" is preferably to be understood as specifically provided, specifically designed and / or specifically equipped. An object is preferably to be understood as being provided for a specific function if the object fulfills and / or implements the specific function in at least one application and / or operating state. "Operating state" is preferably to be understood as a state in which the wiper device is ready for a wiping process and / or wiping operation and / or in which the wiping strip unit of the wiper device, in particular of the wiper, in particular of the glass wiper, is guided, preferably on a vehicle glass, and advantageously rubs against the vehicle glass.

[0005] The at least one wiper adapter is preferably configured in multiple parts. Preferably, the at least one wiper adapter comprises at least one adapter base for a pivotable connection to a wiper arm or a wiper arm adapter arranged on a wiper arm. It is conceivable that the at least one wiper adapter has at least one further component which is provided for at least partially covering the at least one adapter base.

[0006] Preferably, the adapter base has at least one connection element for the connection to a wiper arm or a wiper arm adapter arranged on a wiper arm. Preferably, the at least one connection element of the adapter base is arranged facing the outer side of the adapter base. Preferably, the at least one connection element is configured as a receiving channel, in particular with a rounded outer contour. Preferably, the at least one connection element forms an imaginary pivot axis for the pivotable connection of the at least one adapter base to a wiper arm or a wiper arm adapter arranged on a wiper arm.

[0007] Preferably, the at least one pivot axis formed by the at least one connection element is oriented at least substantially perpendicular to the longitudinal axis of the adapter base. The expression "substantially perpendicular" is preferably to be defined as an orientation of a direction relative to a reference direction, wherein the direction and the reference direction (in particular viewed in a projection plane) enclose an angle of 90° and the angle has a maximum deviation of in particular less than 8°, advantageously less than 5° and particularly advantageously less than 2°.

[0008] Preferably, the transverse axis of the adapter base, in particular of the adapter fitting, extends parallel to the pivot axis formed by the at least one connection element.

[0009] Preferably, the channel unit is at least one channel-like recess and / or at least one channel delimited by a hose-like and / or at least one tubular element, wherein the channel-like recess and / or the channel delimited by the hose-like and / or tubular element is provided for guiding a fluid, preferably a wiping liquid. Optionally, the channel unit can comprise a hose and / or a tube which delimits the at least one channel-like recess. The channel unit can be delimited by a delimiting unit which is preferably an outer hose / tube, a deflector plate unit and / or a wiper strip unit. Preferably, the channel unit has at least one fluid output element for forming a spraying function.

[0010] Preferably, the channel unit is integrated into the deflector unit. Alternatively, the channel unit can be fixed on the outside of the deflector unit, for example as a hose and / or tube, in particular by means of a snap connection and / or an adhesive connection and / or a welded connection. Preferably, the at least one deflector unit comprises at least two spoiler elements. Preferably, at least one section of the channel unit is arranged on one of the at least two spoiler elements, respectively. Preferably, at least one channel opening of the channel unit is arranged at one end of the maximum longitudinal extension of each of the at least two spoiler elements, respectively. The "longitudinal extension" of an object is preferably to be understood as the extension of the object in the direction of the longitudinal axis of the object. The "longitudinal axis" of an object is preferably to be understood as an axis which extends parallel to the longest edge of a smallest imaginary parallelepiped which just completely encloses the object. Preferably, the longitudinal axis extends through the geometric center of the smallest imaginary parallelepiped. The "transverse axis" of an object is preferably to be understood as an axis which extends perpendicular to the longitudinal axis of the object.

[0011] Preferably, the deflector unit is fluidically connected to the adapter base by means of a fluidic connection unit. Preferably, the channel unit integrated into the deflector unit is fluidically connected to the fluid line element of the adapter base by means of a fluidic connection unit. The at least one fluid line element can preferably be configured as a cavity, in particular a channel, integrated into the adapter base, or as a hose arranged on the adapter base and / or as a tube.

[0012] The "flexible connection" of two objects by means of a connection unit is preferably to be understood as a connection in which the two objects can move relative to one another and which preferably makes at least substantially unrestricted consequences possible for the two objects that the blade is flexibly bendable by the spring force of the spring rail. Preferably, the flexible connection is here in particular not only realizable by means of a movable joint but also by means of a defined elasticity of the material and / or the component. Preferably, the connection unit is provided for realizing a relative mobility of the two objects connected by means of the connection unit to one another, independently of the elasticity of the objects themselves. Preferably, the ends facing one another of the objects connected by means of the connection unit are embodied moveable relative to one another by means of the flexible connection realized by means of the connection unit. The fluidic connection unit is preferably provided for realizing a movement clearance, in particular an offset clearance, of the deflector unit relative to the blade adapter, in particular the adapter base, when the deflector unit is fluidically connected to the blade adapter, in particular the adapter base. In particular, the fluidic connection unit is provided for realizing a movement clearance, in particular an offset clearance, of the entire deflector unit relative to the entire blade adapter, in particular the adapter base.

[0013] The fluidic connection unit is arranged at least partially between the deflector unit, in particular the spoiler element, and the wiper blade adapter, in particular the adapter base. Preferably, the fluidic connection unit is at least partially integrated into the deflector unit, in particular the at least one spoiler element, or is fixed on the deflector unit, in particular the at least one spoiler element. Preferably, the fluidic connection unit is at least partially integrated into the at least one wiper blade adapter, in particular the at least one adapter base, or is fixed on the wiper blade adapter, in particular the at least one adapter base. Optionally, the fluidic connection unit is composed of at least two fluidic sub-connection units. The at least two sub-connection units are optionally configured analogously to one another.

[0014] By the design of the wiper device according to the application it is possible to achieve an advantageously movable arrangement, in particular a connection, of the component defining or fixing the channel unit on / with the wiper adapter. In particular, an advantageously large movement clearance of the deflector unit of the wiper with spray function can be achieved. In particular, the wiper can be equipped with an advantageously large flexibility in the region between the wiper adapter and the channel unit. A wiper can be configured which advantageously follows the curved course of the glass to be wiped in the region of the wiper adapter. In particular, it is possible to achieve that the connection of the wiper adapter to the deflector unit advantageously imparts a small bending resistance to the wiper. An advantageously small bending stiffness of the wiper can be achieved. In particular, an advantageously uniform wiping quality criterion, in particular of the wiper with spray function, can be achieved. An advantageously good wiping quality can be ensured. It is further proposed that the wiper device has at least one, in particular the already mentioned, deflector unit and / or wiper strip unit, which is fluidically connected to at least one adapter base body by means of a fluidic connection unit, wherein the at least one deflector unit and / or wiper strip unit is arranged spaced apart from the at least one adapter base body. Preferably, the channel unit is at least partially integrated into the wiper strip unit. The wiper strip unit preferably has a wiper strip base body with a wiper lip composed of at least one elastic material, such as a material with an elastomer component. Preferably, the at least one channel unit, in particular the deflector unit, in particular the spoiler element of the deflector unit, and / or the at least one wiper strip unit is arranged spaced apart from the wiper adapter, in particular the at least one adapter base body, by at least 0.1 cm, preferably at least 0.25 cm, particularly preferably at least 0.5 cm. Preferably, the at least one deflector unit, in particular the spoiler element of the deflector unit, and / or the at least one wiper strip unit is arranged spaced apart from the wiper adapter, in particular the adapter base body, in the direction of the longitudinal axis of the wiper adapter, in particular in the direction of the longitudinal axis of the deflector unit or the wiper strip unit. An advantageous spacing between the deflector unit and the wiper adapter can be achieved for achieving a movement clearance of the deflector unit relative to the wiper adapter.

[0015] It is furthermore proposed that the fluidic connection unit is designed to enable a flexible, connected movement freedom of the at least one adapter base, in particular of the fluid line element of the adapter base, and of the channel unit, at least up to an angular orientation of the longitudinal axis of the channel unit relative to the longitudinal axis of the adapter base, in particular of the fluid line element of the adapter base, of at least 2°, in particular of at least 5°. Preferably, the connected movement freedom of the channel unit and the adapter base, in particular of the fluid line element, can be measured as an angle of the longitudinal axis of the channel unit relative to the longitudinal axis of the adapter base, in particular of the fluid line direction, in particular of the longitudinal axis of the fluid line element. Preferably, the fluidic connection unit enables a flexible, connected movement freedom of the channel unit, in particular of the deflector unit, in particular of the spoiler element of the deflector unit, and / or of the at least one wiper strip unit and the wiper blade adapter, in particular of the adapter base, in particular of the fluid line element of the adapter base, with an angular orientation of the longitudinal axis of the channel unit relative to the longitudinal axis of the adapter base, in particular of the longitudinal axis of the fluid line element of the adapter base, of at least 2°, in particular of at least 5°, preferably of at least 10°, particularly preferably of at least 20° and quite particularly preferably of at least 30° in at least one direction. Preferably, the fluidic connection unit enables a pivoting of the at least one channel unit relative to the adapter base, in particular relative to the fluid line element. An advantageously large movement clearance between the channel unit and the wiper blade adapter, in particular between the fluid input line, can be achieved. An advantageously adaptable wiper blade can be achieved. An advantageously versatile wiper blade, in particular for use on differently shaped glasses, can be achieved. The deflector unit can advantageously be moved relative to the wiper blade adapter. The bending stiffness of the wiper blade is thereby advantageously reduced.

[0016] It is further proposed that the connection unit of the fluid comprises at least two support elements which are movable relative to one another by means of a support surface. Preferably, the at least two support elements together form a support and / or a joint. Preferably, the at least two support elements are provided as a fluid line. Preferably, the at least two support elements define at least one fluid channel. Preferably, at least one of the support elements is arranged at least partially and preferably at least predominantly in the wiper blade adapter, in particular in the adapter base. Alternatively or additionally, at least two of the support elements are arranged at least partially and preferably at least predominantly in the deflector plate unit and / or the wiper strip unit. Optionally, at least two of the support elements are arranged at least partially and preferably at least predominantly between the wiper blade adapter and the deflector plate unit. Preferably, at least one end part of at least one fluid line element of the adapter base is supported movably relative to the adapter base by means of the at least two support elements. Alternatively or additionally, at least one end part of at least one channel unit is supported movably relative to the component defining the channel unit by means of the at least two support elements. Optionally, at least two of the support elements are arranged at least partially and preferably at least predominantly between the wiper blade adapter and the wiper strip unit. Optionally, at least one of the at least two support elements can be arranged at least partially and preferably at least predominantly outside the wiper blade adapter, the deflector plate unit and / or the wiper strip unit. Optionally, the connection unit of the fluid can construct a fluid line, in particular a fluid channel, such as a hose, next to the at least two support elements. Preferably, the at least two support elements together form a rotational joint, such as a hinge or a ball joint. Preferably, at least one of the two support elements has a connecting protrusion for connecting to a fluid line element. An advantageously space-saving connection unit of the fluid can be realized. An advantageously robust connection unit of the fluid can be realized.

[0017] It is further proposed that the at least two support elements are at least partially configured as at least one ball joint. Preferably, the at least two support elements configured as ball joints are provided as an integrated fluid line. Preferably, the at least two support elements define a fluid channel in their interior. Preferably, at least one of the support elements is configured as a joint head.

[0018] Preferably, at least one of the support elements is configured as a joint socket. Preferably, at least one of the at least two support elements is at least substantially not movably configured relative to the adapter base, in particular relative to a fluid line element. Optionally, at least one of the at least two support elements can be arranged at least substantially immovably relative to a channel unit, in particular relative to a wiper strip unit and / or a deflector plate unit. An advantageous movability in a plurality of spatial directions can be realized, in particular wherein the movability is not limited to a plane.

[0019] It is further proposed that the fluidic connection unit of the fluid is at least partially configured as an end piece of at least one fluid line element of the adapter base body, wherein the end piece is configured as a movably supported fluidic connection protrusion and / or as a movably supported fluidic connection receptacle. Preferably, at least one end piece of at least one fluid line element is oriented as a fluidic connection protrusion in a direction parallel to the longitudinal axis of the squeegee adapter. Alternatively, at least one end piece of at least one fluid line element can be configured as a fluidic connection receptacle, in particular as a fluidic connection receptacle constituting an opening on the adapter base body. Preferably, the end piece, in particular the opening, is provided for fluid output, preferably to a further component. Preferably, at least one end piece of at least one fluid line element has an opening that is oriented in a direction parallel to the longitudinal axis of the squeegee adapter. Preferably, the longitudinal axis of the squeegee adapter, in particular of the adapter base body, is oriented parallel to the longitudinal axis of the channel unit, in particular of the squeegee strip unit, in particular of the deflector plate unit. Alternatively, at least one fluidic connection unit can alternatively or additionally be configured as an end piece of at least one channel unit. At least one end piece of a channel unit can be configured as a fluidic connection protrusion. Preferably, at least one end piece of a channel unit is configured as a fluidic connection receptacle, in particular as a channel opening. An advantageously easy-to-manufacture plug connection of the channel unit to the fluidic connection unit and / or the squeegee adapter, in particular the adapter base body, can be achieved.

[0020] It is further proposed that the fluidic connection unit has at least one fluidic connection element, which is composed of a flexible material, in particular of a material having at least one elastomer, and / or which is flexibly supported on the wiper blade adapter. Preferably, the at least one fluidic connection element of the fluidic connection unit is provided as a fluid line. In particular, the at least one connection element defines at least one fluid channel. Preferably, the at least one fluidic connection element is composed of a material having at least one elastomer, like for example plastic and / or rubber. Preferably, the at least one fluidic connection element is connected with the channel unit, in particular with the deflector plate unit and / or with the wiper strip unit. Preferably, the at least one fluidic connection element is connected with the wiper blade adapter, in particular with the adapter base body, in particular with the fluid line element. Preferably, the at least one fluidic connection element is at least partially, and preferably at least predominantly, configured as a hose and / or a tube. Preferably, the at least one fluidic connection element is composed of at least one material having a maximum, preferably less than 70, Shore hardness A. Preferably, the at least one fluidic connection element is composed of at least one plastic and / or rubber, which has a maximum, preferably less than 70, Shore hardness A. Alternatively or additionally, the at least one fluidic connection element can be flexibly, in particular movably, supported on the wiper blade adapter. In particular, the movability of the fluidic connection element relative to the adapter base body can be achieved by the flexible material. Optionally, the at least one fluidic connection element can be flexibly, in particular movably, supported on the deflector plate unit and / or on the wiper strip unit. An advantageously fluidically movable connection can be established by the fluidic connection unit.

[0021] It is further proposed that the at least one fluidic connection element composed of a flexible material is integrally configured with the at least one adapter base body, in particular with at least one fluid line element of the adapter base body. Alternatively or additionally, the at least one fluidic connection element is integrally configured with the channel unit, in particular with the deflector plate unit and / or with the wiper strip unit. An advantageously firm connection of the fluid line element with the channel unit can be achieved by the fluidic connection unit. An advantageously esthetically pleasing connection of the fluid line element with the channel unit can be achieved by the fluidic connection unit. An advantageously flush connection of the fluid line element with the channel unit can be achieved by the fluidic connection unit.

[0022] It is further proposed that the end piece of the fluidic connection unit, in particular of the fluid line element of the adapter base, which is formed by the fluidic connection unit, is at least partially composed of at least one different material, in particular of a material having a smaller hardness than the at least one adapter base, in particular than the at least one fluid line element of the adapter base. Preferably, the end piece of the fluid line element of the adapter base, which is formed by the fluidic connection unit, is at least partially and preferably mostly composed of a material having a hardness of Shore A of less than 70, like for example plastic and / or rubber. Alternatively, the end piece of the channel unit, which is formed by the fluidic connection unit, is at least partially and preferably mostly composed of a material having a hardness of Shore A of less than 70, like for example plastic and / or rubber. An advantageous movability of the fluidic connection unit, in particular of the connection of the fluid line element with the channel unit in the vicinity of the squeegee adapter, in particular of the adapter base and / or of the squeegee strip unit, in particular of the deflector unit, can be achieved.

[0023] It is further proposed a squeegee adapter of a squeegee device according to the present application.

[0024] It is further proposed a deflector unit of a squeegee device according to the present application.

[0025] It is further proposed a glass squeegee having a squeegee and at least one squeegee device according to the present application arranged on the squeegee. Preferably, the squeegee comprises at least one squeegee strip unit, in particular having a squeegee lip. Preferably, the squeegee comprises at least one spring rail. Preferably, the squeegee comprises at least two squeegee end caps. Preferably, the glass squeegee comprises at least one squeegee arm. Preferably, the glass squeegee comprises at least one squeegee arm adapter. Preferably, the glass squeegee comprises at least one fluid input line. A glass squeegee can be configured which advantageously has components which are coordinated with each other, in particular for squeegeeing a glass with a channel unit which is fixed on the outside of a deflector unit and / or at least partially integrated into a deflector unit.

[0026] The squeegee device according to the present application, the squeegee adapter according to the present application, the deflector unit according to the present application and / or the glass squeegee according to the present application shall not be limited to the above-mentioned applications and embodiments here. In particular, the squeegee device according to the present application, the squeegee adapter according to the present application, the deflector unit according to the present application and / or the glass squeegee according to the present application can have a different number of the respective elements, components and units mentioned here in order to meet the functional embodiments described here. Furthermore, values within the value ranges given in the present disclosure shall also be considered as disclosed and arbitrarily usable within the mentioned limits. BRIEF DESCRIPTION OF DRAWINGS

[0027] Further advantages are given by the following figure explanations. Two embodiments of the application are shown in the figures. The figures, the description and the claims contain a plurality of features in combination. A person skilled in the art can also consider these features individually and in combination to meaningful further combinations, appropriately. Among others, it is shown:

[0028] Figure 1 A case of a wiper device according to the application is shown in a non-offset state with a glass wiper according to the application,

[0029] Figure 2 A wiper device according to the application is shown in a schematic view,

[0030] Figure 3 An alternative wiper device according to the application is shown in a schematic view, and

[0031] Figure 4 An alternative wiper device according to the application is shown in a schematic view. DETAILED DESCRIPTION

[0032] Figure 1 A glass wiper 54a with a wiper blade 56a and at least one wiper device 10a arranged on the wiper blade 56a is shown. A deflector unit 30a of the wiper device 10a is arranged on the wiper blade 56a. The wiper blade 56a comprises a wiper strip unit 20a. The wiper strip unit 20a has a wiper lip 22a. The wiper blade 56a has two wiper blade end caps 18a, 18a´.

[0033] The wiper device 10a comprises two channel units 14a, 14a´. The wiper device 10a comprises at least one wiper blade adapter 12a. The wiper blade adapter 12a has at least one adapter base body 16a. The adapter base body 16a comprises at least one fluid line element 44a, 44a´. The adapter base body 16a comprises two fluid line elements 44a. The two fluid line elements 44a, 44a´ can be fluidically connected.

[0034] In particular, Figure 1 A deflector unit 30a of the wiper device 10a is shown. The deflector unit 30a comprises two spoiler elements 24a, 24a´.

[0035] The wiper device 10a comprises at least one deflector unit 30a. The at least one deflector unit 30a is arranged spaced apart from the at least one adapter base body 16a. The wiper device 10a comprises at least one wiper strip unit 20a. The at least one wiper strip unit 20a is arranged spaced apart from the at least one adapter base body 16a.

[0036] The wiper blade arrangement 10a comprises a fluidic connection unit 28a. The fluidic connection unit 28a is provided for establishing a fluidic flexible connection between at least one adapter base body 16a, in particular a fluid line element 44a of the adapter base body 16a, and a channel unit 14a, 14a'. The deflector unit 30a is fluidically connected with the at least one adapter base body 16a by means of the fluidic connection unit 28a.

[0037] Figure 2 In particular, a wiper blade adapter 12a of the wiper blade arrangement 10a is shown. The channel units 14a, 14a' are integrated into the deflector unit 30a. Each of the channel units 14a, 14a' comprises two fluid channels 60a, 60a', 60a", 60a'" in the deflector unit 30a. Each two of the four fluid channels 60a, 60a', 60a", 60a'" are arranged in each of the two spoiler elements 24a, 24a'.

[0038] The wiper blade adapter 12a has a connection element 38a. The connection element 38a is provided for receiving a pin element. The connection element 38a is provided for pivotably connecting the wiper arm adapter with a wiper arm or with a wiper arm adapter arranged on a wiper arm. The connection element 38a constitutes a pivot axis 40a. The connection element 38a is in particular configured separately from the adapter base body 16a. The connection element 38a is in particular connected with, in particular screwed together with, the adapter base body 16a.

[0039] The fluidic connection unit 28a has at least one fluid connection element 26a, 26a', 26a", 26a'". The at least one fluid connection element 26a, 26a', 26a", 26a'" is configured as a hose. The fluid connection element 26a, 26a', 26a", 26a'" is at least partially composed of a flexible material, in particular of a material having at least one elastomer. The fluid connection element 26a, 26a', 26a", 26a'" is at least partially composed of at least one different material, in particular of a material having a lower hardness than the adapter base body 16a, in particular than the fluid line element 44a, 44a'. The fluid connection element 26a, 26a', 26a", 26a'" is composed of rubber and / or plastic, for example.

[0040] Optionally, the fluidic connection unit 28a can be at least partially configured as an end piece 34a, 34a', 36a, 36a' of at least one fluid line element 44a, 44a' of the adapter base body 16a.

[0041] In particular, the end pieces 34a, 34a', 36a, 36a' of the fluid line elements 44a, 44a' of the adapter base body 16a, which are formed by the fluid- passing connection units 28a, are configured as fluid connection protrusions 58a, 58a', 58a", 58a'". The hose, in particular the fluid connection element 26a, 26a', 26a", 26a'", in particular fluid-tight, can be plugged via or into the fluid connection protrusions. In Figure 2 In the example shown, the end pieces 34a, 34a', 36a, 36a' of the fluid line elements 44a, 44a' of the adapter base body 16a, which are formed by the fluid- passing connection units 28a, are configured as fluid connection protrusions 58a, 58a', 58a", 58a'". Alternatively, but not shown, the end pieces 34a, 34a', 36a, 36a' of the fluid line elements 44a, 44a' of the adapter base body 16a, which are formed by the fluid- passing connection units 28a, are configured only as fluid connection receptacles, which can in particular be composed of a flexible material.

[0042] The at least one fluid connection element 26a, 26a', 26a", 26a'" is connected to the fluid line element 44a, 44a' by plug-in connection. The at least one fluid connection element 26a, 26a', 26a", 26a'" is connected to the channel unit 14a, 14a', in particular to the fluid channel 60a, 60a', 60a", 60a'", by plug-in connection. The at least one fluid connection element 26a, 26a', 26a", 26a'" is plugged into the channel unit 14a, 14a', in particular into the fluid channel 60a, 60a', 60a", 60a'". The at least one fluid connection element 26a, 26a', 26a", 26a'" is plugged by at least one end piece 34a, 34a', 36a, 36a', which is in particular configured as at least one fluid connection protrusion 58a, 58a', 58a", 58a'". The at least one fluid connection element 26a, 26a', 26a", 26a'" composed at least partially of a flexible material is integrally, preferably adhesively, configured with the at least one fluid line element 44a, 44a' of the at least one adapter base body 16a. Alternatively, the at least one fluid connection element 26a, 26a', 26a", 26a'" can be connected to the at least one end piece 34a, 34a', 36a, 36a' materially, in particular integrally, for example by a welded connection, in particular an ultrasonic welded connection.

[0043] At least one fluidic connection unit 28a of the fluidic line element 44a, 44a' of the adapter base body 16a, in particular an end piece 34a, 34a', 36a, 36a' composed of the fluidic connection unit 28a, is at least partially composed of at least one different material, in particular of a material having a smaller hardness than at least one adapter base body 16a, in particular than the at least one fluidic line element 44a, 44a' of the adapter base body 16a.

[0044] At least one fluidic connection unit 28a of the fluidic line element 44a, 44a' of the adapter base body 16a, in particular an end piece 34a, 34a', 36a, 36a' composed of the fluidic connection unit 28a, is integrally configured with at least one adapter base body 16a, in particular with the at least one fluidic line element 44a, 44a' of the adapter base body 16a.

[0045] The fluidic connection unit 28a is configured to enable a flexible connection of at least one adapter base body 16a, in particular of the fluidic line element 44a, 44a' of the adapter base body 16a, to the longitudinal axis 48a, 48a' of the channel unit 14a, 14a' at least up to an angular orientation of the longitudinal axis 48a, 48a' of the channel unit 14a, 14a' relative to the longitudinal axis 50a of the adapter base body 16a, in particular of the fluidic line element 44a, 44a' of the adapter base body 16a, of at least 2°, in particular of at least 5°.

[0046] The longitudinal axis 50a of the adapter base body 16a, in particular the longitudinal axis 50a of the fluidic line element 44a, 44a' of the adapter base body 16a, is oriented parallel to the longitudinal axis 48a, 48a' of the channel unit 14a, 14a' in an unbiased state (Fig. 1) Figure 1 , for example in the case of lying against a flat pane.

[0047] The fluidic connection unit 28a enables an orientation of the longitudinal axis 48a, 48a' of the channel unit 14a, 14a', in particular of the fluidic channel 60a, 60a', 60a'', 60a''' of the channel unit 14a, 14a', relative to the longitudinal axis 50a of the adapter base body 16a of at least up to a minimum angle 52a, 52a' of at least 2°. The fluidic connection unit 28a enables an orientation of the longitudinal axis 48a, 48a' of the channel unit 14a, 14a', in particular of the fluidic channel 60a, 60a', 60a'', 60a''' of the channel unit 14a, 14a', relative to the longitudinal axis 50a of the adapter base body 16a of at least up to a minimum angle 52a, 52a' of at least 5°. In particular, the fluidic connection unit 28a enables an orientation of the longitudinal axis 48a, 48a' of the channel unit 14a, 14a' relative to the longitudinal axis 50a of the adapter base body 16a of at least up to a minimum angle 52a, 52a' of at least 30°.

[0048] The fluid connection unit 28a is configured to reduce the bending stiffness of the wiper blade 56a. The wiper blade assembly 10a can be used as part of a windshield wiper, particularly on the driver's and passenger's sides, or as part of a rear windshield wiper, and is configured to spray wiping fluid from the wiper blade 56a.

[0049] To distribute the scraping liquid from the scraper adapter 12a toward the scraper end caps 18a, 18a', a fluid connection and a mechanical connection are constructed through the fluid connection unit 28a. This design of the scraper device 10a enables a flexible connection between the scraper adapter 12a and the guide vane unit 30a or the scraper strip unit 20a.

[0050] The spoiler elements 24a, 24a' are movably constructed relative to the scraper adapter 12a, wherein the relative movability of the scraper 56a is weakened. The spring rail of the scraper 56a is constructed so as not to be affected by the fluid connection unit 28a in its mode of operation.

[0051] Optionally, the end parts 34a, 34a', 36a, 36a' formed by the fluid conduit elements 44a, 44a' of the adapter base 16a, which are connected by a fluid-passing connection unit 28a, can be configured as fluid connection receiving portions 46a, 46a', 46a'', 46a''', especially as openings of fluid channels 60a, 60a', 60a'', 60a''', into which a flexible hose can be inserted.

[0052] exist Figure 3 and Figure 4 Another embodiment of the invention is illustrated below. The following description and drawings are limited to primarily describing the differences between the embodiments, wherein references to components with the same designations, particularly those having the same reference numerals, may also be made in principle to other embodiments, especially the accompanying drawings. Figures 1 to 2 The accompanying drawings and / or descriptions of the embodiments are provided. To distinguish these embodiments, the letter 'a' is placed... Figure 1 and 2 The figures in the embodiments are placed after the reference numerals. Figure 3 and Figure 4 In one embodiment, the letter 'a' is replaced by the letter 'b'.

[0053] exist Figure 3 The image shows a scraper device 10b. Exemplarily, Figure 3 The diagram schematically illustrates a flexible fluid connection from the scraper adapter 12b, and in particular the adapter base 16b, to the channel unit 14b, which is implemented via a fluid connection unit 64b.

[0054] The defining unit 32b is fluidically connected with at least one adapter base body 16b, in particular with a fluid line element 44b of the adapter base body 16b, by means of a fluidic connection unit 64b. The defining unit 32b can be configured as a deflector unit, in particular as a spoiler element. The defining unit 32b can alternatively be configured as a wiper strip unit.

[0055] The fluidic connection element 26b, in particular the fluidic connection element of the fluidic connection unit 64b, is flexibly, preferably movably, supported on the wiper adapter 12b, in particular on the adapter base body 16b.

[0056] The fluidic connection unit 64b comprises two support elements 42b, 42b' which are movable relative to each other by means of a support surface. The two support elements 42b, 42b' are configured as a ball joint.

[0057] The adapter base body 16b is configured as a hollow body. The support elements 42b, 42b' are integrated into the adapter base body 16b. Alternatively, the support elements 42b, 42b' can be integrated into the defining unit 32b or arranged therebetween. The fluidic connection element 26b of the fluidic connection unit 64b is configured as a fluidic connection protrusion 58b, in particular with respect to the adapter base body 16b.

[0058] The fluidic connection unit 64b is at least partially configured as an end piece 34b of at least one fluid line element 44b of the adapter base body 16b. The support elements 42b, 42b' are in particular configured as end pieces 34b of the fluid line element 44b. The end piece 34b is configured as a movably supported fluidic connection protrusion 58b.

[0059] The two support elements 42b, 42b' are provided for movably supporting the fluidic connection element 26b of the fluidic connection unit 64b. The support element 42b is configured as a socket. The support element 42b' is configured as a joint head.

[0060] The fluidic connection element 26b of the fluidic connection unit 64b is integrally configured with the support element 42b'. The fluidic connection element 26b of the fluidic connection unit 64b is configured in one piece, preferably manufactured in one piece, with the support element 42b'.

[0061] In particular, by manufacturing the fluidic connection element 26b from a flexible material, an additional movability of the fluidic connection element 26b can be achieved.

[0062] The support elements 42b, 42b' together form an end piece 34b of the fluid line element 44b as a ball joint. The support elements 42b, 42b' are provided as an especially integrated fluid line. The ball joint constituted by the support elements 42b, 42b' is provided as an especially integrated fluid line. The defining unit 32b is connected to the movably supported fluid connection protrusion 58b, especially the end piece 36b, especially by a plug connection, especially directly.

[0063] The adapter base body 16b is flexible, preferably movable, with respect to the channel unit 14b in order to orient the longitudinal axis 50b of the adapter base body 16b at an angle 52b of at least 10° with respect to the longitudinal axis 48b of the channel unit 14b.

[0064] The wiper device 10b is shown in Figure 4 The wiper device 10b is shown in Figure 4 Another flexible fluid connection from the wiper adapter 12b, especially the adapter base body 16b, to the channel unit 14b, especially arranged on another fluid channel 60b' of the channel unit 14b, is shown in Figure 3 The defining unit 32b is fluidically connected to at least one adapter base body 16b, especially the fluid line element 44b' of the adapter base body 16b, by the fluidic connection unit 64b. The defining unit 32b can be configured as a deflector unit, especially a spoiler element. The defining unit 32b can alternatively be configured as a wiper strip unit.

[0065] The fluidic connection element 26b' of the fluidic connection unit 64b is flexibly, preferably movably, supported on the wiper adapter 12b, especially on the adapter base body 16b.

[0066] The fluidic connection unit 64b comprises two support elements 62b, 62b' which are movable with respect to each other by a support surface. The two support elements 62b, 62b' are configured as a ball joint. The support element 62b is configured as a socket. The support element 62b' is configured as a ball head.

[0067] The support elements 62b, 62b' together form an end piece 34b' of the fluid line element 44b' as a ball joint.

[0068] The two support elements 62b, 62b' are provided for movably supporting the fluidic connection element 26b' of the fluidic connection unit 64b.

[0069]

[0070] ​The fluid connection element 26b' is configured as a hose. The fluid connection element 26b' of the fluidic connection unit 64b is configured adhesively with the support element 62b'.

[0071] The additional movability of the fluid connection element 26b', in particular, can be achieved by manufacturing the fluid connection element 26b' from a flexible material.

[0072] The support element 62b, 62b' is provided as an integrated fluid line. The ball joint constituted by the support element 62b, 62b' is provided as an integrated fluid line.

[0073] The delimitation unit 32b is connected, in particular directly, with the movably supported fluid connection element 26b' by means of a plug connection.

[0074] The support element 62b' of the end piece 34b' configured as a fluid connection receptacle 46b and forming a fluid line element 44b' is directly fluidically connected with the movably supported fluid connection element 26b'.

[0075] It is technically unproblematic to achieve that the fluidic connection unit 64b only constitutes the connection from the wiper blade adapter 12b to the delimitation unit 32b shown in Figure 3 or Figure 4

[0076] The adapter base body 16b is flexible, preferably movable, relative to the channel unit 14b in order to orient the longitudinal axis 50b of the adapter base body 16b at an angle of at least 30° relative to the longitudinal axis 48b of the channel unit 14b.​

Claims

1. A scraper device comprising channel units (14a, 14b) and at least one scraper adapter (12a, 12b), said scraper adapter having at least one adapter base (16a, 16b), said adapter base including at least one fluid conduit element (44a, 44b), characterized in that, A fluid connection unit (28a, 64b) is provided, which is configured to form a flexible fluid connection between the at least one adapter base (16a, 16b) and the channel unit (14a, 14a', 14b, 14b'), wherein the at least one fluid conduit element (44a, 44b) is constructed as a cavity integrated into the adapter base (16a, 16b).

2. The scraping blade device according to claim 1, characterized in that, The device includes at least one guide vane unit (30a, 30b) and / or a scraper strip unit (20a, 20b), which are fluidly connected to at least one adapter base (16a, 16b) via a fluid connection unit (28a, 64b), wherein the at least one guide vane unit (30a, 30b) and / or a scraper strip unit (20a, 20b) are arranged at intervals from the at least one adapter base (16a, 16b).

3. The scraping blade device according to claim 1 or 2, characterized in that, The fluid connection units (28a, 64b) are configured to achieve a flexible connection between the at least one adapter base (16a, 16b) and the channel unit (14a, 14a', 14b, 14b'), with at least 2° of angular orientation of the longitudinal axis (48a, 48a', 48b) of the channel unit (14a, 14a', 14b, 14b') relative to the longitudinal axis (50a, 50b) of the adapter base (16a, 16b).

4. The scraping blade device according to claim 1 or 2, characterized in that, The fluid connection unit (64b) includes at least two support elements (42b, 42b', 62b, 62b') that are movable relative to each other via the support surface.

5. The scraping blade device according to claim 4, characterized in that, At least two support elements (42b, 42b', 62b, 62b') are at least partially configured as at least one ball joint.

6. The scraping blade device according to claim 4, characterized in that, The fluid connection unit (64b) is at least partially configured as an end part (34b, 34b') of at least one fluid conduit element (44b, 44b') of the adapter base (16b), wherein the end part (34b, 34b') is configured as a fluid connection protrusion (58b) that can be movably supported and / or configured as a fluid connection receptacle (46b) that can be movably supported.

7. The scraping blade device according to claim 1 or 2, characterized in that, The fluid connection unit (28a, 64b) has at least one fluid connection element (26a, 26a', 26a'', 26a''', 26b, 26b'), which is at least partially made of a flexible material and / or is flexibly supported on the scraper adapter (12a, 12b).

8. The scraper device according to claim 7, characterized in that, The fluid connection elements (26a, 26a', 26a'', 26a''', 26b, 26b'), which are at least partially made of flexible material, are integrally constructed with the at least one adapter base (16a, 16b).

9. The scraping blade device according to claim 1 or 2, characterized in that, The at least one fluid connection unit (28a, 64b) is at least partially made of at least one material different from the at least one adapter base (16a, 16b).

10. The scraping blade device according to claim 1, characterized in that, The fluid connection units (28a, 64b) are configured to form a flexible fluid connection between the fluid piping elements (44a, 44a', 44b, 44b') of the adapter base (16a, 16b) and the channel units (14a, 14a', 14b, 14b').

11. The scraping blade device according to claim 3, characterized in that, The fluid connection units (28a, 64b) are configured to achieve a flexible connection between the at least one adapter base (16a, 16b) and the channel unit (14a, 14a', 14b, 14b'), with at least 5° of angular freedom of motion up to the longitudinal axis (48a, 48a', 48b) of the channel unit (14a, 14a', 14b, 14b') relative to the longitudinal axis (50a, 50b) of the adapter base (16a, 16b).

12. The scraping blade device according to claim 3, characterized in that, The fluid connection units (28a, 64b) are configured to achieve a flexible connection between the fluid conduit elements (44a, 44b) of the adapter base (16a, 16b) and the channel units (14a, 14a', 14b, 14b'), with at least 2° of angular freedom of motion relative to the longitudinal axis (48a, 48a', 48b) of the channel units (14a, 14a', 14b, 14b') and the longitudinal axis (50a, 50b) of the fluid conduit elements (44a, 44a', 44b, 44b') of the adapter base (16a, 16b).

13. The scraping blade device according to claim 12, characterized in that, The fluid connection units (28a, 64b) are configured to achieve a flexible connection between the fluid conduit elements (44a, 44b) of the adapter base (16a, 16b) and the channel units (14a, 14a', 14b, 14b'), with at least 5° of angular freedom of motion for the longitudinal axis (48a, 48a', 48b) of the channel units (14a, 14a', 14b, 14b') relative to the longitudinal axis (50a, 50b) of the fluid conduit elements (44a, 44a', 44b, 44b') of the adapter base (16a, 16b).

14. The scraping blade device according to claim 7, characterized in that, The fluid connection elements (26a, 26a', 26a'', 26a''', 26b, 26b') are at least partially made of a material having at least one elastomer.

15. The scraping blade device according to claim 8, characterized in that, The fluid connection elements (26a, 26a', 26a'', 26a''', 26b, 26b') are integrally constructed with at least one fluid conduit element (44a, 44a', 44b, 44b') of the adapter base (16a, 16b).

16. The scraping blade device according to claim 9, characterized in that, The at least one fluid connection unit (28a, 64b) is at least partially made of at least one different material having a lower hardness than the at least one adapter substrate (16a, 16b).

17. The scraper device according to claim 9, characterized in that, The at least one fluid connection unit (28a, 64b) is at least partially made of at least one material different from at least one fluid piping element (44a, 44a', 44b, 44b') of the adapter base (16a, 16b).

18. The scraping blade device according to claim 9, characterized in that, The at least one fluid connection unit (28a, 64b) is at least partially made of at least one different material having a lower hardness than at least one fluid conduit element (44a, 44a', 44b, 44b') of the adapter base (16a, 16b).

19. A scraper adapter for the scraper device (10a, 10b) according to any one of the preceding claims.

20. The deflector unit of the scraper device (10a, 10b) according to any one of claims 1 to 18.

21. A glass scraper having scraper blades (56a, 56b) and at least one scraper blade device (10a, 10b) arranged on the scraper blades (56a, 56b) according to any one of claims 1 to 18.

Images