Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
  • B60S1/00—Cleaning of vehicles
  • B60S1/02—Cleaning windscreens, windows or optical devices
  • B60S1/04—Wipers or the like, e.g. scrapers
  • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
  • B60S1/38—Wiper blades
  • B60S1/3803—Wiper blades heated wiper blades
  • B60S1/3805—Wiper blades heated wiper blades electrically
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
  • B60S1/00—Cleaning of vehicles
  • B60S1/02—Cleaning windscreens, windows or optical devices
  • B60S1/04—Wipers or the like, e.g. scrapers
  • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
  • B60S1/38—Wiper blades
  • B60S1/3806—Means, or measures taken, for influencing the aerodynamic quality of the wiper blades
  • B60S1/381—Spoilers mounted on the squeegee or on the vertebra
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
  • B60S1/00—Cleaning of vehicles
  • B60S1/02—Cleaning windscreens, windows or optical devices
  • B60S1/04—Wipers or the like, e.g. scrapers
  • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
  • B60S1/38—Wiper blades
  • B60S1/3848—Flat-type wiper blade, i.e. without harness
  • B60S1/3874—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra
  • B60S1/3875—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section
  • B60S1/3879—Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section placed in side grooves in the squeegee
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
  • B60S1/00—Cleaning of vehicles
  • B60S1/02—Cleaning windscreens, windows or optical devices
  • B60S1/04—Wipers or the like, e.g. scrapers
  • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
  • B60S1/38—Wiper blades
  • B60S2001/3827—Wiper blades characterised by the squeegee or blade rubber or wiping element
  • B60S2001/3836—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by cross-sectional shape
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
  • B60S1/00—Cleaning of vehicles
  • B60S1/02—Cleaning windscreens, windows or optical devices
  • B60S1/04—Wipers or the like, e.g. scrapers
  • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
  • B60S1/38—Wiper blades
  • B60S2001/3898—Wiper blades method for manufacturing wiper blades

Definitions

• a wiper blade device with at least one spring rail and with at least one wiper strip unit has already been proposed, the wiper strip unit comprising at least one wiper base body and at least one wiper lip.
• the invention relates to a wiper blade device with at least one Fe derschiene and with at least one wiper strip unit, wherein the wiper strip unit comprises at least one wiper base and at least one wiper lip.
• the wiper strip unit comprises at least one heating element, which is designed differently from the at least one spring rail and extends at least substantially over an entire main extent of the wiper base body in the at least one wiper base body.
• a “wiper blade device” is to be understood in particular to mean at least a part, in particular a subassembly, of a wiper blade, in particular a windshield wiper blade and advantageously a vehicle windshield wiper blade.
• the wiper blade device can also comprise the entire wiper blade, in particular the entire windshield wiper blade and advantageously the entire vehicle windshield wiper blade. It is bar that the wiper blade device is formed at least as part of a wiper blade in flat beam construction as a wiper blade in flat beam construction.
• the wiper blade device is preferably provided for use on a vehicle.
• the wiper blade device is preferably provided for cleaning a surface, in particular a window, on a vehicle.
• the wiper blade device for cleaning a vehicle window is coupled to a vehicle, in particular a wiper arm of a vehicle.
• “coupled” is to be understood in particular to be positively and / or non-positively connected.
• “Provided” is to be understood to mean in particular specially set up, specially designed and / or specially equipped. Including that an object is provided for a specific function , should be understood in particular that the object fulfills and / or executes this specific function in at least one application and / or operating state.
• a “wiper strip unit” is to be understood in particular to mean a unit made of at least one elastic material which is intended to move a surface to be cleaned, in particular a window surface, in front of a vehicle window, in contact across the surface to be cleaned become.
• the wiper strip unit preferably has a wiper base and a wiper lip.
• the wiper base body is preferably fixed, in particular in one piece, connected to the wiper lip.
• the wiper strip unit is preferably made from a natural or artificial elastomer, in particular from a plastic and / or rubber.
• One-piece should in particular be integrally connected, such as by a welding process and / or gluing process, etc., and should be understood to be particularly advantageously formed, such as by manufacturing from a casting and / or by manufacturing in a one- or multi-component injection molding process and / or extrusion processes, in particular co-extrusion processes.
• the wiper base body of the wiper strip unit is preferably designed to at least partially take up at least one spring rail for stabilization.
• the wiper unit forms, in particular at least partially and preferably completely, a spring rail holder.
• a spring rail mount in particular, a channel or a groove can be understood which is intended to at least partially accommodate the spring rail.
• the spring rail receptacle is preferably provided to substantially circumfer the spring rail at least over a substantial part of a main direction of extension.
• the wiper strip unit forms at least one spring rail receptacle designed as a spring rail channel, which is provided for a complete receptacle of the at least one spring rail.
• the wiper strip unit forms two spring rail receptacles formed as lateral receiving grooves, which are provided for partially receiving at least one spring rail in each case.
• the at least one wiper strip unit can be connected to the at least one spring rail by the at least one spring rail receptacle.
• the dimensions of the at least one spring rail receptacle are adapted to the shape and size of the at least one spring rail.
• the wiper strip unit is advantageously positively connected, in particular non-positively, to the spring rail.
• a “spring rail” should in particular be understood to mean a macroscopic element that has at least one extension that is elastic in a normal operating state by at least 10%, in particular by at least 20%, preferably by at least 30% and particularly advantageously by at least 50% is changeable, and in particular generates a counterforce which is dependent on a change in the extension and is preferably proportional to the change and which counteracts the change.
• the spring rail is preferably at least partially formed from a spring steel.
• the spring rail is at least partially formed from a plastic, from a composite material or from another material that appears useful to a person skilled in the art.
• the spring rail In an unloaded state, the spring rail preferably has essentially a shape of a curved rod and particularly advantageously a flattened ge curved rod. Furthermore, the spring rail is in one piece Asbil det. Alternatively, the spring rail can also be designed in several parts. It is particularly advantageous that a curvature of the spring rail along the spring rail in an unloaded state is greater than a curvature of a vehicle window surface of a motor vehicle, in particular a vehicle window, via which the spring rail is guided in at least one operating state.
• U.N- An “elastic object” is to be understood in particular as an object that can be deformed repeatedly without the object being mechanically damaged or destroyed, and that in particular constantly strives to return to a basic shape after deformation.
• the wiper blade device preferably comprises at least two, in particular exactly two, spring rails.
• An “extension” of an element should be understood to mean, in particular, a maximum distance between two points of a vertical projection of the element onto a plane.
• a “macroscopic element” is to be understood in particular to mean an element with an extension of at least 1 mm, in particular of at least 5 mm and preferably of at least 10 mm.
• the heating element is preferably formed by a heating wire. In principle, however, another training would appear conceivable to a person skilled in the art, which is intended to convert a supplied energy locally into heat, such as a heating ceramic.
• the wiper blade device preferably has at least one, in particular at least two, preferably two heating elements / healing elements.
• the at least one heating element is preferably arranged in the wiper strip unit, in particular in the wiper base body.
• the at least one heating element is preferably configured differently from the at least one spring rail.
• the at least one heating element preferably runs parallel to the at least one spring rail through the wiper strip unit, in particular the wiper base body. At least one heating element is preferably arranged in the vicinity of the at least one wiper lip.
• a minimum distance between the heating element and the wiper lip is preferably at most 2 cm, preferably at most 1 cm, preferably at most 0.5 cm and particularly preferably at most 0.2 cm.
• the heating element is preferably provided for tempering the wiper strip unit. Before preferably the at least one heating element is provided to convert electrical energy into thermal energy.
• the at least one heating element is preferably designed as a heating resistor.
• the at least one heating element is preferably designed to be form-fitting with the at least one wiper strip unit.
• the at least one heating element is preferably arranged on a side of the wiper base body facing the wiper lips.
• the at least one heating element is preferably arranged below the spring rail channel in the wiper base body of the wiper strip unit.
• the at least one heating element has an outer contour which is essentially cylindrical.
• the at least one heating element runs in particular in a U-shape, an initial section and an end section, which are connected to one another via a 180 ° deflection, each running parallel along a main direction of extent of the wiper strip unit.
• At least one heating element is preferably arranged such that its main extension plane is arranged essentially parallel to the main extension plane of the at least one spring rail.
• a “main extension plane” is to be understood as a plane that runs parallel to a largest outer surface of a smallest cuboid that completely surrounds an object.
• two heating elements are arranged so that their main extension plane is arranged substantially perpendicular to the main extension plane of the spring rail.
• Essentially vertical should preferably be understood to mean that a direction or a plane is oriented to a reference direction or plane up to a deviation of at most 30 °, preferably at most 10 °, particularly preferably at most 5 °.
• a temperature control of at least at least one wiper lip to a temperature at which a wiping process can be carried out, in particular at which a flexibility of a wiper lip rubber is designed for a wiping process, can be advantageously ensured.
• an advantageously temperature-controlled wiper blade device can be formed.
• a wiper blade device tempered in a temperature range can advantageously be formed, in which the wiper lip has a flexibility that enables low-noise wiping over a window.
• a wiper blade device can advantageously be formed, which avoids icing, in particular of the wiper lip.
• a wiper blade device can advantageously be designed, which offers heating as a retrofit element in addition to the normal configuration of the wiper blade device. An increased heating power can advantageously be achieved within the wiper blade envelope surface. A maintenance of the known wiper blade structure can advantageously be ensured.
• the at least one wiper strip unit is produced in an extrusion process and at least one cavity a recording of the heating element.
• the at least one wiper strip unit preferably has at least one cavity for receiving the at least one heating element.
• the at least one wiper strip unit preferably has at least two cavities for receiving heating elements.
• the at least one cavity is preferably arranged along the main extension axis of the wiper strip unit.
• the at least one cavity is provided for a positive reception of the at least one heating element.
• the heating element is additionally fastened in the at least one cavity with a connection, such as an adhesive connection.
• the wiper strip unit can advantageously be tempered from the inside. An energy-saving temperature control of the wiper strip unit can advantageously be ensured.
• the wiper strip unit comprises at least one further heating element which is designed differently from the at least one spring rail and is at least partially arranged in the at least one wiper base body.
• the at least one further heating element is preferably designed analogously to the one heating element.
• the at least one further heating element is preferably arranged parallel to the one heating element in the wiper strip unit, in particular the wiper base.
• the at least one further heating element is preferably arranged at a distance from the at least one heating element.
• the at least one further heating element is preferably arranged on a side of the spring rail opposite the heating element in the wiper strip unit, in particular the wiper base body.
• a controllably heated wiper strip unit is advantageously formed.
• a uniformly heatable wiper strip unit is advantageously formed.
• the at least one heating element is arranged between the at least one spring rail and the wiper lip in the wiper base body. It can advantageously be avoided that a heating energy which is intended to temper the wiper lip is deflected by the metallic spring rail. Environmentally friendly temperature control of the wiper lip of the wiper strip unit can advantageously be achieved. Furthermore, it is proposed that the at least one heating element has essentially twice the length as the main extension length of the wiper strips unit.
• the “length of the at least one heating element” should preferably be understood to mean a shortest length along the material extent, from an end region of the at least one heating element in which the heating element ends completely, to a further end region of the at least one heating element.
• the at least one heating element extends over the entire main extension length of the at least one wiper strip unit.
• a “main extension length” should preferably be understood to mean the length of an object's extension in its main direction of extension.
• a “main direction of extent” of an object is preferably to be understood as a direction which runs parallel to a longest side of a smallest cuboid, which completely surrounds the object.
• the heating element can advantageously heat the entire wiper strip unit uniformly and in an energy-saving manner. As a result, an advantageous heating effect can be achieved in particular. In particular, uniform heating of the wiper strip unit can be achieved. This allows an advantageously scalable design of heating functions for common wiper blade lengths.
• the at least one wiper strip unit comprises at least one mounting slot for mounting the at least one heating element, which extends from a radial outer shell of the wiper base body of the wiper strip unit to the at least one cavity.
• a “mounting slot” of the wiper strip unit should preferably be understood to mean a cut into the wiper strip unit, which enables the wiper strip unit to be opened and closed in the directions perpendicular to the cutting direction.
• the cutting direction of the at least one assembly slot extends from a side of the wiper lip facing away from the wiper lip in the direction of the wiper lip, perpendicular to the main direction of extension of the wiper strip unit and perpendicular to a wiping direction.
• the assembly slot preferably has an extension plane parallel to the main direction of extension of the wiper strip unit, the assembly slot in particular which intersects a geometric center of the wiper strip unit.
• the wiper strip unit is designed to be elastic.
• the wiper strip unit is preferably in an open state of the assembly slot. In an assembled state, the wiper strip unit is preferably converted from a force into a closed state of the assembly slot. Vorzugwei se touch at least two areas of the wiper strip unit, which are arranged around the mounting slot, along the mounting slot in the closed state.
• a cavity is formed inside the wiper strip unit in the closed state of the mounting slot, except in the end regions of the wiper strip unit, inaccessible from the outside.
• the at least one spring rail preferably holds the wiper strip unit in the closed state in an assembled state.
• at least two, in particular exactly two, spring rails hold the wiper strip unit in the closed state.
• a simplification of the assembly of the heating wire in the wiper strip unit can advantageously be achieved.
• An assembly of the at least one heating element through the assembly slot can advantageously be made possible subsequently.
• the assembly slot advantageously makes it possible to reach the at least one cavity in the wiper strip unit.
• the at least one cavity in the wiper strip unit can be reached through the assembly slot from a direction perpendicular to the main direction of extension of the wiper strip unit.
• the wiper blade device has at least one deflection region, which is arranged in extension to the wiper strip unit and in which the heating element is deflected.
• the deflection region of the wiper blade device is covered by an end cap of the wiper blade device.
• the deflection region preferably adjoins the wiper strip unit in the main direction of extension, in particular at an end region of the wiper strip unit.
• the heating element is preferably deflected by 180 ° in the deflection area.
• An “end region of the wiper strip” is preferably to be understood as a region that is arranged at a distance of at most 5 cm, in particular a maximum of 3 cm, on one side of a smallest cuboid which completely surrounds the wiper strip unit, the side being vertical is arranged to the main direction of extension.
• An “end cap” is to be understood in particular as a cover component, which in particular at least for Covering a free end and in particular the end region of the wiper strip unit is provided.
• the end cap is hen, in particular together with the wiper strip unit and / or the spring rail, for a plug-in assembly.
• the at least one end cap is arranged in an assembled state on an end region of the at least one wiper strip unit.
• the wiper blade device preferably has at least two end caps.
• the at least two end caps are each arranged in the vicinity of the opposite end regions of the wiper strip unit in the main extension direction.
• the at least one heating element is preferably deflected outside of the wiper strip unit.
• the deflection of the heating element is preferably arranged in a mounted state covered by the at least one end cap.
• the deflection of the heating element is preferably arranged outside the wiper strip unit in the main direction of extent of the wiper strip unit.
• An extension of the heating element or an enlargement of the heating surface of the heating element can advantageously be achieved.
• the heating element can advantageously be deflected for installation outside the wiper strip unit.
• the heating element can advantageously be drawn sequentially into the wiper strip unit for assembly.
• the wiper blade device has at least one wind deflector unit, which is provided to at least partially accommodate the at least one heating element.
• An increased heating output can advantageously be achieved.
• a “wind deflector unit” is to be understood in particular to mean a unit that is provided to reject an air flow acting on the wiper blade device, or a driving wind, and / or to use it for pressing the wiper blade onto a surface to be wiped.
• the wind deflector unit preferably consists at least partially of rubber and / or of an at least partially elastic plastic.
• the wind deflector unit preferably has at least one concave inflow surface.
• the wind deflector unit differs in particular from an end cap, a spring rail and / or from a wiper blade adapter.
• the wind deflector unit advantageously extends over at least a part, preferably over at least a large part, of an extent of the wiper blade device along the main direction of extent.
• the wind deflector unit preferably forms at least one Wind deflector cavity.
• the wind deflector cavity is in particular materially delimited on one side by the wind deflector unit and on another side in particular by the wiper strip unit and / or the at least one spring rail.
• an “air inflow” is to be understood in particular to mean a flow that strikes the wind deflector unit at a specific air inflow speed.
• the at least one heating element is preferably arranged at least partially in the at least one wind deflector cavity.
• a method for assembling the wiper blade device is proposed, the at least one heating element being introduced into a cavity of the wiper strip unit and / or wind deflector unit after the wiper strip unit and / or wind deflector unit has been manufactured. It is conceivable that the at least one heating element is drawn in and / or inserted into at least one cavity of the wiper strip unit and / or wind deflector unit in at least one method step.
• a cavity can advantageously be formed for differently shaped heating elements.
• a particularly efficient series production of the assembly of a heating element in a wiper strip unit can advantageously be achieved. This allows an advantageous degree of automation to be made possible.
• the at least one heating element is inserted during assembly perpendicular to a main direction of extension of the wiper strip unit via an assembly slot in the wiper base body of the wiper strip unit.
• at least one heating element is inserted into at least one cavity in at least one wiper base body perpendicular to a main direction of extension of the wiper strip unit via at least one assembly slot in the open state.
• the assembly slot is pressed into the closed state, in particular by at least one spring rail, preferably by two spring rails, and / or held in the closed state.
• a particularly efficient subsequent change of the heating element can advantageously be achieved.
• a particularly smooth series production of the assembly of a heating element in a wiper strip unit can advantageously be achieved.
• An “add-on” function of the heating function in addition to the automatic assembly line can advantageously be achieved.
• the wiper blade device according to the invention and the method according to the invention for mounting the wiper blade device are not intended to be limited to the application and embodiment described above.
• the wiper blade device according to the invention and the method according to the invention for assembling the wiper blade device, for fulfilling a function described herein can have a number which differs from a number of individual elements, components and units or method steps mentioned herein.
• values lying within the stated limits are also to be considered disclosed and can be used as desired.
• FIG. 1 is a wiper blade device according to the invention with a wiper strip unit in a closed state, with two spring rails and with a heating element in a schematic sectional view,
• FIG. 2 shows a wiper blade device according to the invention with the wiper strip unit in the open state in a schematic sectional illustration
• Fig. 3 shows a partial section of an end region of the invention
• Wiper blade device in a schematic side view
• 4 shows a method according to the invention for assembling the wiper blade device according to the invention in a schematic illustration
• FIG. 5 shows an alternative wiper blade device according to the invention with a wiper strip unit, with two spring rails and with a heating element in a schematic sectional view
• FIG. 6 shows a further alternative wiper blade device according to the invention with a wiper strip unit, with two spring rails and with a heating element in a schematic sectional illustration;
• Fig. 7 shows another alternative wiper blade device according to the invention with a wiper strip unit, with two spring rails and with two heating elements in a schematic sectional representation and
• Fig. 8 shows another alternative wiper blade device according to the invention with a wiper strip unit, with a wind deflector unit, with two spring rails and with a heating element in egg ner schematic sectional view.
• the wiper blade device 10a has two spring rails 12a, 12a '. In principle, however, it would also be conceivable that the wiper blade device 10a has only one spring rail 12a.
• the spring rails 12a, 12a ' are in particular not visibly connected to one another, in particular welded.
• the wiper blade device 10a has a wiper strip unit 14a, the at least one wiper strip unit 14a comprising a wiper base body 16a and a wiper lip 18a.
• the wiper strip unit 14a is made of an elastic material, in particular rubber.
• the wiper lip 18a and the wiper base body 16a are formed in one piece and connected to one another via a narrow connecting web 20a.
• the wiper strip unit 14a produced in an extrusion process forms at least one, in particular two, cavities 24a, 28a.
• the wiper base body 16a includes the cavity 24a and another cavity 28a.
• the further cavity 28a is arranged on a side of the cavity 24a facing the wiper lip 18a in the wiper base body 16a.
• the cavity 24a and the further cavity 28a have a substantially circular cross section, cut along a plane perpendicular to the main direction of extent of the wiper strip unit 14a.
• the cavity 24a and the further cavity 28a each extend essentially parallel to a main direction of extent of the wiper strip unit 14a.
• the at least one wiper strip unit 14a comprises at least one mounting slot 32a.
• the mounting slot 32a is provided to form at least one open state (cf.
• the mounting slot 32a is designed as an incision in the wiper base body 16a.
• the mounting slot 32a extends from a radial outer shell of the wiper base body 16a of the wiper strip unit 14a to the at least one cavity 24a, in particular through the cavity 24a to the further cavity 28a.
• the mounting slot 32a extends as an incision in the wiper base body 16a from a side of the wiper base body 16a facing away from the wiper lip 18a in the direction of the wiper lip 18a perpendicular to the main direction of extension of the wiper strip unit 14a and perpendicularly to a wiping direction 36a, 36a ′ essentially through the whole Wiper base body 16a, through the two cavities 24a, 28a, essentially up to the connecting web 20a.
• the mounting slot 32a is provided to form an opening of the wiper base body 16a.
• the opening of the wiper base body 16a is provided in the open state for a mounting option, at least one heating element 22a in the cavity 24a and / or the further cavity 28a of the wiper base body 16a.
• the one cavity 24a and / or the further cavity 28a are cut through by the mounting slot 32a, in particular in the middle.
• the wiper base body 16a has, on opposite outer sides, a receiving groove for receiving the spring rails 12a, 12a '.
• the wiper strip unit 14a comprises a heating element 22a, which is designed differently from the spring rails 12a, 12a ′ and is arranged in the wiper base body 16a.
• the heating element 22a extends, in particular longitudinally, through the cavities 24a, 28a, through the wiper base body 16a.
• the at least one heating element 22a extends essentially over the entire main extension length of the wiper strip unit 14a, in particular the wiper base body 16a in the at least one wiper base body 16a.
• the heating element 22a is curved and / or curved in an end region 26a of the wiper strip unit 14a (cf. FIG. 3).
• the at least one end region 26a of the wiper strip unit 14a forms a deflection region for the at least one heating element 22a.
• the heating element 22a is deflected in an end region 26a of the at least one wiper strip unit 14a.
• the heating element 22a is formed in the end region 26a bent by 180 °.
• the bend of the heating element 22a is provided such that the heating element 22a extends twice through the wiper strip unit 14a.
• the heating element 22a is partially arranged in a further cavity 28a of the wiper strip unit 14a.
• the heating element 22a extends essentially over the entire main extension length of the wiper strip unit 14a.
• the heating element 22a has essentially twice the length as the main extension length of the wiper strip unit 14a.
• the heating element 22a extends twice through the wiper strip unit 14a (cf. FIGS. 1, 2, 3).
• the heating element 22a is arranged between the spring rails 12a, 12a ’and the wiper lip 18a in the wiper base body 16a.
• FIG. 8 schematically shows a method for mounting a heating element 22a in a wiper strip unit 14a.
• the heating element 22a is drawn into and / or inserted into at least one cavity 24a of the wiper strip unit 14a.
• the heating element 22a is inserted into the cavity 24a in at least one wiper base body 16a perpendicular to a main direction of extension of the wiper strip unit 14a via at least one assembly slot 32a in the opened state.
• the mounting slot 32a is pressed into the closed state, in particular by at least one spring rail 12a, preferably by two spring rails 12a, 12a ', and / or held in the closed state.
• the wiper strip unit 14a is inserted between the spring rails 12a, 12a 'along the main direction of extension in a closed state.
• FIGS. 1 to 4 Another exemplary embodiment of the invention is shown in FIGS.
• the following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, with respect to components with the same designation, in particular with regard to components with the same reference numbers, in principle also to the drawings and / or the description of the other exemplary embodiments, in particular the figures 1 to 4, can be referenced.
• the letter a is placed after the reference numerals of the exemplary embodiment in FIGS. 1 to 4.
• the letter a is replaced by the letters b to e.
• Fig. 5 shows a further embodiment of the wiper blade device 10b according to the invention.
• a heating element 22b extends twice through a single cavity 24b.
• the cavity 24b has a substantially rectangular cross section, cut along a plane perpendicular to the main extension axis of a wiper strip unit 14b.
• the cavity 24b is arranged on a side of the wiper lip 18b facing spring rails 12b, 12b 'in a wiper base body 16b.
• Each part of the Edelele element 22b along the main direction of extension of the heating element 22b has a cross section, along a plane perpendicular to the main extension axis of the wiper strip unit 14b, the same distance to the spring rails 12b, 12b '.
• the heating element 22b is arranged on a side of the spring rails 12b, 12b 'facing a wiper lip 18b in the wiper base body 16b. Each part of the heating element 22b has a cross section cut along a plane perpendicular to the main extension axis of the wiper strip unit 14b at the same distance from a surface 34b to be cleaned.
• the wiper strip unit 14b is free of an assembly slot 32b.
• Fig. 6 shows a further embodiment of the wiper blade device 10c according to the invention. In addition to the arrangement of a cavity 24c and a heating element 22c, this exemplary embodiment is essentially analogous to the exemplary embodiment with the reference symbol ending b.
• the heating element 22c extends twice through a cavity 24c, which essentially has a rectangular cross section, cut along a plane perpendicular to the main extension axis of a wiper strip unit 14c.
• Each part of the heating element 22c has a cross section cut along a plane perpendicular to the main extension axis of the wiper strip unit 14c at the same distance from the spring rails 12c, 12c '.
• the cavity 24c is, on a side facing away from the wiper lip 18c, the spring rails 12c,
• the heating element 22c is arranged in the wiper base body 16c on a side of the spring rails 12c, 12c ′ facing away from the wiper lip 18c.
• Each part of the heating element 22c has a cross section cut along a plane perpendicular to the main extension axis of the wiper strip unit 14c and has the same distance from a surface 34c to be cleaned.
• the wiper strip unit 14c is free of an assembly slot 32c.
• FIG. 7 shows another embodiment of the wiper blade device 10d.
• a wiper strip unit 14d comprises a further heating element 40d, which is formed differently from the at least one spring rail 12d, 12d ’and is at least partially arranged in at least one wiper base body 16d (cf. FIG. 6).
• the wiper strip unit 14d comprises a further cavity 28d.
• the further cavity 28d is arranged on a wiper lip 18d facing away from the spring rails 12d, 12d ', in the wiper base body 16d.
• the further heating element 40d is arranged, on a side of the spring rails 12d, 12d 'facing away from the wiper lip 18d, in the further cavity 28d in the wiper base body 16d.
• the further heating element 40d extends twice through the wiper strip unit 14d (see FIG. 6).
• the further heating element 40d is designed analogously to a heating element 22d.
• the further heating element 40d extends at least partially through the further cavity 28d of the wiper strip unit 14d.
• the heating element 22d and the further heating element 40d have an essentially circular cross section, cut along a plane perpendicular to right to the main direction of extent of the wiper strip unit 14d.
• Cavities 24d, 28d have a rectangular cross section, cut along a plane, perpendicular to the main extension axis of the wiper strip unit 14d.
• the heating element 22d and the further heating element 40d extend twice through a cavity 24d or another cavity 28d.
• Each part of the heating element 22d has a cross section cut along a plane perpendicular to the main extension axis of the wiper strip unit 14d at the same distance from the spring rails 12d, 12d '.
• the heating element 22d is arranged on a side of the spring rails 12d, 12d 'facing away from the wiper lip 18d in the wiper base body 16d. In cross section, each part of the heating element 22d has the same distance from a surface 34d to be cleaned, along a plane perpendicular to the main extension axis of the wiper strip unit 14d.
• the wiper strip unit 14d is formed freely from an assembly slot 32d.
• FIG. 8 shows another embodiment of the wiper blade device 10e.
• a cavity 24e in a wiper base body 16e is arranged on a side of spring rails 12e, 12e ′ facing away from a wiper lip 18e.
• a wiper blade device 10e comprises at least one wind deflector unit 30e, which is provided to at least partially accommodate at least one heating element 22e.
• An additional cavity 38d is formed in the wind deflector unit 30e.
• the wind deflector unit 30e is arranged on the wiper base body 16e on a side of the spring rails 12e facing away from the wiper lip 18e.
• a heating element 22e extends at least partially through the additional cavity 38d of the wind deflector unit 30e and at least partially through the cavity 24e of the wiper base body 16e.
• the heating element 22e is designed (see FIG. 7) to extend essentially completely through a cavity 24e of the wiper strip unit 14a and once substantially completely through the additional cavity 38d of the wind deflector unit 30e.
• the heating element 22e is arranged, for example, centrally in the wind deflector unit 30e.
• the heating element 22e is arranged, for example, on a side facing away from the wiper lip 18e (cf. FIG. 5) of the spring rails 12e, 12e ’in the wiper base body 16e.
• the wiper strip unit 14e is free of a Mon day slot 32e.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Quality & Reliability (AREA)
• Ink Jet (AREA)

Priority Applications (2)

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Publications (1)

Family

ID=69137876

Family Applications (1)

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Citations (5)

Family Cites Families (3)

• 2018
  • 2018-12-27 DE DE102018251716.9A patent/DE102018251716A1/de active Pending
• 2019
  • 2019-12-19 CN CN201980086737.0A patent/CN113242821A/zh active Pending
  • 2019-12-19 WO PCT/EP2019/086347 patent/WO2020136082A1/de unknown
  • 2019-12-19 EP EP19832365.1A patent/EP3902715A1/de not_active Withdrawn

Patent Citations (5)

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