CN110733465A

CN110733465A - Wiper device

Info

Publication number: CN110733465A
Application number: CN201910650435.3A
Authority: CN
Inventors: H.拉普; M-O.卡莱; N.约契克; N.西梅萨; P.德布洛克; S.特鲁延斯; S.克恩; T.博斯尼克
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2018-07-19
Filing date: 2019-07-18
Publication date: 2020-01-31
Also published as: FR3084040B1; FR3084040A1; DE102018212057A1

Abstract

The invention relates to an wiper device having at least wiper arms (12 a; 12 b) and at least connecting units (16 a; 16 b) which are arranged on at least end regions (14 a; 14 b) of the wiper arms (12 a; 12 b) and are provided for fastening wiper blades (18 a; 18 b) or adapters (20 a; 20 b) arranged on the wiper blades (18 a; 18 b) to the wiper arms (12 a; 12 b), it is proposed that the connecting units (16 a; 16 b) have at least line elements (22 a; 22 b) which are provided for supplying electrical functional units (24 a; 24 b), in particular electrical functional units (24 a; 24 b) of the wiper blades (18 a; 18 b).

Description

Wiper device

Technical Field

The invention relates to an wiper device.

Background

wiper devices have already been proposed, which have at least wiper arms and at least connecting units, which are arranged on at least end regions of the wiper arms and are provided for fastening the wiper blade or an adapter arranged thereon to the wiper arms.

Disclosure of Invention

The invention is based on wiper devices having at least wiper arms and at least connecting units, which are arranged on at least end regions of the wiper arms and are provided for fastening the wiper blade or an adapter arranged thereon to the wiper arms.

The connection unit has at least line elements (LeitungSeelement) which are provided for supplying electrical functional units, in particular electrical functional units of the wiper blade.

The wiper blade and/or the adapter preferably comprise/at least fluid output units, which are provided in particular for outputting, in particular spraying, a fluid onto the glass in order to clean the glass, the fluid is preferably designed to wipe off water, the wiper blade, in particular the wiper lip of the wiper blade, is preferably provided for wiping off on the glass in order to clean the glass, the wiper blade is provided in particular for wiping off dirt located on the glass and/or for wiping off a fluid output onto the glass by the fluid output unit, the wiper arm is preferably provided for moving the wiper blade, in particular fixed on the wiper arm by means of the connecting unit, over the glass in order to clean the glass, the wiper arm is preferably provided for moving the wiper blade, in particular fixed on the wiper arm by means of the connecting unit, on the glass in order to clean the glass, the wiper arm is preferably provided for being provided with a special drive for a working function of a wiper blade, in particular for a working drive device, in particular a working drive device, or a wiper arm is provided for a working drive device, in particular for a working function of a plastic material, in order to be provided for a working part, or alternatively to be provided by means a working material, a working device, in particular a working device, in order to be provided for a working device, in particular for a working device, in particular for.

The connecting unit comprises in particular at least connecting elements, preferably individual connecting elements, which are provided for fixing the wiper blade or an adapter arranged on the wiper blade to the wiper arm, the connecting elements are preferably provided for a form-fitting and/or force-fitting connection with the wiper blade or with the adapter arranged on the wiper blade, the connecting elements are preferably arranged on at least end regions of the wiper arm, the end regions of the wiper arm are in particular such regions of the wiper arm at which the at least substantially complete maximum extension of the wiper arm ends in particular in the main direction of extension of the wiper arm, the "main direction of extension" of a certain object is in particular parallel to the direction of extension of the longest side of the smallest geometrically parallelepiped which still completely surrounds the object, the wiper arm preferably has at least two end regions which face away from one another, the wiper arm preferably has a connecting unit arranged at the end regions of the wiper arm, in particular a connecting element, or a connecting element, in particular a drive-fitting connection with the wiper arm, preferably a single-component connection element, in particular a rivet connection with a single-injection-molding connection, or a connection, preferably a single-injection-molding connection with a single-component connection, or a single-injection molding connection, preferably a single-molding connection, or a single-injection molding connection, or a single-molding connection, particularly a connection, preferably injection molding, or a single-molding, or injection molding connection, or a single-molding, or injection molding, or a multi-molding, or injection molding.

The term "substantially perpendicular" especially defines an orientation of directions relative to a reference direction, wherein, viewed in planes, the direction and the reference direction enclose an angle of 90 ° and the angle has a maximum deviation of especially less than 8 °, advantageously less than 5 °, especially advantageously less than 2 °, the connecting element is preferably designed as a connecting pin, a connecting bolt, a connecting screw or another connecting element which, viewed by a person skilled in the art, appears advantageous, the connecting element is preferably designed as a metal, alternatively it is conceivable that the connecting element is designed as a plastic, composite material or another material which, in addition to the connecting element, preferably as a connecting clip, is designed as a connecting clip, which is preferably designed as a clip element, which is designed as a clip element, in particular, a clip element which is designed as a clip element, which clip element, when viewed in the connecting clip element is designed as a clip element, preferably, a clip element which is designed as a clip element, which is designed as a clip element clip.

The line element of the connection unit preferably extends at least partially along the connection element, in particular within the connection element, in the state in which the wiper blade is arranged on the wiper arm, the line element of the connection unit extends at least from the wiper arm to the wiper blade or the adapter, the line element of the connection unit is preferably designed as a cable, a wire, a sliding contact or the like, for guiding the line element, the connection unit may preferably have at least line channels extending within the connection element, or the line element may be guided outside the connection element, in particular in a recess of the connection element, alternatively or additionally it is conceivable that the connection element forms at least partially a line element, it is possible in particular to envisage that the connection element is constructed at least partially from a material which electrical conduction is possible, the functional unit is preferably designed as a heating unit, which is provided for the electrical connection of at least one heating element, in particular a plurality of heating elements, in particular heating elements, and/or heating elements of the connection unit, in particular heating elements, in particular heating elements, and/or heating elements, in particular heating elements, and/or heating elements, in particular heating elements, in particular heating elements, in a fluid.

By means of the design of the wiper device according to the invention, wiper devices with line channels built into the connection unit can advantageously be provided, advantageously a line unit constructed separately from the connection unit can be dispensed with and a cost-effective wiper device can be provided, advantageously visually pleasant and aerodynamically advantageous wiper devices can be provided.

The at least partially electrically conductive connecting element can be soldered, welded or electrically connected using processes which are found to be advantageous to a person skilled in the art, in particular with the pipe elements of the wiper arm, the pipe elements of the wiper arm can be provided in particular at least partially along the wiper arm, in particular at least partially within the wiper arm, in particular can extend at least partially along the wiper arm, in particular can extend at least partially within the wiper arm.

The invention also relates to a method for producing a connecting unit for a motor vehicle, comprising the steps of providing a connecting unit having at least line channels for guiding line elements, in particular line elements of the connecting unit in the form of cables, wires or the like, preferably electrically connecting the line elements of the connecting unit to the line elements of a wiper arm, or forming line elements of the wiper arm, in particular arranged on the connecting element, preferably the line channels are delimited by the connecting element, preferably the line channels are provided for guiding the line elements of the connecting unit to an electrical functional unit, preferably the line channels extend from the wiper arm to the wiper blade or an adapter in the state of the wiper blade arranged on the wiper arm, preferably the line channels are configured as channel-like recesses in the connecting element, preferably the line channels have an at least substantially circular cross section, alternatively it is conceivable that the line channels have a polygonal, in particular an at least substantially square, elliptical or , cross section which is advantageous for a person skilled in the art to see.

It is furthermore proposed that the line channel extends along at least substantially the entire maximum longitudinal extent of the connecting element. The maximum longitudinal extent of the connecting element is configured as the maximum extent of the connecting element along the longitudinal axis of the connecting element. The line channel extends in particular along at least 75% of the full maximum longitudinal extent of the connecting element, preferably along at least 85% of the full maximum longitudinal extent of the connecting element, particularly preferably along at least 95% of the full maximum longitudinal extent of the connecting element. In particular, the line channel extends in the direction of the longitudinal axis of the connecting element toward the wiper arm and away from the wiper arm to the wall of the connecting element which closes off the recess. Advantageously, the line element of the connection unit is guided along an at least substantially complete maximum longitudinal extension of the connection element.

The wiper-arm-side line channel opening is preferably designed as an opening in the connecting element, which opening extends from the line channel along the entire radius of the connecting element, in particular at least substantially perpendicularly to the longitudinal axis of the connecting element, through the connecting element to the outside of the connecting element.

The wiper-side line channel opening is preferably at least substantially similar to the wiper-arm-side line channel opening of the connection unit, the wiper-arm-side line channel opening is preferably provided for the line element of the connection unit to pass from the line channel to the electrical functional unit, the line element of the connection unit is preferably electrically connected to the electrical functional unit, in particular to at least heating elements of the electrical functional unit, the line element is in particular soldered, welded, or, by means of another process-advantageous electrical connection to the electrical functional unit can be advantageously ensured.

In a further embodiment, the wiper device comprises a wiper arm, a wiper blade, a connecting element, a connecting unit, a connecting element, a fluid channel, a connecting element, a wiper device, a wiper blade.

The invention also relates to glass wipers with at least wiper devices, in particular wiper devices according to the invention, and at least wiper blades.

The invention provides for the glass wiper to comprise at least engagement elements which are arranged on the wiper blade or at least adapters and are provided for the wiper blade to be mechanically and electrically connected to the wiper device, which adapters are arranged on the wiper blade, in particular the engagement elements being provided for the mechanical and electrical connection to the wiper arm, in particular via the connecting elements of the connecting unit.

The wiper blade or the adapter arranged on the wiper blade also has at least line bridging elements which are provided for electrically connecting the line elements to at least electrical functional units of the wiper blade, in particular the line bridging elements are provided for electrically connecting at least partially electrically conductive connecting elements to at least heating elements of the electrical functional units, in particular the electrical functional units, preferably the line bridging elements have at least connecting projections which are electrically connected to the heating elements of the electrical functional units, in particular the electrical functional units, the heating elements of the electrical functional units can be configured in particular as heating foils, heating strips, heating bands, heating wires or in addition , which are advantageous as seen by the person skilled in the art.

The invention also relates to methods for mounting at least glass wipers, in particular glass wipers according to the invention.

It is proposed that in at least method steps, in particular at least electrical functional units of the wiper blade, be electrically connected to at least wiper arms of the wiper device by means of at least line elements of at least connection units of at least wiper devices.

The wiper device according to the invention, the glass wiper according to the invention and/or the method according to the invention should not be limited to the above-described applications and embodiments. In particular, the wiper device according to the invention, the glass wiper according to the invention and/or the method according to the invention can have a number which differs from the number described here of the individual elements, components and units and method steps in order to realize the working mode described here. Furthermore, for the value ranges given in this disclosure, values within the stated limits are also considered disclosed and can be used arbitrarily.

Drawings

Other advantages may be derived from the following description of the figures. In these drawings, two embodiments of the invention are shown. The figures, description and claims contain many combinations of features. The person skilled in the art can also examine these features individually and combine them into other advantageous combinations depending on the purpose. Wherein:

fig. 1 shows a glass wiper according to the invention in a perspective view;

fig. 2 shows in perspective view a portion of a glass wiper according to the present invention;

fig. 3 shows a further part of a glass wiper according to the invention in a schematic cross-sectional view;

fig. 4 shows in perspective view the part of the wiper device according to the invention and the wiper blade of the glass wiper according to the invention, and

fig. 5 shows in schematic cross-section a portion of an alternative glass wiper according to the invention.

Detailed Description

Fig. 1 shows a glass wiper 40a in a perspective view, the glass wiper 40a comprising at least wiper devices 10a and at least wiper blades 18a, the wiper device 10a comprising at least wiper arms 12a and at least connecting units 16a which are arranged on at least end regions 14a of the wiper arms 12a and which are provided for fastening the wiper blades 18a or adapters 20a arranged on the wiper blades 18a to the wiper arms 12a, the connecting units 16a and the adapters 20a are covered in fig. 1 by cover caps 46a of the wiper devices 10a arranged on the wiper arms 12a, the connecting units 16a have at least line elements 22a which are provided for supplying electrical power to an electrical functional unit 24a, in particular to an electrical functional unit 24a of the wiper blades 18a (see fig. 2), the line elements 22a are configured as at least part of the connecting elements 26a of the connecting unit 16 a.

The wiper blade 18a comprises at least fluid outlet units 38a which are provided for discharging fluid onto the glass, in particular for spraying fluid onto the glass, in order to clean the glass, the wiper blade 18a is provided for wiping dirt from the glass, the wiper lip 48a of the wiper blade 18a is provided for wiping on the glass, in order to clean the glass (see fig. 2), the wiper blade 18a is provided for wiping off dirt located on the glass, and/or the wiper blade 38a is provided for wiping off the wiper blade onto the glass, in order to clean the glass, the wiper blade 18a is provided for wiping off the wiper blade 18a, in order to clean the glass (see fig. 2), the wiper blade 18a is provided for wiping off the glass, and the wiper blade 38a is discharged onto the glass, the wiper blade 12a is provided for driving the wiper blade 12a to be moved, in such a way that the wiper blade 16a is arranged for driving the wiper blade 12a, or the wiper blade 18a is arranged for driving the wiper blade 12a to be moved, in such a way that the wiper blade 16a is arranged, in such a way that it is movable, as to be movable, by a, or by a, in the vehicle, in the field, in such a way that it is arranged, in such a that it is arranged, in such a way that it is arranged, in such a that it is arranged, in the glass, by means that it is arranged, in the case that it is arranged, in the wiper blade 16.

Fig. 2 shows, in a perspective view, parts of the glass wiper 40a, a detailed view of the glass wiper 40a in the end region 14a of the wiper arm 12a, for the sake of clarity, the wiper blade 18a is shown only in the region behind the adapter 20a, fig. 2 shows the side of the glass wiper 40a, which faces the glass in the state in which the glass wiper 40a is arranged on the vehicle, the glass wiper 40a comprises at least engaging elements 42a, which are arranged on the wiper blade 18a or at least adapters 20a and are provided for mechanically and electrically connecting the wiper blade 18a with the wiper device 10a, which are arranged on the wiper blade 18a, the engaging elements 42a are arranged on the adapter 20a, the adapter 20a is configured as components which are arranged, in particular, at least substantially centrally fixed on the wiper blade 18a, and the engaging elements 42a are arranged, in the state, by way, in particular, on the mating connecting element 20a, or by way of the mating connecting element 20a, the connecting element 42a being arranged, the mating connecting element 20a, the mating element 20a being arranged, the mating element 20a mating element 14a being arranged, the mating element 14a being arranged, the mating element 14a being arranged in the mating element 14a being arranged, the mating element 14a being arranged in the mating element 14a being arranged, the mating element 14a being arranged in the mating element 14.

The connecting unit 16a comprises a single connecting element 26a, which is provided for fastening the wiper blade 18a or an adapter 20a arranged on the wiper blade 18a to the wiper arm 12a, the connecting element 26a is provided for positively and/or non-positively connecting with the wiper blade 18a or with the adapter 20a arranged on the wiper blade 18a, the connecting element 26a is arranged on the end region 14a of the wiper arm 12a, the end region 14a of the wiper arm 12a is regions of the wiper arm 12a at which the at least substantially full maximum extension of the wiper arm 12 ends, in particular in the main extension direction 54a of the wiper arm 12a, the wiper arm 12a has at least two end regions 14a facing away from one another, the connecting unit 16a is arranged at the end region 14a of the wiper arm 12a, in particular the connecting element 26a, the wiper arm 12a can be fastened to the wiper arm 12a at end regions of the wiper arm 12a, the connecting element 26a is fastened to the wiper arm 12a, the connecting element 26a is configured to be riveted with the connecting element 12a, the connecting element 26a is configured to the wiper arm 12a, or the connecting element 12a is riveted to the connecting element 12a, and the wiper arm 12a, in the wiper arm 12 a.

The longitudinal axis 58a of the connecting element 26a extends transversely, in particular at least substantially perpendicularly, to the main direction of extension 54a of the wiper arm 12a, the longitudinal axis 58a of the connecting element 26a extends transversely, in particular at least substantially perpendicularly, to the main direction of extension 50a of the wiper blade 18a in the state of being arranged on the wiper arm 12a, the connecting element 26a is designed as a connecting pin, alternatively it is conceivable for the connecting element 26a to be designed as a connecting screw, a connecting screw or the like, the connecting element 26a to be designed as a metal, alternatively it is conceivable for the connecting element 26a to be designed as a plastic, a composite material or another material which is advantageous to the person skilled in the art, in addition to the connecting element 26a, the connecting unit 16a also has at least fixing elements 60a for fixing the wiper blade 18a or the adapter 20a arranged on the wiper blade 18a to the wiper arm 12a, the fixing elements 60a are designed as clips, alternatively it is conceivable for the fixing elements 60a to be designed as latching elements or the like.

Fig. 3 shows a further part of the glass wiper 40a in a schematic sectional view, showing the part of the wiper arm 12a, the connecting unit 16a, the part of the adapter 20a and the wiper blade 18 a. the wiper blade 18a has an electrical functional unit 24 a. alternatively or additionally it is conceivable for the adapter 20a to have an electrical functional unit 24 a. the line element 22a of the connecting unit 16a is provided for electrically connecting the electrical functional unit 24a to at least , in particular in a vehicle, electrical energy sources, such as, for example, a battery, a vehicle electrical system, etc., in the state in which the wiper blade 18a is arranged on the wiper arm 12a, the line element 22a of the connecting unit 16a extends at least from the wiper arm 12a to the wiper blade 18a or the functional unit 24a of the adapter 20a is configured as a heating unit which is provided for heating the fluid outlet unit 38a, in particular at least , and/or at least 2 of the fluid outlet unit 38a, the functional unit 24a is configured as a heating unit 64a, which comprises at least one heating element of the electrical heating unit 24a, which is provided for heating the at least 64a, and/or at least one of the

wiper arm

24a, 64a, of the wiper arm 16a, which is provided for electrically connecting unit 18 a.

The connecting element 26a is designed to be electrically conductive along the at least substantially entire maximum longitudinal extent 30a of the connecting element 26a, the connecting element 26a is composed of an electrically conductive material, it is alternatively conceivable for the connecting element 26a to have an electrically conductive coating and/or an electrically conductive insert, the connecting element 26a is electrically connected to at least line elements 66a of the wiper arm 12a, the connecting element 26a is electrically connected to two line elements 66a of the wiper arm 12a, the connecting element 26a is soldered to the line element 66a of the wiper arm 12a, it is alternatively conceivable for the connecting element 26a to be soldered to the line element 66a of the wiper arm 12a, or to be electrically connected using another process which appears advantageous to the person skilled in the art, the line element 66a of the wiper arm 12a is provided for conducting a current from an electrical energy source of the vehicle to the connecting element 26a, the line element 66a of the wiper arm 12a extends at least partially along the wiper arm 12a, the wiper arm 12a being releasably on the inside, the wiper arm 12a, the connecting element 26a being electrically conductive connection element 26a, in particular on the wiper arm 12a side.

The wiper blade 18a or the adapter 20a arranged on the wiper blade 18a has at least line bridging elements 44a, which are provided for electrically connecting the line elements 22a of the connecting unit 16a to at least electrical functional units 24a of the wiper blade 18a, in fig. 3, for example, the adapter 20a has the line bridging elements 44a, in addition to the line bridging elements 44a, for the sake of clarity, no further components of the adapter 20a are shown in fig. 3, for example, the joining elements 42a, the line bridging elements 44a are provided for electrically connecting the at least partially electrically conductive connecting elements 26a to the electrical functional units 24a, in particular to the heating elements 64a of the electrical functional units 24a, for the sake of clarity, the line bridging elements 44a have at least connecting projections 68a, which are electrically connected to the electrical functional units 24a, in particular to the heating elements 64a of the electrical functional units 24a, the heating elements 64a, the electrical connecting projections 24a being provided for electrically connecting elements 64a, in particular, with the heating elements 64a, a heating element 14a being provided for electrical contact extension of the heating element 24a, a heating element being provided for electrical contact heating element 18a, a being provided for electrical contact, a being provided for example, a being provided for electrical contact with a heating element, a heating element, a being provided for electrical contact, a being provided for contact with a, for contact with the heating element 18a, a heating element 18, a heating element being provided for contact, a contact extension of a heating element, a being provided for contact, a being provided for example, a being provided for contact, for.

Fig. 4 shows, in a perspective view, the part of the wiper device 10a and the wiper blade 18a of the glass wiper 40a, the connecting unit 16a is shown, the connecting unit 16a has at least fluid channels 36a which are provided for fluidically supplying, in particular, the fluid outlet unit 38a of the wiper blade 18a, the fluid channels 36a being arranged on the connecting element 26a, the fluid channels 36a are delimited by the connecting element 26a, the fluid channels 36a are provided for guiding, in particular, fluid to be output from a fluid reservoir of a vehicle on which the wiper device 10a is mounted, to the fluid outlet unit 38a of the wiper blade 18a, to which the fluid outlet unit 72a of the adapter 20a is provided, in particular, a fluid outlet unit 72a of the wiper blade 18a, the fluid outlet unit 72a has a (see fig. 2) a plurality of nozzle elements 74a for fluid output, the adapter 20a is configured at least partially as an extension of the fluid outlet unit 36a, the fluid outlet unit 18a is arranged in a state on the wiper arm 18a, the wiper blade arm 12a, the fluid outlet unit 18a is arranged, the fluid outlet unit 18a is configured, or is configured to be connected to the fluid outlet unit 18a, the fluid outlet unit 18a is configured, in a, the fluid outlet unit 18a is configured to be arranged in particular, in the fluid outlet unit 18a, the fluid outlet unit.

In at least method steps, in particular at least electrical functional units 24a of the wiper blade 18a, are electrically connected to at least wiper arms 12a of the wiper device 10a by means of at least line elements 22a of at least connection units 16a of at least wiper devices 10a, the wiper blade 18a is simultaneously fastened to the wiper arm 12a by means of the connection elements 26a of the connection units 16 a.

In fig. 5, a further exemplary embodiment of the invention is shown, the following description and the drawings are essentially limited to the differences between the exemplary embodiments, wherein reference can in principle also be made to the drawings and/or the description of the other exemplary embodiments, in particular fig. 1 to 4, with respect to components having the same designation, in particular with respect to components having the same reference numerals, for the purpose of distinguishing between these exemplary embodiments, the reference numerals of the exemplary embodiments in fig. 1 to 4 are followed by the letter a, in the exemplary embodiment in fig. 5, the letter a is replaced by the letter b.

Fig. 5 shows, in a schematic sectional view, the part of an alternative glass wiper 40b, the part of the wiper arm 12b of the wiper device 10b of the glass wiper 40b, in particular the end region 14b of the wiper arm 12b, the connection unit 16b of the wiper device 10b, the part of the adapter 20b of the glass wiper 40b and the wiper blade 18b of the glass wiper 40b, the connection unit 16b having two line elements 22b which are provided for supplying the electrical functional unit 24b, in particular the wiper blade 18b, with the electrical functional unit 24b being configured as a heating unit, the line element 22b of the connection unit 16b running at least partially along the connection element 26b of the connection unit 16b, in particular within the connection element 26b, the line element 22b of the connection unit 16b being configured as a metal wire, it is alternatively conceivable for the line element 22b of the connection unit 16b to be configured as a cable, a sliding contact or the like.

The connection unit 16b has at least line channels 28b for guiding the line elements 22b, the line elements 22b of the connection unit 16b forming line elements of the wiper arm 12b, it is alternatively conceivable that the line elements 22b of the connection unit 16b are electrically connected with line elements of the wiper arm 12b, the line channels 28b being arranged on the connection element 26b, the line channels 28b being delimited by the connection element 26b, the line channels 28b being provided for guiding the line elements 22b of the connection unit 16b to the electrical functional unit 24b, it is alternatively conceivable that the line elements 22b of the connection unit 16b are guided on the outside of the connection element 26b and are arranged in particular in recesses of the connection element 26b, in the state in which the wiper blade 18b is arranged on the wiper arm 12b, the line channels 28b extend from the wiper arm 12b to the wiper blade 18b or the adapter 20b, the line channels 28b are configured as channel-like recesses in the form of a channel-like, the line channels 28b are constructed as substantially polygonal, the longitudinal cross-sectional axis of the line channels 28b, it is further advantageous to be considered that the line channels 28b extend substantially parallel to the longitudinal axis of the line elements 28b, the longitudinal axis of the connection element 28b, the longitudinal axis 3580 b, the longitudinal axis of the line elements 28b, the longitudinal axis 28b, which is defined substantially parallel to the longitudinal axis of the connection element 28b, preferably substantially polygonal, the longitudinal axis of the connection element 28b, which is.

The line channel 28b extends along an at least substantially complete maximum longitudinal extension 30b of the connecting element 26 b. The largest longitudinal extent 30b of the connecting element 26b is configured as the largest extent of the connecting element 26b along the longitudinal axis 58b of the connecting element 26 b. The line channel 28b extends in particular along at least 75% of the entire maximum longitudinal extent 30b of the connecting element 26b, preferably along at least 85% of the entire maximum longitudinal extent 30b of the connecting element 26b, particularly preferably along at least 95% of the entire maximum longitudinal extent 30b of the connecting element 26 b. The line channel 28b extends in the direction of the longitudinal axis 58b of the connecting element 26b toward the wiper arm 12b to the riveted connection 82b of the connecting element 26b, which closes off the channel-like recess, and away from the wiper arm 12b to a wall 84b of the connecting element 26b, which closes off the channel-like recess.

The connecting element 26b has at least wiper-arm-side line channel openings 32b for the passage of the line element 22b of the connecting unit 16b into the line channel 28b, the wiper-arm-side line channel openings 32b are arranged on a wiper-arm-side end region 86b of the line channel 28b and/or of the connecting element 26b, the wiper-arm-side line channel openings 32b are designed as connecting channels which are connected to the line channel 28b, the wiper-arm-side line channel openings 32b are designed as openings in the connecting element 26b which extend from the line channel 28b along the entire radius of the connecting element 26b, in particular at least substantially perpendicularly to the longitudinal axis 58b of the connecting element 26b, through the connecting element 26b to the outside of the connecting element 26b, the wiper-arm-side line channel openings 32b can have at least coupling regions which are not provided, for example, with threads, a step, etc. ( b shown here).

The connecting element 26b has at least wiper-side line channel openings 34b for leading the line elements 22b of the connecting unit 16b out of the line channel 28b, the connecting element 26b has two wiper-side line channel openings 34b, each wiper-side line channel opening 34b is provided for leading each line element 22b of the connecting unit 16b, the wiper-side line channel openings 34b are arranged on the line channel 28b and/or on the wiper-side or adapter-side end regions 88b of the connecting element 26b, the wiper-side or adapter-side end regions 88b of the line channel 28b and/or of the connecting element 26b face away from the line channel 28b and/or of the wiper-side end regions 86b of the connecting element 26b, the wiper-side line channel openings 34b are at least substantially similar to the wiper-side line channel openings 32b of the connecting element 26b and/or the wiper-side end regions 86b of the connecting element 26b, the wiper-side line channel openings 34b are provided for electrically connecting the electrical connection of the connecting element 16b with the heating unit 16b, the electrical connection elements 3564 b, the heating element 24b, the electrical connection elements 24b, the heating element 24b, the functional connection unit 16b is provided for electrically connecting unit 16b, the electrical connection of the electrical connection unit 16b, 3564 b, the electrical connection elements 24b, 3564 b, the functional connection elements 24b, 3560 b, and the functional connection elements 24b, b, 3524 b, and the functional connection elements 24b, 3564 b, the functional connection elements 24b, and the connection unit 16b connection elements 24b, 358 b.

The fluid channel of the connection unit 16b, which is not shown in the drawing at for reasons of clarity, extends at least substantially parallel to the line channel 28b, in particular within the connection element 26b or outside the connection element 26b, it is alternatively conceivable for the line channel 28b to be used as a fluid channel, or for a fluid channel, in particular in the form of a hose, a tube or the like, to extend through the line channel 28 b.

Claims

A wiper device of the kind , having at least wiper arms (12 a; 12 b) and at least connecting units (16 a; 16 b) which are arranged on at least end regions (14 a; 14 b) of the wiper arms (12 a; 12 b) and which are provided for fastening wiper blades (18 a; 18 b) or adapters (20 a; 20 b) arranged on the wiper blades (18 a; 18 b) to the wiper arms (12 a; 12 b), is characterized in that the connecting units (16 a; 16 b) have at least line elements (22 a; 22 b) which are provided for supplying electrical functional units (24 a; 24 b), in particular electrical functional units (24 a; 24 b) of the wiper blades (18 a; 18 b).
2. The wiper device as set forth in claim 1, characterized in that the line element (22 a) is configured as an at least partially electrically conductive connecting element (26 a) of the connecting unit (16 a).
3. The wiper device as set forth in claim 1 or 2, characterized in that the connection unit (16 b) has at least line channels (28 b) for guiding the line elements (22 b).
4. The wiper device as set forth in claim 3, characterized in that the duct channel (28 b) extends along an at least substantially entire maximum longitudinal extension (30 b) of the connecting element (26 b).
5. The wiper device as set forth in claim 4, characterized in that the connecting element (26 b) has at least wiper arm-side line passage openings (32 b) for passing the line element (22 b) into the line passage (28 b).
6. The wiper device as set forth in claim 4 or 5, characterized in that the connecting element (26 b) has at least wiper-blade-side line passage openings (34 b) for the passage of the line element (22 b) out of the line passage (28 b).
7. The wiper device as set forth in any of the preceding claims , characterized in that the connection unit (16 a; 16 b) has at least fluid passages (36 a) which are provided for fluidically supplying a fluid outlet unit (38 a), in particular of the wiper blade (18 a; 18 b).
A glass wiper of the kind , with at least wiper devices, in particular according to any of the of the preceding claims, and at least wiper blades (18 a; 18 b), characterized by at least engaging elements (42 a) which are arranged on the wiper blades (18 a; 18 b) or at least adapters (20 a; 20 b) and which are provided for mechanically and electrically connecting the wiper blades (18 a; 18 b) to the wiper devices, which adapters are arranged on the wiper blades (18 a; 18 b).
9. The glass wiper according to claim 8, characterized in that the wiper blade (18 a) or an adapter (20 a) arranged on the wiper blade (18 a) has at least line bridging elements (44 a) which are provided for electrically connecting the line elements (22 a) to at least electrical functional units (24 a) of the wiper blade (18 a).
10, method for mounting at least glass wipers, in particular glass wipers according to any of claims 8 or 9, , characterized in that in at least method steps at least electrical functional units (24 a; 24 b), in particular electrical functional units (24 a; 24 b) of the wiper blades (18 a; 18 b), are electrically connected with at least wiper arms (12 a; 12 b) of the wiper device by means of at least line elements (22 a; 22 b) of at least connecting units (16 a; 16 b) of at least wiper devices.