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Wiper blade, especially wiper blade for wiping wind screen of vehicle

A wiper blade and wiper strip technology, which is applied in vehicle cleaning, vehicle maintenance, transportation and packaging, etc., can solve problems such as tearing wiper blades, small thickness of wiper strip material, and damage to wiper strips, achieving Avoid weakened effects

Inactive Publication Date: 2015-07-08
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantage of the prior art is that the material thickness of the wiper strip is reduced at the point where the cutting edge provided for this pushes against the material
As a result, the wiper strip and in particular its resistance are also weakened at these points, leading to damage to the wiper strip under greater loads, for example tearing off the wiper blade at this point

Method used

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  • Wiper blade, especially wiper blade for wiping wind screen of vehicle
  • Wiper blade, especially wiper blade for wiping wind screen of vehicle
  • Wiper blade, especially wiper blade for wiping wind screen of vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] figure 1 A wiper blade 10 is shown with a wiper strip 12 comprising a head part 24 and a wiper lip 29 fastened thereto. Fastened to the wiper strip 12 is an adapter unit 16 for connecting the wiper arm 18 , for example via an articulation pin 69 . Wiper blade 10 can be guided by means of wiper arm 28 for wiping on glass 22 indicated by dotted lines, for example a windshield of a motor vehicle.

[0025] figure 1 The central wiper blade 10 is not yet completely seated on the glass 22 , but its axial wiper blade end rests on the glass 22 , while the wiper strip 12 is still spaced from the glass 22 in the region of the adapter unit 16 . If a pressure is exerted on the adapter unit 16 via the wiper arm 18, then in the associated carrier element 14 ( figure 2 ) under the tension of the wiper strip 12 is just connected to the glass 22. This tension ensures a uniform pressure over the entire length of the wiper blade even if the curvature of the glass changes during the w...

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PUM

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Abstract

The wiper blade (10) has a backlash (12) and an adapter unit (16) for guiding a wiper arm (18). A carrier element has a blocking element, where a deforming device is provided at the adapter unit. The backlash is deformed by the deformation device in the area of the blocking element for generating an anti-skid connection between the adapter unit and the backlash on one side and between the backlash and the carrier element on another side.

Description

technical field [0001] The invention relates to a wiper blade, in particular a wiper blade for wiping the windshield of a motor vehicle, having a wiper strip connected to a support element and a wiper arm fixed to the wiper strip on the adapter unit. Background technique [0002] DE 10322058 A1 describes such a wiper blade. The wiper blade has a wiper strip with a head part which has a longitudinal channel in which a support element in the form of a separate elastic spring rail is arranged. The wiper strip is connected to an adapter unit consisting of two connecting parts fastened to each other. The connecting piece surrounds the surface of the head part of the wiper strip and presses the wiper strip at least partially in the direction of the carrier element. For this purpose, the connecting part has a claw-like connecting strip, which abuts together and the area around the wiper strip when fastening the connecting part, receives the wiper strip and finally by means of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60S1/38B60S1/40
CPCB60S1/386B60S1/3877
Inventor I·奥普特鲁特
Owner ROBERT BOSCH GMBH