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Wiper blade with an adaptor unit for coupling to a wiper arm

A wiper arm and wiper blade technology, which is applied in vehicle cleaning, vehicle maintenance, transportation and packaging, etc. It can solve problems such as connections are no longer fastened enough, wiper blades are loosened, broken, etc., and the structural size is achieved The effect of small, inexpensive, strong and robust connections

Active Publication Date: 2014-03-19
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 pin-shaped fixing element breaks when very high forces are applied to it
This leads to the fact that the axial connection between wiper blade and wiper arm is no longer at least sufficiently tight and loosens when the wiper blade is operated

Method used

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  • Wiper blade with an adaptor unit for coupling to a wiper arm
  • Wiper blade with an adaptor unit for coupling to a wiper arm
  • Wiper blade with an adaptor unit for coupling to a wiper arm

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0034] According to one specific embodiment, the wiper blade 110 is designed as a flat beam, ie the wiper strip 112 has a lateral longitudinal groove, which is formed, for example, on the back strip 124 and in which two are arranged. Carrier rails, preferably spring rails. As an alternative thereto, the wiper strip 112 can be designed as a hollow profile with an approximately central longitudinal channel, for example arranged in the rear web 124 , in which a single carrier rail is arranged.

[0035] Attached to the wiper strip 112 is an adapter unit 160 , which is covered by an optional cover-shaped fastening means 150 , and which is used to articulate the wiper strip 112 on a wiper arm 190 , by means of which The wiper arm can guide the wiper blade 110 for wiping a window 122 shown in dashed lines, for example a motor vehicle window. The fastening cover 150 is therefore optional, since the use of the fastening cover 150 can be dispensed with when the adapter unit 160 and the...

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PUM

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Abstract

In a wiper blade for a window wiper, with a wiper strip (112) and an adaptor unit (160) for coupling the wiper strip (112) to a wiper arm (190), wherein the adaptor unit (160) has a base connecting device (260) which is fastened to the wiper strip (112) and has a wall element (263) which faces the wiper strip (112) and on which at least one rounded supporting surface (210) for the wiper arm (190) is provided, the wiper arm (190) being mountable on the supporting surface so as to be pivotable at least in regions about an axis of rotation (215) assigned to the supporting surface (210), the adaptor unit (160) is assigned a bearing element (500) which is designed in the manner of a rocker and is intended for arranging between the wiper arm (190) and the base connecting device (260), wherein the bearing element (500) is mountable so as to be pivotable on the base connecting device (260).

Description

technical field [0001] The invention relates to a wiper blade for a windshield wiper with a wiper strip and an adapter unit for articulated connection of the wiper strip to a wiper arm, wherein the adapter unit has a Basic connecting device on a wiper strip, the basic connecting device has a wall element facing the wiper strip, on which at least one rounded bearing surface for a wiper arm is arranged, the wiper arm can It is mounted at least partially on the bearing surface so as to be pivotable about an axis of rotation associated with the bearing surface. Background technique [0002] Such wiper blades are known from the prior art with a wiper strip which is articulated to the wiper arm via an associated adapter unit. The adapter unit is permanently fastened to the wiper strip and has a wall element facing the wiper strip, on which a rounded bearing surface is provided for a wiper arm, the wiper arm being at least The bearing surface is mounted pivotably about an axis of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60S1/40B60S1/38
CPCB60S2001/4096B60S1/4083B60S1/3851
Inventor J.黑勒
Owner ROBERT BOSCH GMBH
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