| 摘要 |
The invention relates to a four bar wiper-arm (14) with a drive arm (20), rotationally fixed to a drive shaft (90) and connected to a link-arm (22) by means of a coupling element (16), which is pivotably mounted in a bearing (92) on a vehicle chassis. According to the invention, the drive arm (20) forms an angle ( alpha ) of about 90 DEG with the coupling element (16) in a parked position (46) of the windscreen wiper (70) and may be adjusted about an adjustment axis (24), running roughly parallel to the coupling element (16) and cutting the longitudinal axis of the drive shaft (90). Furthermore, the coupling element (16) is connected to the link-arm (22) by means of a ball-joint (32).
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