| 摘要 |
A wiper arm for a pivotably connected wiper blade has a fastening part (10) for fastening to a drive shaft (12), by inserting the drive shaft through a widening indentation (38) of the fastening part (10), and a screw nut (44 tenses the fastening part (10) against a bearing face (30) to the drive shaft (12) via a clamping part (40, 50) that is adapted to the indentation (38), and also the contact face (66) between the clamping part (40, 50) and the fastening part (10) forms a part of the surface of a sphere, and the bearing face (30) forms a part of a jacket face of a cylinder, whose cylinder axis (32) extends through the center point (36) of the sphere and parallel to the longitudinal direction (34) of the wiper blade. |
