Patent ID: 6505377
Filing Date: 2003-01-14
Classification: B60S

Abstract:
A windshield wiper arm comprising a driven fastening part (12) which is pivotably connected to a joint part (14, 60), which is rigidly adjoined by a wiper rod (18, 62), wherein at least one of the parts (12, 14, 16, 18, 62) is shaped from sheet metal, said at least one of the parts (12, 14, 60, 18, 62) formed from sheet metal having at least one region having a plurality of material layers (34, 36, 64, 66, 92) folded up onto one another, wherein the joint part (14, 60) tapers longitudinally (32) beginning at an articulation point (38) with the fastening part (12) and ending at a connection point (30) with the wiper rod (18, 62), and a cross-sectional area of the part having a plurality of material layers (34, 36) folded onto one another increases in a direction from the articulation point (38) to the connection point (30) with the wiper rod, wherein the joint part (14, 60), in a region (40) beginning at the articulation point (38) with the fastening part (12), has a U-shaped profile, and in a first portion (42) the U-shaped profile is formed entirely by only one material layer (34) and in a second portion (44), lateral cheeks (46, 48) of the U-shaped profile at least partly have at least two material layers (34, 36); and in a third portion (50) the U-shaped profile additionally, on its top side (52) at least partly comprises at least two material layers (34, 36) folded onto one another.