Patent ID: 7793382

Claim:
Wiper arm ( 10 ) for a window wiper system, with a fastening part ( 12 ) for connection to a drive shaft, wherein a tiltably fastened cover unit ( 24 ) having a top side ( 40 ) and two side wings ( 26 , 28 ) which are open to a front side ( 34 ) and are connected via a closed rear side ( 36 ) is provided for at least partially releasing the fastening part ( 12 ), and the cover unit ( 24 ) can be latched in the tilted state to the fastening part ( 12 ), characterized in that, on an inner side of at least one side wing ( 26 , 28 ), the cover unit ( 24 ) has an inwardly projecting rib ( 30 , 32 ) elongated in a direction generally aligned with the top side for latching of the cover unit ( 24 ) in the tilted state, the rib ( 30 , 32 ) being spaced from a rotary support ( 52 , 54 ) of the cover unit ( 24 ) and where it is further located between the rotary support ( 52 , 54 ) and the top side ( 40 ) and, upon tilting of the cover unit ( 24 ), can be guided at least partially along a curved outer contour ( 22 ) of the fastening part ( 12 ).