Patent ID: 8782847

Claim:
An adapter ( 22 ) for the articulated connection of a connecting element ( 86 , 102 , 120 ) at the end of a wiper arm to a connector element ( 18 ) of a wiper blade ( 10 ), wherein the adapter ( 22 ) has a base element ( 24 ), characterized in that the base element ( 24 ) has two lateral walls ( 30 ) which, at end faces thereof facing away from the wiper arm, are connected by an end cap ( 26 ), and in a region of upper edges ( 64 ) thereof are connected to each other by a crosspiece ( 32 ) and also by a hub ( 34 ), a resilient tongue ( 38 ) extends from the crosspiece ( 32 ) to an end face on a wiper arm side and has at a free end thereof an outwardly protruding button ( 40 ), guide profiles ( 50 ) are provided on longitudinal edges of the lateral walls ( 30 ) facing towards the wiper strip ( 16 ), during assembly the button ( 40 ) actuates a blocking element ( 42 ) such that an improper assembly is prevented by said blocking element, and the button ( 40 ) has a slider ( 42 ) as the blocking element on a wiper arm side thereof, which protrudes laterally over the button ( 40 ) and is guided along front edges ( 44 ) of the lateral walls ( 30 ) in an elastically pliable manner.