US Patent 7210190 Wiping device

A wiping device particularly for motor vehicles includes a wiper blade formed of a wiper rubber with two longitudinal grooves arranged opposite each other and a supporting element in the form of two elongated elastic rails arranged in the longitudinal grooves. An adapter element is provided on the supporting element to connect the wiper blades to a driveable wiper arm. A connecting element extending in a cross direction is used to connect the opposite-lying elastic rails and is arranged on at least one of the free ends of the wiper blade. The connecting element is welded to both of the front sides of the extremities of the elastic rails which are situated opposite each other.