Wiper device for windshields and headlight glasses

A wiper device for automotive windshields and the like, including a wiper arm and a wiper blade of flexible material, said wiper arm having an oblong opening therein, fastening means on said wiper blade adapted to be received within said opening of the arm, said fastening means comprising two cylindrical projections protruding from the blade and adapted to abut with at least portions of their outer surfaces against first and second arcuate end portions of the opening of the arm when the arm and the blade are assembled, each of said projections having means at its outer end adapted to cooperate with an arcuate end portion of the opening, permitting said wiper arm to swing between extreme positions and to yield when obstacles are encountered.