| 摘要 |
A device in windscreen wiper arms having at least one rod (10) made from spring steel, one end of said rod being mounted in a pivotable attachment arm (11) whereas the opposite rod end supports means (12) for securement of a wiper blade. The rod (10) comprises means (13-18) for disturbing the path of flow of the passing current of air in such a manner as to cause said current of air to form a pattern of irregular vortices of air downstream of the rod (10). |
