US Patent 7093317 Windscreen wiper with spray nozzle

A windshield wiper includes a wiper arm, which is driven via a drive shaft and to which a wiper blade is pivotably connected, in which at least one spray nozzle (10) is disposed on a pivotable part (14), the spray nozzle being composed of a plurality of parts and its housing (16) communicating disconnectably via a water line (18) to a water pump (118). In the housing (16) or in a nozzle body (12) communicating with it, a continuous water conduit (20) connected to the water line (18) is provided, from which a connecting conduit (22) branches off that leads to a spray conduit (24) that is approximately parallel to the water conduit (20) and has a nozzle opening (26), the water conduit (20) being closed on its free end (38).