Device for a windscreen wiper assembly for forming at least one jet of liquid

The device (10) has a nozzle unit (14) comprising a nozzle (16) for generation of liquid jet from window cleaning liquid. The nozzle unit is pivotably attached at a housing (12) around housing axles (18). An adjustment element (20) adjusts a pivoting position of the nozzle unit. The adjustment element rotates around a longitudinal axis (22) and comprises an eccentric cam element (24) that is provided with an eccentric cam surface (26). The nozzle unit comprises a contact surface (30) that is in contact with the cam surface.