Nozzle device for dispensing liquid, has supply of liquid regulated by valve opened or closed depending on position of pivot arm on which nozzle is mounted

摘要

A flow of liquid is dispensed from at least one nozzle (1) mounted on a pivot arm (2). The valve controlling the supply of liquid to the nozzle is kept closed when the arm is close to a first position and when the arm is moved towards a second position this valve is opened.