Automobile windscreen cleaning device, has water jet for spraying windscreen coupled to movement of wiper arm

摘要

The windscreen cleaning device (1) has an electrically-driven wiper arm (3) moved across the surface of the windscreen and a water jet (5) for spraying water onto the windscreen, coupled for movement with the wiper arm. The washing liquid line (12) coupling the washing jet with a pump (13) has a rotary linkage (18) with a sliding seal, e.g. an O-ring.