Wiper blade device for wiper blade, has spring rail unit, which is partially formed as washing water channel unit, where nozzle element is provided to spray washing water on surface to be cleaned

摘要

The wiper blade device (10a) has a spring rail unit (12a), which is partially formed as a washing water channel unit (14a). The spring rail unit is formed as a pipe, which partially forms the washing water channel unit. The spring rail unit has a coating, which partially forms the washing water channel unit. The washing water channel unit is formed by folding the spring rail unit. A nozzle element is provided to spray washing water on a surface to be cleaned.