Wiper arm device coupled with wiping leaf device, used in wiping system for vehicle e.g. motor car, has spraying unit that is partially integrated into coupling interface provided in wiper arm adapter for coupling wiping leaf adapter

摘要

The wiper arm device comprises a wiper arm adapter (14) that is provided with a coupling interface (10). The coupling interface is used for coupling a wiping leaf adapter (12). A spraying unit (16) is partially integrated into the coupling interface. The coupling interface is provided with a wash water guide passage (18) and a blot element for mounting the wiping leaf adapter into a fastening recess portion (20). Independent claims are included for the following: (1) wiping leaf device; and (2) wiping system.