WIPER ARM DEVICE

The invention is based on a wiper arm device with a fastening unit (10a - 10f) that comprises a drive shaft receptacle (12a - 12f) for a drive shaft (14a; 14f), wherein the fastening unit (10a - 10f) comprises a base body (16a - 16f) that is provided for fastening a wiper rod (18a - 18f) to the drive shaft (14a; 14f). It is proposed that the fastening unit (10a - 10f) comprises a hose guide unit (20a - 20f) that is provided for guiding a washer fluid hose (22a - 22f) in proximity to the drive shaft, out of the fastening unit (10a - 10f) in the direction of a washer fluid source (24a).