Wiper blade adapter device

The wiper blade adapter device (10) comprises a wiper blade adapter (12) with a receiving area (14), which is arranged for receiving a wiper arm adapter (16) of a wiper arm (18). A wiper blade adapter cap (20) holds the wiper arm adapter of the wiper arm in the receiving area, where the wiper blade adapter cap is guided along a path on the wiper blade adapter over a guide unit (22). The guide unit arranged on the wiper blade adapter, has guide recesses (30,32), which are formed by a guide groove.