Wiper blade for cleaning vehicle windows

The invention relates to a wiper blade (10) for cleaning vehicle windows, with a wiper blade body (11) connected to a wiper blade adapter (13), wherein the wiper blade adapter (13) consists of an adapter element (18) on the wiper arm side and an adapter element (17) on the wiper blade side, which are arranged pivotably with respect to one another in an axis (19), and with a distributor element (30; 30a) arranged pivotably in the axis (19) for a washing fluid connection and/or an electrical connection for the wiper blade body (11), wherein the distributor element (30; 30a) is received between two side walls (24, 25) of the adapter element (17) on the wiper blade side, wherein an aperture (26, 27), round in cross-section, is formed respectively on the two side walls (24, 25) of the adapter element (17) on the wiper blade side, aligned to the axis (19), and wherein the distributor element (30; 30a) on the side facing the side wall (24, 25) respectively has a conical bearing extension (37; 37a, 38; 38a), which engages into the aperture (26, 27).