Windscreen wiper driving head holding a washing liquid pipe

The device (1) has a driver (10) comprising an orifice (11) to receive a rotation shaft, where shaft is rotated about a rotation axis (X). The driver comprises an outer contour (13) when the driver is observed along a rotation axis. A cap is fitted to the driver, where the driver and the cap comprise a housing (30) that is arranged to partly receive a pipe (2). The pipe comprises a curved portion (12) around an orifice, where the portion of the pipe is set back from the outer contour of the driver when the device is observed along the rotation axis with the cap assembled on the driver. An independent claim is also included for a method for mounting a windscreen washer liquid pipe in a retaining device.