Driving system, device for supporting a pipe, in particular of washer liquid, and corresponding wiping system

The element (10) has an opening for retaining a driving shaft that is rotatable around a rotation axis (X). An external contour (13) is formed on the element when the element is observed along the rotation axis. A housing includes a cylindrical groove (31) formed on the element to partially retain a pipe (2). The pipe comprises a curved portion (12) below the external contour. A holding unit (118) holds the pipe in the groove when the pipe is installed on the element. Independent claims are also included for the following: (1) a holding fixture (2) a wiping system.