end the pivot 5 which allows one end of the cable chain 30 to rotate vertically around it is fixed to the ceiling 16 the vehicle 1 may preferably move according to only three predetermined types of move all commanded by user through joystick 8 the vehicle 1 may translate along horizontal axis t 1 which is the longitudinal axis of the vehicle 1 linking motorized wheels 9 to free wheels 11 free wheels 11 can freely rotate around a vertical axis too in order to be oriented in any horizontal direction the vehicle 1 may translate along horizontal axis t 2 which is orthogonal to horizontal axis t 1 the vehicle 1 may also rotate around a vertical axis av which contains the isocenter 12 of the c arm 2 the isocenter 12 of the c arm 2 is the point around which the c arm may be rotated when taking images of a patient lying on an examination table fig2 shows an example of a mobile medical imaging robot according to at least one exemplary non limiting embodiment shown with an examination table in its neighborhood an examination table 18 comprising a support 19 of a tray 20 is in position so that the c arm 2 may take images of a patient who would lie on the tray 20 a screen 21 held on a rail fixed on the ceiling 16 may.