A drive device for a shade for vehicles, the drive device comprising a slider that is movable between a first position and a second position; a rope at which the slider is attached and configured to move the slider between the first position and the second position; a rod mounted at the slider and supported by the slider along a movement path of the rod; a deflection device that deflects the rope coming out of the slider in a first direction into a second opposite direction and that is arranged laterally from the movement path of the rod; a housing in which the deflection device is arranged; a support or guide tube in which the slider is movable and which is arranged at the housing; and a return device which displaces the rope that is deflected into the opposite direction in a direction towards the movement path of the rod.