Subclass 1/30: Typewriters or selective printing mechanisms characterised by the mounting, arrangement, or disposition of the types or dies (non-selective embossing B44B 5/00) with types or dies mounted on carriers rotatable for selection the plane of the type or die face being perpendicular to the axis of rotation (B41J 1/6 takes precedence) Carriers stationary for impression, e.g. with the types or dies not moving relative to the carriers with the types or dies moving relative to the carriers or mounted on flexible carriers