about an axis parallel to the axis of rotation of the carrier

Full Title

Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies > with types or dies mounted on carriers rotatable for selection > the plane of the type or die face being parallel to the axis of rotation, e.g. with type on the periphery of cylindrical carriers (B41J1/60 takes precedence) > Carriers swinging for impression > about an axis parallel to the axis of rotation of the carrier