Device for changing a numbering and imprinting device in a printing press

Device for exchanging a numbering and imprinting device having a numbering shaft for carrying numbering units thereon and provided with an associated inking unit in a printing press, for another numbering and imprinting device mounted on another numbering shaft, the exchanging device comprising swivelling means swivellable about a horizontal pivot axis, extending parallel to the axis of the numbering shaft, said swivelling means being formed of gripper elements arranged on a cross member and carrying respective left-hand and right-hand journal pins of the numbering shaft, said horizontal pivot axis being formed by the axis of said cross member, and said cross member being mounted longitudinally displaceably on a carriage guide secured to a machine frame located at an end of the printing press, said carriage guide extending parallel to the axis of the numbering shaft, said swivelling means comprising respective swivelling devices associated with each of the numbering and imprinting devices, said carriage guide having a length sufficient for accommodating three of said swivelling devices simultaneously adjacent one another.