Patent ID: 8069784

Claim:
A device in a printing couple ( 101 ) of a printing press comprising: at least one roller ( 129 ) of at least one of an inking unit ( 105 ) and a dampening unit ( 106 ) of the printing couple ( 101 ) and having a roller rotational axis; at least one oscillating drive and being usable to generate an axial oscillating stroke of the roller ( 129 ) in the direction of the roller rotational axis; at least one rotary drive means ( 302 ) and being usable to generate a rotational movement of the at least one roller ( 129 ), the at least one rotary drive means ( 302 ) being embodied as one of an electric motor ( 302 ) and as including an electric motor ( 302 ); and a magnetic coupling arranged separate from said at least one rotary drive means, and positioned between said at least one roller ( 129 ) and said at least one rotary drive means ( 302 ), said magnetic coupling including an inner rotor and an outer rotor, the inner rotor being positioned inside the outer rotor, the inner rotor ( 301 ) and the outer rotor ( 300 ) being movable, relative to one another, in the direction of the rotational axis of the roller ( 129 ) to compensate for the axial oscillating stroke of the at least one roller generated by the at least one oscillating drive.