Patent ID: 7699001

Claim:
An apparatus for pressing a covering onto a printing unit cylinder of a rotary press, the apparatus comprising: a carrier having a closed profile; a plurality of longitudinal channels within an interior of said closed profile; a plurality of operating cylinders each having a first pressure space and a second pressure space flow-connected to said channels; and a plurality of pressure rollers connected to said plural operating cylinders so that said plural pressure rollers can be set against the printing unit cylinder by supplying pressure medium to said plural operating cylinders; first piston-rod side pressure spaces corresponding to one of the first and the second pressure spaces of each of the plural operating cylinders are flow-connected to a first longitudinal channel of said plural longitudinal channels positioned within said closed profile; and second piston-base-side pressure spaces corresponding to the other of the first and the second pressure space of each of the plural operating cylinders are each flow-connected to a separate second longitudinal channel of said plural longitudinal channels positioned within said closed profile.