| 摘要 |
PURPOSE: To reduce an installation space, to adjust a nip pressure between a roller and an ink fountain roller corresponding to the diameter of the roller, to adjust easily the nip pressure, and to separate a duct roller from the ink fountain roller in ink roller washing etc. CONSTITUTION: In a roller which has a pair of oscillation shafts 22, 23 which are installed separately on a common oscillation center, a roller support shaft 25 installed between the oscillation shafts 22, 23, a duct roller main body 26 which is supported rotatably by the shaft 25, a pair of bearings 24a, 24b which are installed at both ends of the shaft 25, the roller center of the duct roller main body 26 is supported by the bearings 24a, 24b movably in parallel with the oscillation center. |
