| 摘要 |
In a printing press having a plurality of inking mechanisms and plate cylinders with backing cylinders driven by a common central gear, the plate cylinders, inking mechanisms and inking cylinders (if any) are mounted on carriages which can be moved towards and away from the central gear. The shafts of respective upper and lower backing cylinders are mounted at the ends of two-armed levers which intersect in pairs, are pivotably mounted on the central shaft of the central gear and are provided with means for pivoting same in opposite senses or directions.
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