| 摘要 |
<p>An offset printing machine has an eccentrically mounted blanket cylinder (34) operated by a single piston that moves the blanket cylinder (34) from a first position separating the blanket cylinder (34) from both the master cylinder (32) and the impression cylinder (36) to a second position engaging the blanket cylinder (34) with the master cylinder (32) for inking and to a third position engaging both the master cylinder (32) and the impression cylinder (36) for printing.</p> |
