| 摘要 |
A two-sided printing machine having a rubber cylinder with an opening in an outer wall thereof. A chain delivery gripper mechanism is freely inserted in the opening as a chain delivery section turning in association with the rotation of said rubber cylinder. An operating mechanism operates the gripper mechanism when it is inserted in the opening so that the gripper grips a sheet delivered out of a sheet inserting section and is provided in association with the rotation of said rubber cylinder. A hooking member is provided in the opening to fixedly lay a blanket on the rubber cylinder under tension.
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