Patent ID: 6533154
Filing Date: 2003-03-18
Classification: B65H

Abstract:
A nipping-roller gap adjusting device in a rotary press which is provided with nipping rollers including a positioned roller rotatably provided at a prescribed position and a movable roller, the nipping rollers are adapted so that the movable roller is capable of forcing a paper web passing between the nipping rollers onto the positioned roller, the nipping-roller gap adjusting device comprising:a pair of supporting arms, a supported end of each of the supporting arms being swingably supported and a supporting end of each of the supporting arms rotatably supporting the movable roller; a pressing force imparting means which applies a force working to the supporting arms in such a direction that causes the movable roller to approach the positioned roller, the pressing force imparting means adjusting the magnitude of the force, a minimum gap setting means for setting a minimum gap between the positioned roller and the movable roller; a gap adjusting means which is supported together with the positioned roller and which adjusts a distance making the movable roller approach the positioned roller; and a fixed frame member which rotatably supports the positioned roller, the gap adjusting means being mounted on the fixed frame member.