Patent ID: 6845700
Filing Date: 2005-01-25
Classification: B26D,Y10T

Abstract:
1. A device for mounting and removing blanket strips on a rotary cylinder, wherein the blanket strips have ends and the blanket strips are wrapped around the cylinder; a first holding device on the cylinder for holding a first one of the ends of the blanket strip; a second holding device on the cylinder for holding a second one of the ends of the blanket strip; and a device on at least one of the first and second holding devices for tightening and loosening the respective end of the blanket strip at the at least one of the holding devices; wherein the cylinder has a periphery; the first and second holding devices comprise a groove in the periphery of the cylinder extending along the axial width of the cylinder for holding the blanket strips on the cylinder; the device for tightening and loosening the ends of at least one of the blanket strips comprises a locking and unlocking element in the groove in the periphery of the cylinder; wherein the locking and unlocking element comprises a slide disposed in the groove to be moved in opposite directions along the groove; the tightening and loosening device comprising: linearly extending camming grooves in the slide and angled with respect to the movement of the slide in the groove; respective guide rollers disposed in the camming grooves; and a jaw to which each of the rollers is attached for moving the jaw in a direction across the groove when the slide moves along the groove to move the camming grooves, the jaw being part of the first holding device for the blanket strip, such that movement of the jaw which is caused by movement of the slide acts on at least one end of the blanket strip for selectively tightening and loosening the blanket strip.