Granted Patent B2

US 7,775,159 · App. 11/388,609 · Granted Aug 17, 2010

Abstract

Claims (18)

1. An offset print unit comprising:

a plate cylinder;

a blanket cylinder having an end and a blanket gear coaxial with the blanket cylinder;

a drive axle or pinion supporting a gear driving the blanket gear; and

a blanket lift arm for selectively supporting the end to cantilever the blanket cylinder, the blanket lift arm being rotatable about the drive axle or pinion,

a contact point between the blanket lift arm and the end for cantilevering being adjustable.

2. The offset print unit as recited in claim 1 wherein the blanket lift arm includes an eccentric surrounding the drive axle or pinion.

3. An offset print unit comprising:

a plate cylinder;

a blanket cylinder having an end and a blanket gear coaxial with the blanket cylinder;

a drive axle or pinion supporting a gear driving the blanket gear; and

a blanket lift arm for selectively supporting the end to cantilever the blanket cylinder, the blanket lift arm being rotatable about the drive axle or pinion; and

an adjusting screw for adjusting a cantilevering position of the blanket lift arm.

4. The offset print unit as recited in claim 3 wherein the blanket lift arm includes an eccentric surrounding the drive axle or pinion.

5. A method for cantilevering a blanket cylinder driven by an axle or pinion offset from the blanket cylinder and having an axis parallel to an axis of the blanket cylinder, the method comprising:

rotating a blanket lift arm about the axis of the axle or pinion to contact an end of the blanket cylinder to cantilever the blanket cylinder for mounting or removing a sleeve-shaped, axially-removable blanket thereon; and

adjusting a cantilevering position of the blanket lift arm.

6. The method as recited in claim 5 wherein adjusting the blanket arm includes using an adjusting screw.

Assignments (10)