Patent ID: 6758139
Filing Date: 2004-07-06
Classification: B41F

Abstract:
A cylinder comprising:an inner, stationary support, said support having a first end and second end; an outer rotatable jacket on said support; at least first and second rolling bearings positioned between said support and said jacket, said rolling bearings supporting said jacket for rotation about said support; a lubricant and coolant fluid circuit between said support and said jacket, said at least first and second rolling bearings being in contact with a fluid in said lubricant and coolant fluid circuit; a fluid inlet located at one of said first and said second ends of said support and a fluid outlet located at the other of said first and said second ends of said support; and at least one actuating device engageable with a first one of said rolling bearings, said actuating device being operable to vary a first radial spacing between said jacket and said support, said second rolling bearing fixing a second radial spacing between said jacket and said support, said first rolling bearing and said actuating device being arranged at a first end of said jacket.