Patent ID: 8250977
Filing Date: 2012-08-28
Classification: B41F,B41P

Abstract:
1. A variable-diameter printing press cylinder comprising: a cylinder body; a first shell segment having a first circumferential end portion; a second shell segment having a second circumferential end portion, the first and second shell segments being mounted on the cylinder body via the first and second circumferential end portions; at least one first locking device on the cylinder body; at least one second locking device on the cylinder body, the first shell segment being connectable to the cylinder body by connecting the at least one first locking device to the first circumferential end portion and the second shell segment being connectable to the cylinder body by connecting the at least one second locking device to the second circumferential end portion; wherein the first shell segment includes a plurality of first radial supports running circumferentially with respect to the cylinder body and the second shell segment includes a plurality of second radial supports running circumferentially with respect to the cylinder body and the at least one first locking device includes a plurality of first locking devices and the at least one second locking device includes a plurality of second locking devices, at least one of the plurality of the first radial supports contacting one of the plurality of first locking devices and at least one of the plurality of second radial supports contacting one of the plurality of second locking devices; and wherein the cylinder body includes a plurality of first radial grooves and a plurality of second radial grooves, at least one of the plurality of first radial grooves receiving one of the plurality of first radial supports and at least one of the plurality of second radial grooves receiving one of the plurality of second radial supports.