Three-drum perfecting device for sheet-processing machine

In a three-drum reversing device for a sheet-fed rotary printing machine, it is provided a first transfer cylinder with a double- or multiple-large diameter, a subsequent storage drum with a double- or multiple-large diameter and this downstream turning drum with an at least single-large equip diameter and to provide the transfer cylinder and the turning drum with an outer contour which is smaller than a defined by the gripper rows of said cylinders and drums circular periphery.