Hand proofer tool

摘要

A proofing tool, including an anilox roll and an impression roll shiftable relative to each other from an engaged position and a disengaged position and a positive stop nip adjustment mechanism. operably connected to the anilox roll and the impression roll and being adjustable whereby when the anilox roll and the impression roll are in the engaged position the positive stop prevents the nip distance from being smaller than a set value.