Patent ID: 7516695

Claim:
A press machine comprising: an eccentric shaft; an eccentric annular member provided to be slidable with respect to an outer circumference of the eccentric shaft, and formed such that an outer circumference is eccentric with respect to an inner circumference; a slide provided to the outer circumference of the eccentric annular member; and a slide adjusting device adapted to adjust a height position of the slide with respect to the eccentric annular member; wherein the slide adjusting device includes: an adjustment annular member formed such that an outer circumference of the adjustment annular member is eccentric with respect to an inner circumference of the adjustment annular member, the inner circumference of the adjustment annular member being slidable with respect to the outer circumference of the eccentric annular member, and the slide being mounted to the outer circumference of the adjustment annular member; and an adjusting drive unit which rotates the adjustment annular member.