Patent ID: 6871587

Claim:
A machine press comprising: a frame including: a front ring-shaped main plate that is formed as a single plate and includes, at an upper end thereof, corners having a radius of curvature; a back ring-shaped main plate that is formed as a single plate and includes, at an upper end thereof, corners having a radius of curvature; a plurality of connector plates coupling the front ring-shaped main plate and the back ring-shaped main plate; such that the front and back ring-shaped main plates include side column portions that define a frame opening through which material to be pressed is inserted; the front and back ring-shaped main plates having a crown portion and a bed portion; a slide disposed in the frame opening between the column portions; a bolster disposed above the bed portion; a drive mechanism including a crankshaft for driving the slide in up and down directions; and said crankshaft disposed proximate to the crown portion and orientated perpendicular to a transverse axis of the frame opening, wherein the transverse axis extends through the side columns.