ABSTRACT OF THE DISCLOSUREA flat platen-type cutting and creasing press forsheet material includes a continuously moving closed loopconveyor means that carries sheet gripping means in a feeddirection along a generally horizontal feed path extendingthrough a sheet loading station, a sheet unloading station,and a cutting station having die means positioned thereatwith the cutting station being positioned between the sheetloading and unloading stations. Eccentric shaft means rota-ting at uniform speed drives platens carrying the die meansalong a rotary path positioned for the die means to opera-tively engage and thereby fully cut a sheet moving alongthe feed path through said cutting station. Rotating coun-terbalancing weights on the eccentric shaft means are dis-posed between points on the platens that are connected tothe eccentric shaft means.
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