Patent ID: 7322174

Claim:
A crop processor roll assembly for a forage harvester comprising: A shaft; A crop processor roll having a generally cylindrical surface for cracking kernels in crop material engaged by the surface and at least one end plate provided with a bore for receiving therein an end of the shaft; At lest one removable mounting element for mounting the crop processor roll to the shaft; wherein the mounting element comprises a sleeve, the interior of which is joined to the shaft by an inner interference fit; and the exterior of the sleeve is joined to the roll by an outer interference fit, wherein the exterior of the sleeve comprises a recess outside the outer interference fit, providing an annular cavity between the sleeve and the bore of the end plate for allowing elastic deformation of the sleeve, wherein the sleeve is provided with a flange for affixing the sleeve to an outer face of the at least one end plate, further wherein the recess extends in a radial direction between the outer face of the at least one end plate and the flange.