Patent ID: 8220238

Claim:
A header for harvesting coppice crops, said header being adapted to be mounted on and powered by a forage harvester moving in a first direction, said header comprising at the front side two circular rotatable knives, a feeding drum being mounted above each knife, said drums being rotatable about the same rotation axis as the respective knives, the header further comprising a front feed roll rotating in a second direction, wherein the second direction is opposite to the first direction, the front feed roll is placed behind the knives and two additional feed rolls placed behind the front feed roll, wherein the front feed roll is equipped with guiding blades along the length of the feed roll, said blades having a central protrusion, so that the lengths of the blades are greater in a region around the middle of the blades than at the lateral ends of the blades, wherein the lateral ends of the blades are orientated radially with respect to the rotation of the front feed roll, further wherein the central protrusion is an inclined surface bent forwardly with respect to the rotation of the front feed roll, such that when a blade has rotated to the to of the first feed roll, the blade is bent rearwardly away from the feeding drum and knives.