Patent ID: 8091328
Filing Date: 2012-01-10
Classification: A01D

Abstract:
1. A header for harvesting coppice crops, said header being adapted to be mounted on and powered by a forage harvester, said header comprising at its front 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, wherein each feeding drum is equipped with at least one flat hook-shaped extension adapted to grab the base of the cut stems in the region immediately above the rotatable knives, wherein the hook-shaped extension has a concave side and a convex side, the concave side has a straight portion extending radially outwardly from an axis of rotation of the hook-shaped extension, the convex side is an outwardly curved portion, the hook shaped portion has a forwardly bent portion at a distal end of the hook-shaped extension where the concave and convex portions intersect, the bent portion is bent forwardly with respect to a direction of rotation of the hook extension, and the bent portion is bent at a sufficient angle in order to aggressively grab the cut stems.