Patent ID: 9554510
Date: 2017-01-31
CPC Classifications: A01D

Claim:
1. A header assembly for a harvester, comprising: a primary cutter head for cutting and conveying crop into a feeder configured for feeding the crop into the mouth of a crop processing mechanism; and a secondary scissor-action cutter head trailing behind the primary cutter head for cutting stalks left standing by the primary cutter head, the secondary cutter head supported by ground engaging roller assemblies; wherein the roller assemblies include at least one support cylinder having a circumferentially discontinuous ground engaging outer surface operative to perform a preliminary processing of at least one of crop residue and soil, and wherein the at least one support cylinder has a plurality of blades that extend generally axially and are spaced from one another circumferentially, said at least one support cylinder comprising a plurality of axially spaced disks to which the blades are secured.