Abstract
An improved brush cleaning comb has been developed by the Missoula Technology and Development Center using an approach suggested by the USDA Forest Service’s Bend Seed Extractory. Brushing machines remove the awns (stiff, slender, sometimes barbed stalks) when grass seeds are cleaned. Rotating brushes cut off the awns by scraping the seeds against the brushing machine’s wire mesh mantle screen. The improved brush cleaning combs keep the awns from clogging the rotating brushes.
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