This invention relates to harvesters that integrate grain cutting, threshing, and separating mechanisms into coordinated units, and more specifically to a production line for delivering cut grain to the winnowing mechanism, with the primary goal of the invention being to maintain a steady and consistent flow of cereals from the trimming mechanism to the threshing mechanism regardless of grain density variation. The combine harvester, widely recognized as one of the most important agricultural technologies, significantly decreased the need for human labor while simultaneously speeding up the harvesting process.
US Patent Number: 1,863,691
Invention: Combine Harvester
Inventor: P. J. Hanson
Year: 1932
Material: Ink on Japanese museum-quality archival paper. Thickness of paper: 10.3 mil (0.26 mm). Weight of paper: 5.57 oz/yd² (189 g/m²)
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