Forage harvester
阅读：775发布：2021-08-18
专利汇可以提供Forage harvester专利检索，专利查询，专利分析的服务。并且A forage harvester of the type having a cylindrical type cutterhead rotatively mounted in the frame. A curved crop confining member is mounted within the frame and is closely spaced to the cutterhead, the curved member being provided with a plurality of bars which extend generally parallel to the axis of rotation of the cutterhead and cooperate with the knives of the cutterhead to cut and/or abrade any grain which passes between the cutterhead and the curved member.，下面是Forage harvester专利的具体信息内容。
1. A forage harvester adapted to cut grain bearing crop and abrade the grain comprising: a frame, a shear bar mounted on the frame, feed means mounted on the frame adjacent the shear bar and capable of receiving crop material and feeding it past the shear bar, a cylindrical type cutterhead rotatably mounted on the frame, the cutTerhead being provided with a plurality of knife means operable upon rotation of the cutterhead to pass closely adjacent the shear bar and cut any crop material being fed past the shear bar, discharge means mounted on the frame through which the cut crop material may be discharged, and a curved crop confining member having a continuous impervious surface extending away from the shear bar and closely spaced to the periphery of the rotatable cutterhead, the cut crop material being propelled along the crop confining means during rotation of said cutterhead, said crop confining means being provided with raised portions defining shallow generally smooth recesses of a depth less than the average thickness of the grain to be abraded, said raised portions being spaced apart a distance greater than the average thickness of the grain to be abraded, the parts being so arranged and constructed that during rotation of the cutterhead the knives will (a) cut any crop material being fed past the shear bar, (b) will propel the cut crop material along the curved crop confining member and simultaneously cut and/or abrade the grain in the cut crop in cooperation with said raised portions, and (c) eject the crop through the discharge means after the crop material has moved along the length of the curved crop confining member.
2. The forage harvester set forth in claim 1 in which the side of the raised portions adjacent the shear bar extend generally radially towards the axis of rotation of the cutterhead.
3. The forage harvester set forth in claim 1 in which said raised portions are a plurality of bars.
4. The forage harvester set forth in claim 3 in which said bars extend generally parallel to the axis rotation of said cutterhead.
5. The forage harvester set forth in claim 3 in which said bars have a radial height of approximately 3/16th of an inch.
6. In a forage harvester adapted to cut grain bearing crop and abrade the grain, the forage harvester having a frame, a shear bar mounted on the frame, feed means mounted on the frame adjacent the shear bar and capable of receiving grain bearing crop material and feeding it past the shear bar, a discharge spout mounted on the frame, a cylindrical type cutterhead rotatably mounted within the frame, the cutterhead being provided with a plurality of knife means operable upon rotation of the cutterhead to pass closely adjacent the shear bar, and a curved crop confining member having a continuous impervious generally smooth surface extending away from the shear bar towards said discharge spout, the combination therewith of a plurality of spaced apart bars mounted on the interior of the curved crop confining member and closely spaced to the periphery of the rotatable cutterhead, each of the bars extending in a direction generally parallel to the axis of rotation of said cutterhead and being spaced apart a distance greater than the average thickness of the grain to be abraded, the parts being so arranged and constructed that during rotation of the cutterhead the knives will (a) cut any crop material being fed past the shear bar, (b) will propel the cut crop material along the curved member and simultaneously cut and/or abrade the grain in the cut crop in cooperation with said plurality of bars, and (c) eject the crop through the discharge spout after the crop material has moved along the length of the curved crop confining member.
7. The forage harvester set forth in claim 6 in which the inner surface of the bars are spaced approximately 3/16th of an inch from the inner surface of the curved member.
8. The forage harvester set forth in claim 6 in which the inner surface of the bars are spaced approximately 1/16th of an inch from the outer radial periphery of the knives.
9. The forage harvester set forth in claim 6 in which the frame is provided with a curved portion which extends at least 60* towards the discharge spout, he crop material being propelled by the rOtatable cutterhead over said curved portion towards and through the discharge spout.
10. A forage harvester adapted to be propelled forwardly over a field to cut grain bearing crop material and abrade the grain comprising: a frame including a pair of longitudinally extending spaced apart side sheets and an intermediate curved portion spaced between said side sheets, a discharge spout mounted on the frame and extending upwardly from one end of the curved portion, a cutterhead rotatably mounted within said side sheets, said cutterhead being provided with a plurality of knife means adapted to pass closely adjacent to the curved portion during at least 60* of rotation, a shear bar mounted on the frame and spaced closely adjacent the outer radial periphery of the knives, feed means mounted on the frame adjacent the shear bar and capable of receiving crop material and feeding it past the shear bar, and a curved crop confining member having a continuous impervious surface removably mounted between the side sheets and extending away from the shear bar and closely spaced to the outer radial periphery of the knives on the rotatably cutterhead, the cut crop material being propelled along the curved crop confining member during rotation of said cutterhead, said curved crop confining member being provided with a plurality of bars mounted on the interior of the curved member and closely spaced to the periphery of the rotatable cutterhead, said bars defining shallow generally smooth recesses of a depth less than the average thickness of the grain to be abraded and said bars being spaced apart a distance greater than the average thickness of the grain to be abraded, the parts being so arranged and constructed that during rotation of the cutterhead the knives will cut any crop material being fed past the shear bar, will propel the cut crop material along the curved member and simultaneously cut and/or abrade the grain in the cut crop in cooperation with said plurality of bars, and eject the cut and abraded crop material through the discharge spout after the crop material has moved along the length of the curved crop confining member.
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