| 摘要 |
On a drawing and conveying apparatus for crops, mainly pulses, growing on stalks or in clumps, especially for front mounting on a harvesting machine provided with a threshing or rubbing device, with a driven drawing and conveying band rotating about parallel horizontal supporting rollers and with a likewise driven drawing runner, cooperating with the drawing and conveying band and rotating at approximately the same circumferential speed about an axis parallel to the supporting rollers, of at least approximately the same width, but of substantially larger diameter than the supporting rollers, furthermore with lateral upright limiting walls on the drawing and conveying band, and with an upper limiting wall located just above the surface of that band, the said limiting walls all extending forwards into the region of the drawing runner and merging at the rear end into a draw-in shaft of the harvesting machine leading to a point of utilisation of the crop, there being formed between the rear end of the drawing and conveying band and that draw-in shaft a gap which serves as a stone trap and into which there is connected at least one ... which is connected to the delivery line of a blower connected on the suction side to the environment, according to German Patent 3,240,423 C2, this gap is made variable and the generally obliquely upwardly and rearwardly pointing blowing direction of the air blow-in nozzle is likewise variable and the blower is dimensioned in a variable way in such a way that the crop ... counter to the ... falling down in the gap ... Original abstract incomplete.
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