| 摘要 |
PROBLEM TO BE SOLVED: To improve exhaust dust-selecting performance, recovery of a fourth product and exhaust straw-conveying performance by preventing scraps of straw from staying. SOLUTION: The thresher is constructed as follows: covering the upper part of an exhaust dust-selecting chamber, equipped with a sucking dust-discharging fan at one side, with a front casing and a rear casing; forming the front casing into an acclivitous slope directed to the rear upper direction; forming the rear casing into a declivous slope directed to the rear lower direction; positioning the upper side tops of the front and rear casings at the upper part of the vicinity of the fan shaft center of the dust-discharging fan; and forming a casing cover body having the nearly same tilted angle at the upper part of the rear casing. COPYRIGHT: (C)2006,JPO&NCIPI
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