| 摘要 |
PROBLEM TO BE SOLVED: To provide a chaff sieve structure of a thresher, capable of well selecting, even in its full closed state by setting the chaff sieve at a minimum interval. SOLUTION: The chaff sieve structure is provided by forming a folded part 53a bending to upper direction relative to the board surface of a selecting plate 53 below the selecting plate 53, and forming a bulged-out part 53d bulging-out to lower direction relative to the board surface of the selecting plate 53 over a full width in width direction or a wide width in the width direction, at the vertical middle part of the selecting plate 53. COPYRIGHT: (C)2011,JPO&INPIT |
