| 摘要 |
PROBLEM TO BE SOLVED: To provide a combine harvester enabling the flow of grains to be visually observed at an unloading operation, and having a clogging-preventing sensor hardly causing misoperation by the contact with chaff from the upper part regardless of the posture of an unloading auger at the unloading operation. SOLUTION: The combine harvester is equipped with a grain tank 13, the unloading auger 15, an unloading opening 36 arranged at the tip part of the unloading auger 15 and opened downward, an extended discharging opening 60 extended from the midway part of the tip of the opening part in the front and rear direction, and the clogging-preventing sensor 63 arranged at the lower part of the inner surface of the extended discharging opening 60. The side and rear faces of the rear side of the extended discharging opening 60 are covered with a discharging opening sheet 62 constituted of a transparent material, and the clogging-preventing sensor 63 is arranged in the inside of the discharging opening sheet 62. The discharging opening sheet 62 is further extended from the periphery of the lower end of the extended discharging opening 60. A roof member 64 is arranged at the upper part of the clogging-preventing sensor 63. COPYRIGHT: (C)2008,JPO&INPIT
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