| 摘要 |
PROBLEM TO BE SOLVED: To compose a grain tank structure so as to suitably respond to a state in which grains stay on the top surfaces of top board members in a state of a transverse wall part operated to an overhanging posture when the transverse wall part on the transverse outside of a grain tank is composed so as to be subjected to freely shaking operation in a housed posture and the overhanging posture overhanging to the transverse outside around a fulcrum in the lower part in the grain tank structure of a combine harvester. SOLUTION: The transverse wall part 6 on the transverse outside of the grain tank 5 is composed so as to be subjected to the freely shaking operation in the housed posture and the overhanging posture overhanging to the transverse outside around the fulcrum in the lower part. Freely foldable top board members 14 and 15 are connected to the upper part of transverse wall part 6 and the grain tank 5. Openings 19 and 20 for returning grains emerging to the top surfaces of the top board members 14 and 15 to the interior are installed in the top board members 14 and 15. COPYRIGHT: (C)2005,JPO&NCIPI
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