| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary of a tractor, capable of preventing even muddy soil as hard lumps raised in tillage and/or soil puddling activities from clogging between the mutual blades of the rotary and/or in between a rotary cover and a rotary shaft. SOLUTION: Concerning the rotary of the tractor, a belt 4 having elasticity at a rear position of the blade 2 relative to the rotating direction of the shaft 1 and extending its tip beyond the tip of a blade 2 is provided on a shaft 1 of the rotary. A rod-like projection 12 is provided on the rotating direction side of the shaft 1 of the rotary relative to the belt 4. A ring part 9 is formed of the belt 4 on the side opposite to the rod-like projection 12 and toward the base side of the belt 4 from the position of the rod-like projection 12. Besides, unevenness 15 are provided on the surface on the rotating direction side of the front part of the belt 4. COPYRIGHT: (C)2009,JPO&INPIT
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