| 摘要 |
PROBLEM TO BE SOLVED: To inexpensively manufacture a ground-leveling cover having a cover body part and a covering part without clogging mud on the cover body part. SOLUTION: The ground-leveling cover is a ground-leveling cover 30 mounted on the lower end side of a rear cover 15 for covering the rear of a tillage part 11 for tilling a field and equipped with the cover body part 33 having a ground-leveling surface a for grounding the field and the covering part 34 for covering the lower end side of the rear cover 15. In the ground-leveling cover, a pipe material is processed to thereby form the cover body part 33 into a hollow shape and integrally form the cover body part 33 with the covering part 34. COPYRIGHT: (C)2009,JPO&INPIT
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