| 摘要 |
PROBLEM TO BE SOLVED: To provide a versatile sickle kept to cut well, solving the problems that a saw part wears out and becomes blunt due to pebbles in weeding in a field. SOLUTION: The sickle is provided with five special teeth of about 50 degrees at around the range from the tip end to the center of the sickle (with toothed blade) by a means for facilitating weeding and removing grass from the root simply. COPYRIGHT: (C)2009,JPO&INPIT
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