| 摘要 |
A cutting tool includes: a plurality of shaft parts having blades at respective one ends and projections at the other ends; a shaft-receiving part having cylindrical parts fitting to portions of the shaft parts; a guide part having projection-receiving parts extending in one direction, respectively; and stretchable elastic bodies positioned between the blades and the shaft-receiving part, wherein the projections are movably fitted to the respective projection-receiving parts.
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