| 摘要 |
PROBLEM TO BE SOLVED: To fix a fixed angle of saw blade in use by optionally selecting for an infolding saw constituted so that the saw blade can be infolded to a handle side. SOLUTION: A back metal for holding saw blade or the saw blade themselves are, in a freely pivotal manner, fitted to a tip part of the handle. Beside, a support tool for supporting the back metal or a rear part of the saw blade is arranged. By transfer operation of a transfer piece in the support tool, the back metal to the handle or an arranged angle of the saw blade can be optionally adjusted to form the saw handle.
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