| 摘要 |
PROBLEM TO BE SOLVED: To provide a nose adapter housing structure free of danger that the other area comes in contact with a housed-in nose adapter. SOLUTION: This structure is provided with a right and a left wall 20a and 20b covering the right and left walls of a nose adapter 10, a top wall 20c covering the top of the nose adapter 10, and with a rear wall 20d covering the rear side of the nose adapter 10, and it is so constituted that the nose adapter is put in a housing recessed part 11 formed among the right and left side walls 20a and 20b, the top wall 20c, a rear wall 20d and the back surface 7a of a nail magazine 7 so as to be housed in such a way as not to be protruded out of the housing recessed part 11.
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