| 摘要 |
PROBLEM TO BE SOLVED: To provide a female screw body without causing looseness even to any vibration after fastening a fastening member by simplifying a structure by forming the female screw body of a single body composed of one part. SOLUTION: This female screw body 1 is formed of a fastening part 2 and a deformation part 3 as indicated in Fig.1, and the female screw body 1 is constituted by arranging a screw part 7 inside the female screw body 1 by arranging a thin part 4 and a thick part 5 in the deformation part 3, and a fastening surface 6 on a side surface, by forming the deformation part 3 in a cylindrical shape. COPYRIGHT: (C)2007,JPO&INPIT
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