| 摘要 |
PROBLEM TO BE SOLVED: To provide a fitting-part structure of a replacement component for speedup in replacement work. SOLUTION: A shaft part 41 is projectingly provided to a connection part 21 placed to an arm 11. A cross groove 46 crossing the shaft part 41 is made in the tip-end surface 44 of the shaft part 41. In the cross groove 46, a screw part 52 and a flat part 53 are provided. The screw part 52 is wound spirally as it goes to the base end of the shaft part 41. The flat part 53 is provided continuously to the tip-end of the screw part 52 so as to be extended nearly parallel with the tip-end surface 44. A wire spring 71 to be inserted in the cross groove 46 of the shaft part 41 is provided in a measuring head 12, and both ends of the spring 71 are fixed to the measuring head 12. COPYRIGHT: (C)2007,JPO&INPIT
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