| 摘要 |
A threaded joint that has connected parts with opening, bolt installed to openings of parts, nut with support surface screwed on the bolt, and nut retainer. The nut retainer has a bushing made of friction material, mostly of oil-proof rubber, arranged as one part with the nut retainer, and the nut support surface has circular socket placed concentrically with respect to axis of the nut, there bushing is placed. |
