| 摘要 |
1,170,001. Bolt hole bushes; swivels. AMERICAN DRILL BUSHING CO. 5 Jan., 1967, No. 808/67. Headings F2H and F2Q. A fastening for anchoring a load to a base 14, comprises a stud 10, threaded into a socket in the base, a bush 15 having an annular bearing surface 21 and a ring 22 rotatably mounted on the bush and having pins 27 to pivotally support an eye member 26. The bush is secured on the stud by a clip 24 and plate 23, and the pins 27 are retained in position by further pins 30 trapped by the plate 23 and a flange 17 on the bush. |
