| 摘要 |
957,572. Screw sockets. PATON CALVERT & CO. Ltd. Dec. 12, 1962 [Feb. 21, 1962], No. 6833/62. Heading F2H. A retaining member whicn presents a shoulder S at the end of a screw-threaded rod R, is constituted by a nut blank of flexible plastics material or rubber having a blind tapered bore B adapted to have screw threads formed therein on its rotation in contact with the screw threads on the rod. The retaining member has a cylindrical counterbore C of diameter commensurate with the external diameter of the rod R and leading into the tapered bore B. |
