| 摘要 |
983,878. Locking nuts. ELASTIC STOP NUT CORPORATION OF AMERICA. March 29, 1962 [April 11, 1961], No. 12185/62. Heading F2H. A castellated metal nut includes resilient material e.g. an insert collar 16 of nylon, having castellations 18 in correspondence to the nut and for engagement with the bolt thread for locking, with subsequent expansion into the spaces between the nut castellations 12 to cushion a cotter pin to be used with the nut. The bottoms of the slots between the nylon castellations are level with or proud of the bottoms of the slots between the metal castellations and the nylon slots may be narrower.
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