| 单词 | lock nut |
| 释义 | > as lemmaslock nut lock nut n. a nut screwed down on another to prevent its working loose; (also) a nut specially designed to prevent accidental loosening once it has been tightened; cf. lock washer n. ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > nut > lock-nut lock nut1855 pinching nut1857 1855 Jrnl. Soc. Arts 3 17/1 Lock-nuts are introduced between the head of the screw and the face of the chair, preventing any shifting of the rail. 1907 Westm. Gaz. 21 Nov. 4/2 The steering is..of the worm and segment type, the adjustment of which is easily effected by releasing a lock-nut and slightly turning the steering column. 1964 S. Crawford Basic Engin. Processes xiv. 304 The rollers are secured by tightening the locknut with the special adjusting key. 2002 Independent 22 May 17/4 The nuts on the bolts holding the points together are ‘locked’ by the old fashioned use of ‘lock nuts’. < as lemmas |
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