| 单词 | locking piece |
| 释义 | > as lemmaslocking piece locking piece n. Clockmaking and Watchmaking a piece that momentarily stops the motion of an escape wheel until it is next released; cf. locking pallet n. ΚΠ 1744 J. Neale Longitude Delineated (ed. 2) (Advt. following p. 27) It [sc. a Quadrant for the Pocket] works upon the same Principles as a Watch with the Seconds in the Centre, that so soon as the Observation be taken, by touching the Locking Piece the hands remain fixt. ?1785 J. Imison School of Arts 236 And the notches of the plate B, serve to let the locking-piece C fall into; which comes from the detent D. 2010 C. McKay Big Ben xvii. 248/2 To recommence operation, the quarter-striking locking piece is disengaged from the arrestor hook just before the fourth quarter is to sound and the turnbuckle is then released to enable hours striking to take place. < as lemmas |
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