| 单词 | winding jack |
| 释义 | > as lemmaswinding jack 15. More fully winding jack. A device or mechanism used for making a large clock easier to wind. ΚΠ 1850 E. B. Denison Rudimentary Treat. Clock & Watch Making iii. cxli. 181 The loose jack consists of a frame containing a wheel and pinion with the arbor of the pinion squared to form the winding square. 1885 Horol. Jrnl. Dec. 63/2 The train of wheels of the jack would prevent the weight from rotating it. 2010 C. McKay Big Ben p. xiv. (gloss.) Winding jack, reduction gear to make winding a clock easier. < as lemmas |
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