| 单词 | contrate pinion |
| 释义 | > as lemmascontrate pinion 2. contrate wheel: a wheel having teeth set at right angles to its plane; in watch-making, the wheel of this kind which works in the pinion of the balance or crown-wheel of a vertical watch. Also contrate teeth, contrate pinion. ΘΚΠ the world > time > instruments for measuring time > watch > [noun] > parts of barrel1591 motion1605 bezel1616 fusee1622 string1638 crown wheel1646 out-case1651 watch-box1656 nuck1664 watchwork1667 balance-wheel1669 box1675 dial wheel1675 counter-potence1678 pendulum-balance1680 watch-case1681 pillar1684 contrate teeth1696 pinion of report1696 watch-hook1698 bob-balance1701 half-cock1701 potence1704 verge1704 pad1705 movable1709 jewel1711 pendant1721 crystal1722 watch-key1723 pendulum spring1728 lock spring1741 watch-glass1742 watch-spring1761 all-or-nothing piece1764 watch hand1764 cylinder1765 cannon?1780 cannon1802 stackfreed1819 pillar plate1821 little hand1829 hair-spring1830 lunette1832 all-or-nothing1843 locking1851 slag1857 staff1860 case spring1866 stem1866 balance-cock1874 watch-dial1875 balance-spring1881 balance-staff1881 Breguet spring1881 overcoil1881 surprise-piece1881 brass edge1884 button turn1884 fourth wheel1884 fusee-sink1884 pair-case1884 silver bar1884 silver piece1884 slang1884 top plate1884 karrusel1893 watch-face1893 watch bracelet1896 bar-movement1903 jewel pivot1907 jewel bearing1954 1696 W. Derham Artific. Clock-maker i. 5 The Contrate-Wheel, is that Wheel in Pocket-Watches, which is next to the Crown-Wheel, whose Teeth and Hoop lye contrary to those of other Wheels. 1773 T. Hatton Introd. Clock & Watch Work 13 After the manner of contrate-wheel teeth. 1795 W. Herschel in Philos. Trans. (Royal Soc.) 85 392 These wheels carry contrate teeth on the inside, and a small dial-plate on the back. 1838 Penny Cycl. XII. 302/2 Vertical Watch—The centre-wheel gives motion to the third wheel pinion, to which is attached the third wheel, acting upon the contrate-wheel pinion, on which is placed the contrate-wheel, acting in the pinion of the balance-wheel, which is also called the scape-wheel. < as lemmas |
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