| 单词 | banking screw |
| 释义 | > as lemmasbanking screw 2. Chiefly Watchmaking and Clockmaking. A part of a mechanism designed to restrict the motion of another part; spec. a part of an escapement which restricts the motion of the balance wheel. Also: the action of limiting the movement of part of a mechanism by this means. Also attributive in banking pin, banking screw. Cf. bank v.1 8. ΘΚΠ the world > time > instruments for measuring time > watch > [noun] > making watches > specific procedures in banking1765 timing1825 1765 T. Mudge Thoughts on Means improving Watches 10 It must also admit of a Vibration more than 18 Degrees greater than its mean Vibration before it hits the Banking. a1798 T. Mudge Let. in T. Mudge, Jr. Descr. Time-keeper (1799) 107 You go, I suppose, upon a presumption that if it was removed, and no banking pin at all, that it would move considerably further. 1804 Trans. Soc. Arts 22 315 These are the principal modes of banking now in use. 1816 J. Smith Mech. I. 406 The banking of a timekeeper is of such real importance that the most accurate instrument, without this necessary appendage, is liable to such derangement, that from the most trivial causes it is in one moment rendered useless. 1884 F. J. Britten Watch & Clockmakers' Handbk. (new ed.) 29 Banking Screw,..an adjustable screw in the chronometer escapement. 1912 Machinery May 450/2 This brings the fork and escape wheel into the positions shown at B, which happens as the fork c is returning to the banking. 1965 C. Clutton & G. Daniels Watches 42 He employed Massey's escapement; a jewelled impulse pallet; resilient banking pins; Massey's safety action [etc.]. 2008 U.S. Patent 7,458,717 B2 5 The presence of the banking..on the detent..prevents the spring..from losing its shape. < as lemmas |
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