单词 | crowning pulley |
释义 | > as lemmascrowning pulley crowning pulley n. Engineering (now rare) = crowned pulley n. at crowned adj. Compounds 1. ΚΠ 1860 U.S. Patent 26,810 1/2 By this means an ordinary laborer is enabled to accurately and smoothly face a crowning pulley in less than one-tenth part of the time and with a more perfect finish than can be accomplished by an expert finisher with the customary appliances. 1887 Mech. News 1 Sept. 180/3 The splitting of a belt which is working on a crowning pulley will result in one-half of the belt climbing upon the other. 1903 Amer. Machinist 7 May 654/2 The belt runs toward the highest side for the very same reason that a belt will stay on a crowning pulley. < as lemmas |
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