| 单词 | ratchet pinion |
| 释义 | > as lemmasratchet pinion ratchet pinion n. ΚΠ 1779 Philos. Trans. 1778 (Royal Soc.) 68 979 We must..except the rochet pinions. 1849 Sci. Amer. 29 Sept. 9/3 On this circular frame is a small ratchet pinion, G, fixed on a short axis. 1920 T. W. Chalmers Paper Making & its Machinery xi. 103 Any arrangement for vibrating the strainer drum which employs a ratchet pinion and hammer..is apt to prove unpleasantly noisy when in use. 1982 Kirk-Othmer Encycl. Chem. Technol. XIX. 31 Several design configurations can be combined into one component [using powder metallurgy], such as a combination ratchet pinion or a gear with a cam surface that might otherwise be an assembly of components. < as lemmas |
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