Last Updated
：2025/11/20
ratchet wheel
Noun
Japanese Meaning
歯が刻まれた車輪で、爪や止め機構によって固定されるか、あるいはその力で回転させられるもの。 / 時計などで、メインスプリングの軸を覆い、固定するための歯車。
（ plural ）
Quizzes for review
A toothed wheel either held in position or turned by an engaging detent or pawl. / The retaining wheel over the mainspring arbor of a timepiece.
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ratchet wheel
The watchmaker carefully examined the ratchet wheel to ensure the pawl engaged without slipping.
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The watchmaker carefully examined the ratchet wheel to ensure the pawl engaged without slipping.
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