Last Updated
：2025/11/25
crown wheel
Noun
Japanese Meaning
時計製造において、巻きピニオンや樽軸上のラチェットホイールと噛み合い、時計を巻き上げるために使用される、対向する歯を備えた円形の部品。
（ plural ）
Quizzes for review
In watchmaking, an object of circular shape with contrate teeth, which meshes with the winding pinion and with the ratchet-wheel on the barrel-arbor used to wind-up the watch, respectively, to set the time.
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crown wheel
He replaced the worn crown wheel so the winding pinion and the ratchet-wheel on the barrel-arbor could mesh properly when winding the watch and setting the time.
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He replaced the worn crown wheel so the winding pinion and the ratchet-wheel on the barrel-arbor could mesh properly when winding the watch and setting the time.
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