crown wheel
noun
: a crown gear of light construction: such as
a
: the crown-shaped horizontal escape wheel of a verge escapement timepiece
b
: a contrate wheel in the winding mechanism of a watch that drives the ratchet wheel and is itself driven by the winding-stem pinion
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“Crown wheel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crown%20wheel. Accessed 26 Nov. 2024.
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