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View synonyms for ratchet wheel
ratchet wheel
noun
- a wheel, with teeth on the edge, into which a pawl drops or catches, as to prevent reversal of motion or convert reciprocating motion into rotatory motion.
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Word History and Origins
Origin of ratchet wheel1
First recorded in 1770–80
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Example Sentences
When the tympanum vibrates under the influence of the voice, the stylus acts as a pawl and turns a ratchet-wheel.
From Project Gutenberg
SB is the primitive radius of the club tooth wheel, but both primitive and real radius of the ratchet wheel.
From Project Gutenberg
On the pendulum he had a little ratchet wheel, R, having thirty teeth.
From Project Gutenberg
On the side of the clock case was a contact maker, which closed the circuit by the pin on the ratchet wheel, R, once every minute.
From Project Gutenberg
An' this ratchet-wheel isn't on the pawl prop'ly—not like what this book says it ought to be.
From Project Gutenberg
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