ratchet stop

noun

Definition of ratchet stop

: a device for limiting the motion of machinery in one direction that consists of a ratchet wheel or bar and a pawl which acts as a positive stop or controls the motion through a friction brake

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“Ratchet stop.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ratchet%20stop. Accessed 25 Nov. 2020.

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