Link-motion meaning

A valve gear that reverses the motion in steam engines: it operates by a slotted bar linked with the eccentric rods.
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(engineering, dated) A valve gear consisting of two eccentrics with their rods, giving motion to a slide valve by an adjustable connecting bar (the link) in such a way that the motion of the engine can be reversed, or the cut-off varied.
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Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
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