01 A shaft that oscillates on its journals, instead of revolving, -- usually carrying levers by means of which it receives and communicates re…
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A shaft that oscillates on its journals, instead of revolving, -- usually carrying levers by means of which it receives and communicates reciprocating motion, as in the valve gear of some steam engines; -- called also rocker, rocking shaft, and way shaft.(Mach.) Also: rocker, rocking shaft, way shaft