
• 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.
Found on
http://thinkexist.com/dictionary/meaning/rock_shaft/
Rock' shaft` [ Confer
Rock ,
intransitive verb ]
(Machinery) 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 s...Found on
http://www.encyclo.co.uk/webster/R/88
No exact match found.