rockshaft

rockshaft
I. \\ˈ ̷ ̷ˌ ̷ ̷\ noun
Etymology: rock (I) + shaft
: a shaft that oscillates on its journals instead of revolving and that usually carries levers or projecting pieces (as arms, wipers, or tumblers) to receive and communicate reciprocating motion
II. noun
Etymology: rock (IV) + shaft
: a shaft through which rock filling is introduced into a mine

* * *

/rok"shaft', -shahft'/, n. Mach.
an oscillating shaft.
[1870-75; ROCK2 + SHAFT]

* * *

rockˈshaft noun
In engines, a shaft that oscillates instead of revolving
• • •
Main Entry: ↑rock

Useful english dictionary. 2012.

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Look at other dictionaries:

  • rockshaft — [räk′shaft΄, räk′shäft΄] n. a machine shaft designed to rock back and forth on its journals rather than to revolve …   English World dictionary

  • rockshaft — noun Date: circa 1864 a shaft that oscillates on its journals instead of revolving …   New Collegiate Dictionary

  • rockshaft — /rok shaft , shahft /, n. Mach. an oscillating shaft. [1870 75; ROCK2 + SHAFT] * * * …   Universalium

  • rockshaft — /ˈrɒkʃaft/ (say rokshahft) noun a shaft that rocks or oscillates on its journals instead of revolving, as the shaft of a bell or a pendulum, or a shaft operating the valves of a steam engine. {rock1 + shaft} …  

  • rockercam — rocker cam n. A cam on a rockshaft. * * * …   Universalium

  • rocker arm — n. an armlike piece attached to a rockshaft, as in automotive engines …   English World dictionary

  • rocker cam — noun : a cam (as on a rockshaft) with a rocking or reciprocating movement …   Useful english dictionary

  • rocker shaft — noun : rockshaft …   Useful english dictionary

  • rocking shaft — noun : rockshaft …   Useful english dictionary

  • weighbar — ˈ ̷ ̷ˌ ̷ ̷ noun or weighbar shaft Etymology: weigh (I) + bar Britain : rockshaft; especially : one in a radial gear …   Useful english dictionary

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