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Showing results for countershaft. Search instead for counter surfs.

countershaft

American  
[koun-ter-shaft, -shahft] / ˈkaʊn tərˌʃæft, -ˌʃɑft /

noun

Machinery.
  1. jackshaft.


countershaft British  
/ ˈkaʊntəˌʃɑːft /

noun

  1. an intermediate shaft that is driven by, but rotates in the opposite direction to, a main shaft, esp in a gear train

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of countershaft

First recorded in 1860–65; counter- + shaft

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The chain reaches its tightest point when there suspension is compressed so that there's a straight line between the rear axle, swingarm pivot, and countershaft sprocket.

From Time Magazine Archive

When changing rear sprockets, it's always a good idea to check the condition of your chain as well as the countershaft sprocket.

From Time Magazine Archive

This shaft drives a countershaft that rotates, and, in turn, transmits rotation to the propshaft.

From Time Magazine Archive

The countershaft remains in the exact same position, however, which means the engine has rotated down in front�ultimately lowering the bike�s center of gravity.

From Time Magazine Archive

On a sleeve turning freely around the countershaft is mounted the reverse bevel gear and clutch.

From The 1893 Duryea Automobile In the Museum of History and Technology by Berkebile, Donald H.

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