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countershaft

[ koun-ter-shaft, -shahft ]

noun

, Machinery.


countershaft

/ 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


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Other Words From

  • counter·shafting noun

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Word History and Origins

Origin of countershaft1

First recorded in 1860–65; counter- + shaft

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Example Sentences

A small lathe, with an 8-inch swing, can be obtained at a low cost, provided with a countershaft complete.

The countershaft rests in self-adjusting boxes, and has a tight and a loose pulley eight inches in diameter.

The feed and exhaust valves, M, are actuated by cams keyed to a countershaft driven by bevel wheels from the main shaft.

Let the diameter of the second driven be 12; then its driver on the countershaft must be 24.

The sides of this machine a, a, Fig. 3099, are cast with an extension for countershaft.

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