countershaft


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coun·ter·shaft

 (koun′tər-shăft′)
n.
An intermediate shaft between the powered and driven shafts in a belt drive.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

countershaft

(ˈkaʊntəˌʃɑːft)
n
(Mechanical Engineering) 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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The spiral gear is mounted on a sturdy countershaft of the cone crusher, which rides in bronze bushings.
"We had to push the countershaft back in and tighten up the differential, then re-secure the key in the left-hand pinion."
Both the 6x6 and 6x4 versions are equipped with planetary hub reduction axles with a through-drive countershaft designed to withstand rough conditions and treatment year after year.
A patented torque converter and twin countershaft gearbox optimize acceleration while improving fuel economy through engine down-speeding and uninterrupted power shifting in all ranges.
The 980L uses a 4F/4R countershaft power-shift transmission.
Only gear pairs are mounted on the counter-shaft as shown in Figure 1(a) while both planetary gear sets and gear pairs are mounted on the countershaft as presented in Figure 1(b).
They teamed it with a triple countershaft transmission (an industry first).
"We saw it when we had Josh Auty on a race win and Olly Allen's chain jumped off when the countershaft went haywire and a potential 5-1 to us went to them instead.