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).
Dual clutch transmissions, DCTs, are constructed on layshaft gear architecture with either a single or double countershaft layout.
As it can be seen from the figure, the input torque is transmitted to the countershaft with a constant gear ratio.
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.