countershaft


Also found in: Encyclopedia, Wikipedia.

coun·ter·shaft

 (koun′tər-shăft′)
n.
An intermediate shaft between the powered and driven shafts in a belt drive.

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
References in periodicals archive ?
Tenders are invited for Repairing /replacement of apron feeder- 3 skirt board, supporting arrangement, pit-3 main grizzly and replacement of a/f-1 damaged countershaft and motor
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.
Technical highlights of the new crusher include the rotatable countershaft assembly for setting tooth clearance, and the eccentric bearing assembly with top bevel gear.
As it can be seen from the figure, the input torque is transmitted to the countershaft with a constant gear ratio.
Internally, bronze sleeve bearings are used for all moving components that are load bearing or perform load transmission (including countershaft bushings, thrust bearings, head and eccentric bushings and socket liners).
On each end of the countershaft were a planetary gear unit and a sprocket, each of which drove a double reduction train of roller chains to a pair of drive wheels.
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.
MMC said the casting on the front bearing mount supporting the countershaft has an uneven finish and the front bearing lacks sufficient strength to support the countershaft, which may allow the vehicle to operate only in fourth gear.
The L70D - L330D are equipped with efficient countershaft transmissions which now feature four speeds in both the forward and reverse ranges for fast and efficient work cycles.