countershaft

(redirected from countershafts)
Also found in: Dictionary.

countershaft

[′kau̇nt·ər‚shaft]
(mechanical engineering)
A secondary shaft that is driven by a main shaft and from which power is supplied to a machine part.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The rotating drums were affixed to the outboard ends of the bull-pinion shafts (left and right countershafts), which passed completely through the final drive housings.
Two wet multi-plate clutches route engine power to the wheels through two input and two countershafts. Computerized servos shift the helical gears and operate the wet clutches.
Each countershaft is equally immersed in lubricant, thanks to Lightning's horizontal countershaft alignment.
Yasunaga Corp., the Japanese supplier to the automotive industry (blocks, manifolds, rods, countershafts) and producer of specialty machine tools (metalcutting cells, lapping machines, leak testers) has teamed up with Unova Inc.'s Lamb Technicon Machining Systems in an international alliance aimed at Japanese transplants, i.e., Japanese firms operating outside of Japan.