jackshaft


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jackshaft

[′jak‚shaft]
(mechanical engineering)
A countershaft, especially when used as an auxiliary shaft between two other shafts.
References in periodicals archive ?
The MotoPed utilizes a patented jackshaft pedal drive system and various lightweight low-displacement engine packages in order to yield a 115 pound "Frankenbike" of sorts that gets up to 160 miles per gallon as a commuter, while letting its riders slam a back-country trail on the way home.
Engine use requires a clutch and jackshaft or a clutch and cardan (drive shaft) arrangement.
Honest Estimates and Advice Houston Overhead Door also offers a variety of door openers including belt-drive models, screw drive garage door openers, chain-drive garage door openers, and DC motor jackshaft openers.
This configuration requires sheaves, belts and jackshafts to lower the speed to 600 to 700 RPM, which is ideal for a 60-inch or 80-inch mill.