step pulley

step pulley

[′step ‚pu̇l·ē]
(mechanical engineering)
A series of pulleys of various diameters combined in a single concentric unit and used to vary the velocity ratio of shafts. Also known as cone pulley.
References in periodicals archive ?
Once you use your equipment with flexible, stepless variable speed, you'll never mess around with switching V-belts on step pulleys again.