head sheave

head sheave

[′hed ‚shēv]
(mining engineering)
Pulley in the headgear of a winding shaft over which the hoisting rope runs.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in ?
References in periodicals archive ?
The fixed jib adaptations include a runner, head sheaves and a new hook block designed to prevent the device from becoming twisted.