headblock

headblock

[′hed‚bläk]
(mining engineering)
A stop at the head of a slope or shaft to keep cars from going down the shaft or slope.
A cap piece.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The prototype is designed to transport a single 20-foot container, and is equipped with an upper spreader that replaces the headblock on the gantry crane, and a lower spreader that grips the cargo.
The headblocks and water cooled platens are 35% thicker than those found on typical presses.