a. In quarrying, a car loaded with iron or stone and connected by means of
a steel cable with a channeling machine operating on an inclined track.
Its purpose is to counteract the force of gravity and thus enable the
channeling machine to operate with equal ease uphill and downhill.
b. A small weighted truck mounted upon a short inclined track, and
carrying a sheave around which the rope of an endless haulage system
passes as it winds off the drum. Zern
Dictionary of Mining, Mineral, and Related Terms