78

THE COLLIERY GUARDIAN

July 10, 1914

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wheels are provided with a brake, so that the car can
be stopped at any point. All movements are carried
out from the driver’s cabin. The cars are made to any
desired size; the one in fig. 1 is made to hold a 4-ton
charge.

A car to hold 8-5 tons made by the same firm is shown
in fig. 2. It has three coal hoppers riveted together
between two large side plates. Distinct from the
previous car, the cabin is on one end of the hoppers,
while the motor is in a small house on the opposite end.
The driver’s cabin contains the controller, the brake,
wheel, and three levers for operating the slides under-
neath the three hoppers. The motor, by means of a
Renold silent chain, drives a countershaft placed between
two hoppers, and is resting in bearings held by the
bottom frame of the car. The countershaft drives the
travelling axle of the car by means of two gear wheels.
The chain is totally enclosed in sheet iron casing, and
runs in an oil bath.

While these two cars are built for beehive ovens, the
builders of by-product ovens succeeded in introducing
mechanical charging cars by combining three or four