Motion from the shop driving shaft is communicated by belt to the cone pulley shown at the base of the upright column.
The main spindle is driven by a cone pulley P, either directly, or indirectly through the back-gears shown.
The mandrel is driven by belt from a cone pulley of three faces, which gives the proper speeds for different sized bits.
The cone pulley and back gear is of the full proportion and power of an eighteen-inch lathe.
This pump is operated by an eccentric upon the end of the shaft of the cone pulley.
The three spindles are driven by a cone pulley having four changes of speed to suit different diameters of taps.
The running head has one cone pulley connected by suitable gearing to three face plates.