cone pulley

noun

(on a lathe) a pulley consisting of a conelike arrangement of graduated, concentric pulleys for driving the headstock at different speeds.

The mandrel is driven by belt from a cone pulley of three faces, which gives the proper speeds for different sized bits.

The running head has one cone pulley connected by suitable gearing to three face plates.

The cone-pulley can be connected directly with the spindle or be disengaged from it by means of bolt m.

This grinder is held in the lathe toolpost and is driven by a wheel A that is held in contact with the cone-pulley.

The main spindle is driven by a cone pulley P, either directly, or indirectly through the back-gears shown.

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