The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

[1218]. Self-sustaining gear. The revolution of the pinion tends to lift the barrel and its brake wheel out of the brake; lowering is performed by relieving the brake wheel by a lever which raises it from the brake. Cherry’s patent.

[1219]. Belt hoist. Worked by a loose vertical belt, which is tightened by the lever and pulley when required to hoist, and in lowering a load the belt friction acts as a brake.

[1220]. Travelling hand hoist, with endless rope.

[1221]. Travelling cathead hoist. The cathead can be run back with its load; the winch is sometimes fixed to the travelling beam and moves in and out with it.

[1222]. Winding engine, usual type for direct acting.

[1223]. Geared winding engine.

[1224]. Steam winch, horizontal arrangement.

[1225]. Steam winch, diagonal arrangement.

[1226]. Steam winch, horizontal worm-gear plan.