Improvements in or relating to work rotating gears of the endless loop or bridle chain type for use in forging metals

摘要

163,788. Pearson, J., and Parker, L. E. Feb. 24, 1920. Forging and hammering.-A chain sling, for rotating work below a steam hammer, hydraulic press, &c., is driven through a friction device adapted to vary the power according to the weight on the chain. The chain wheel or drum p is formed with an internal ridge or ridges, Fig. 2, or external ridges, Fig. 5, and is supported by a correspondingly grooved driven shaft n.