Adjacent Words

Frictional gearing definitions

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Webster's 1913 Dictionary

Frictional Fric"tion*al, a. Relating to friction; moved by friction; produced by friction; as, frictional electricity. Frictional gearing, wheels which transmit motion by surface friction instead of teeth. The faces are sometimes made more or less V-shaped to increase or decrease friction, as required.

Webster's 1913 Dictionary

Gearing Gear"ing, n. 1. Harness. 2. (Mach.) The parts by which motion imparted to one portion of an engine or machine is transmitted to another, considered collectively; as, the valve gearing of locomotive engine; belt gearing; esp., a train of wheels for transmitting and varying motion in machinery. Frictional gearing. See under Frictional. Gearing chain, an endless chain transmitted motion from one sprocket wheel to another. See Illust. of Chain wheel. Spur gearing, gearing in which the teeth or cogs are ranged round either the concave or the convex surface (properly the latter) of a cylindrical wheel; -- for transmitting motion between parallel shafts, etc.