a gear assembly in which motion is transmitted by means of a chain.
Origin of chain gear
First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for chain gear
Historical Examples of chain gear
We tried a belt first, said Lance; but the blamed thing slipped so that old Chet evolved the chain-gear idea.The Girls of Central High on the Stage
Gertrude W. Morrison