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Did You Know....
Chain is one of the oldest power transmission and material transport devices known to man. There is evidence of a chain-driven water lift existing as early as 225 B.C. During the sixteenth century, Leonardo da Vinci sketched a number of chain designs, many being similar to modern chain. One of da Vinci's chain sketches bore a strong resemblance to modern silent chain.By the early 1800's, development of cog chain began to gather momentum. The early designs had frequent breakage problems and were difficult to repair. These problems were addressed in 1873 with the introduction of cast detachable chain. The development of cast detachable chain greatly assisted the growing mechanization of farm machinery in the late 1800's. The cast pintle chain, developed in the late 1800's, was the forerunner of chain as we know it today.The beginning of the twentieth century saw the expansion of chain into such applications as bicycle and automobile drives. Chain was used on automobiles to transmit power from the transmission to the driving axle, as well as application on camshaft drives. A 1/4 turn chain drive was used for the propeller drives on the Wright Brother's first successful airplane. The roller chain industry was the first industry in the world to publish user standards when they did so in 1913.