roller chain

American  

noun

1. a power chain consisting of parallel pairs of flat links joined by pins covered with rollers, and engaging with the teeth of sprockets.

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roller chain British  

noun

1. engineering a chain for transmitting power in which each link consists of two free-moving rollers held in position by pins connected to sideplates

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Etymology

Origin of roller chain

First recorded in 1895–1900

Example Sentences

They saved the roller chain display from the hardware store.

From Washington Times

An electric motor hums quietly as a double roller chain and steel links bring hinged trays down and then back up, as on a Ferris wheel.

From New York Times

The ordinary forms of block or roller chain have not proven successful in this application, but the silent chain, which is in reality a link belt operating over toothed pulleys, has demonstrated its worth.

From Project Gutenberg

In the roller chain the outer surfaces of the rollers engage with the teeth of the chain-wheels, and during the engagement and disengagement may roll slightly on the tubular rivets.

From Project Gutenberg

Gear-case.—The modern roller chain by makers of repute is so durable that the necessity for a gear-case is not so great as when chains were of inferior quality.

From Project Gutenberg