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roller chain

a power chain consisting of parallel pairs of flat links joined by pins covered with rollers, and engaging with the teeth of sprockets.
Origin of roller chain
1895-1900 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for roller chain
  • The weight of the gate is balanced by a counterweight suspended from a roller chain attached to each top corner of the gate.
British Dictionary definitions for roller chain

roller chain

(engineering) a chain for transmitting power in which each link consists of two free-moving rollers held in position by pins connected to sideplates
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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