Patent ID: 9534662
Date: 2017-01-03
CPC Classifications: F16G,F16H

Claim:
1. A chain comprising: a plurality of inner links having a plurality of inner plates in a width direction of the chain, and a plurality of outer links having a plurality of outer plates in the width direction of the chain, the plurality of inner links and the plurality of outer links being alternately and pivotably coupled together in a longitudinal direction of the chain, wherein the plurality of inner plates include a plurality of asymmetrical inner plates having different edge shapes on upper and lower sides in a height direction of the chain, the plurality of asymmetrical inner plates include plates that have two different edge shapes on upper and lower sides that are selected from three or more different edge shapes, the inner links include asymmetrical inner plates having different edge shapes in a width direction of the chain, and the different edge shapes are arranged randomly at least in one of a width direction of the chain, a longitudinal direction of the chain, and a vertical direction.