Patent ID: 8979691
Filing Date: 2015-03-17
Classification: F16G

Abstract:
1. A silent chain comprising a plurality of link plates each comprising a pair of tooth parts and pin holes which are stacked in the thickness direction and the length direction and are respectively linked in a pivotable manner by linking pins; and guide plates which are mounted on the linking pins for positioning the silent chain with respect to sprockets when the silent chain is wound on the sprockets; the silent chain having a configuration in which guide rows including guide plates and comprising a plurality of link plates in the chain width direction, and non-guide rows not including guide plates and comprising a plurality of link plates in the chain width direction are alternately arranged in the chain length direction; and the guide plates being arranged in the guide rows at positions at both ends in the chain width direction and at a central position in the chain width direction, and the height of the back part of each guide plate is greater than the height of the back parts of the link plates within the guide rows and non-guide rows; the thickness of the guide plates is 60-70% of the thickness of the link plates; and wherein the pitch balance of the link plates is improved.