| 摘要 |
In a chain comprising interconnected link plates at least some of which come into sliding contact with one or more chain guides, at least some of the link plate edges that come into sliding contact with the guides have a convex curvature with different curvatures on the front and rear sides of an apex at an intermediate location. The radius of curvature on the front side of the apex is greater than the radius of curvature on the rear side of the apex. The front and rear curvatures can be circular or cycloidal. Alternatively, one of the front and rear portions can be circular while the other is cycloidal.
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