Importance

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Abstract

A chain including identically-configured plate elements having at least one through opening that overlaps with through openings of preceding and following plate elements. The plate elements are interconnected with identically-configured rocker members that extend into the plate openings. The rocker members are in the form of pins having an asymmetric cross-sectional shape that includes rolling surfaces and contact point surfaces that engage with the plate opening surfaces. Outer end faces of the rocker members are crowned to provide contact points that are asymmetrically positioned relative to a pin longitudinal central axis. By reversing the rocker member orientation within the plate element through openings, randomization of chain contacts with chain-driven components is achieved, with improved acoustics. And by utilizing identical plate elements and identical rocker members parts manufacture is simplified, as are part inventory requirements.

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First Claim