Description: 474 endless belt power transmission systems or components / 474 endless belt power transmission systems or components/(202) positive drive belt (206) belt formed of rigid links (212) link including integral surfaces forming inwardly opening groove (e.g., silent chain, etc.) (213) plural links having laterally aligned groove-forming surfaces (214) connector or bearing member extending through or positioned in laterally aligned openings in adjacent links is noncircular in transverse cross section (215) multiple connector or bearing members extend through or positioned in common opening (216) concave surface of one connector or bearing member abuts convex surface of another connector or bearing members
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