| 摘要 |
PURPOSE: A chain is provided to decrease sliding contact resistance t by making dynamic pressure in lubricant. CONSTITUTION: A chain comprises a link plate(120). The link plate has contact holes in front and rear sides to rotate. One edge(121) of the link plate is slide to the guide member. The link plate is formed in convex shape. The peak of the hemline is apart from same distance from the center of both contact holes(122). The hemline has different curve shapes on the front and rear sides of the peak.
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