| 摘要 |
A power transmission chain includes a plurality of links, a plurality of pins, and a plurality of interpieces. Each of the plurality of links is formed of a link with a column of which stretch is suppressed by having front and back insertion parts made to be respectively independent through holes, and a link without a column which is relatively stretched easily by connecting front and back insertion parts into one through hole. The links with columns and the links without columns are mixed based on a certain mixture pattern.
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