| 摘要 |
A power transmission chain includes a plurality of links, a plurality of pins, and a plurality of interpieces. By pressing upper and lower edges of the pin into upper and lower edges of a through hole, the pin is connected to the link. The end of the pin which is located at a front end side when the pin is pressed is formed in a shape into which the upper and lower edges of the pin are pressed at the same time.
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