| 摘要 |
PURPOSE: An engagement chain is provided, which can reduce work load applied to the plate molding of the external plate and internal plate. CONSTITUTION: An engagement chain is constituted as follows. A pair of bushes are pressed in a pair of internal plates of the hook shape arranged to the right and left. Plural inside link units are connected to each other by a connection pin(160) inserted into a pair of pin holes of the external plate of the hook shape. The internal plate(110) and external plate(150) are in gear with each other and are coupled with each other. The internal plate and external plate are separated from each other.
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