| 摘要 |
The invention relates to a self-lubricating chain which includes a connecting pin which is used to connect inner and outer link portions. The connecting pin includes a lubricating hole and a hollow portion where a lubricating oil supply may be disposed and held in place by a lid member, which provides a press fit and tight seal so as to provide a reliable lubricating oil supply and a durable chain which has improved durability.
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