| 摘要 |
A sealed track chain joint with a track pin and a bushing extending thereover, and a link on the pin and a link on the bushing. An elastomeric seal extends between the pin and the bushing to seal against entry of dirt and exit of lubricant between the pin and bushing. The seal is anchored at opposite ends to the pin and the bushing, and it is torsionally flexible therebetween.
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