Chain link, with bolts between the side bars, has an inner bush around the bolt of a self-lubricating polymer within an outer bush bonded to the inner side bars and supporting the outer side bars at its ends

摘要

The chain link has two-part bushes around the bolts (2) which join the links together. An inner sliding bearing bush section (11) is of a self-lubricating polymer. The outer bush section (1) is bonded to the inner side bars (4), and the outer side bars (5) rest on the end sides of the outer bush.