Steel sprocket chain, e.g. for bucket chains and crawler tracks, has cross-bars mounted on link bolts, rear bar being cylindrical, while front bar is wider at center than its edges

摘要

The steel sprocket chain has cross-bars mounted on the link bolts (7). The rear bar (5) has a cylindrical shape, so that it contacts the drive wheel over its whole surface, while the front bar (4) is wider at the center than its edges, so that it contacts the wheel at only one point.