| 摘要 |
PROBLEM TO BE SOLVED: To provide a chain which suppresses a curve of a connecting pin while avoiding an increase of chain weight, and prevents the generation of a bush and the local wear of the connecting pin.SOLUTION: A chain 10 comprises a plurality of inner links 20 composed of an inner plate 30 and a bush 40, and a plurality of outer links 50 composed of an outer plate 60 and a connecting pin 70. In the chain 10, a plate height of the inner plate 30 on a virtual line L1 extending to a chain height direction while passing through a center of a bush hole 31 is set larger than a chain pitch P.SELECTED DRAWING: Figure 3 |
