ASME B29.8 pdf download LEAF CHAINS, CLEVISES, AND SHEAVES 1 LEAF CHAINS 1.1 Description A leaf chain consists of a series of link plates alternately assembled with pins in such a way that the joint is free to articulate between adjoining pitches. Typical assemblies are depicted in Figs. 1 and 2. 1.2 Numbering and Marking System The chain described in...