Historical
ANSI/ASME B29.8-2002
Leaf Chain, Clevises, and Sheaves
A leaf chain consist of a series of link plates alternately assembled with pins in such a way that the joint is free to articulate between adjoining pitches. The Clevises section gives recommended design dimensions of terminal clevises for use with Type B leaf chains. Limiting dimensions herein established are for the purpose of assuring acceptance of chains built in accordance with foregoing standards.
American Society of Mechanical Engineers [asme]