474 / | HD | ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS |
84 | PLURAL BELTS OR PLURAL OUTPUT LOADS {3} | |
85 | DF | .~> Plural belts having interengaged drive surfaces |
86 | DF | .~> Plural output loads {1} |
88 | DF | .~> Plural belts in series via countershaft {1} |