74 / | HD | MACHINE ELEMENT OR MECHANISM |
640 | DF | GEARING {31} |
665 R | DF | .~ Plural power paths to and/or from gearing {10} |
665 A | .~.~ Single driven plural drives {4} | |
665 B | DF | .~.~.~> Parallel |
665 C | DF | .~.~.~> Nonparallel |
665 D | DF | .~.~.~> Aligned |
665 E | DF | .~.~.~> Parallel and aligned |