| 310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
| 10 | DF | DYNAMOELECTRIC {5} |
| 40 R | DF | .~ Rotary {28} |
| 92 | DF | .~.~ Torque-transmitting clutches or brakes {6} |
| 96 | ![]() | .~.~.~ With other drive mechanism {4} |
| 97 | DF | .~.~.~.~> Output bias or resistance device |
| 98 | DF | .~.~.~.~> Drive motor |
| 99 | DF | .~.~.~.~> Gearing |
| 100 | DF | .~.~.~.~> Mechanical clutch |