| 180 / | HD | MOTOR VEHICLES |
| 21 | DF | SPECIAL WHEEL BASE {6} |
| 205 | ![]() | .~ With mechanism of occupant-powered type for developing torque for supplementing, alternating with, or replacing torque of motor {2} |
| 206 | DF | .~.~> And means for controlling motor in response to either operation of occupant powered mechanism or vehicular movement resulting therefrom |
| 207 | DF | .~.~> Including member utilized in common by occupant-powered mechanism and by motor for transmitting torque output of each to wheel |