| 474 / | HD | ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS |
| 101 | DF | MEANS FOR ADJUSTING BELT TENSION OR FOR SHIFTING BELT, PULLEY OR GUIDE ROLL {11} |
| 102 | DF | .~ With sensor for controlling operation of shifter to correct belt training deviation {3} |
| 105 | ![]() | .~.~ Sensor actuates pawl-and-rachet mechanism to operate shifter |