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} |
119 | DF | .~ Belt shifter for shifting belt laterally or for selective engagement and supported disengagement of belt with pulley {4} |
122 | DF | .~.~ For shifting belt laterally {6} |
128 | DF | .~.~.~ Shifter actuated by handle pivoted about fixed axis {1} |
129 | .~.~.~.~ And connector link between handle and shifter pivotable about spaced fixed axis |