| 474 / | HD | ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS |
|
| 166 | DF | FRICTION DRIVE PULLEY OR GUIDE ROLL {11} |
| 174 | DF | .~ Pulley or guide roll including circumferential belt-receiving groove {4} |
| 179 | DF | .~.~ Including connected discrete axially spaced groove-forming flanges {2} |
| 181 | DF | .~.~.~ And abutting radial surfaces integral with the flanges {1} |
| 182 |  | .~.~.~.~ Including connector extending through opening in abutting surfaces {1} |
| 183 | DF | .~.~.~.~.~> Connector comprises tang integral with one of the surfaces |