| 464 / | HD | ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS |
| 51 | DF | TORQUE TRANSMITTED VIA FLEXIBLE ELEMENT {16} |
| 81 | DF | .~ Plural circumferentially spaced elements {4} |
| 82 | DF | .~.~ Extending between radially overlapping surfaces on driving and driven members {1} |
| 83 | | .~.~.~ Nonmetallic |