| 464 / | HD | ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS |
| 51 | DF | TORQUE TRANSMITTED VIA FLEXIBLE ELEMENT {16} |
| 87 | | .~ Nonmetallic element {3} |
| 88 | DF | .~.~> Element is hollow sleeve surrounding rotational axis and connected at opposite ends to axially spaced torque transmitting surfaces on driving and driven members |
| 89 | DF | .~.~> Extending between radially overlapping surfaces on driving and driven members {2} |
| 92 | DF | .~.~> Annular element between and coincident with drive and driven members {2} |