| 464 / | HD | ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS |
| 30 | DF | OVERLOAD RELEASE COUPLING {9} |
| 42 | DF | .~ Torque transmitted via frictional engagement of conical or frustoconical surfaces {1} |
| 43 | DF | .~.~ With separate resilient member for biasing surfaces into engagement {1} |
| 44 | | .~.~.~ Coil spring |