| 83 / | HD | CUTTING |
| 469 | DF | ROTATABLE DISC TOOL PAIR OR TOOL AND CARRIER {11} |
| 483 | DF | .~ Carrier for rotatable tool movable during cutting {3} |
| 485 | DF | .~.~ Tool carrier reciprocable rectilinearly {3} |
| 486 | | .~.~.~ With means to adjust path of reciprocation {1} |
| 486.1 | DF | .~.~.~.~> Angular relative to previous path |