| 451 / | HD | ABRADING |
|
| 463 | DF | CARRIER FOR RELATIVELY MOVABLE SIMULTANEOUSLY USABLE TOOLS {2} |
| 464 | DF | .~ For radially movable tools {7} |
| 470 | DF | .~.~ Including conoid or wedge tool moving member {2} |
| 471 | DF | .~.~.~ With threaded operator {2} |
| 472 |  | .~.~.~.~ To move conoid member {4} |
| 473 | DF | .~.~.~.~.~> To actuate pivotally mounted tools |
| 474 | DF | .~.~.~.~.~> For movement of conoid members relative to each other |
| 475 | DF | .~.~.~.~.~> By conoid member with screw threads |
| 476 | DF | .~.~.~.~.~> Including plural conoid members |