| 242 / | HD | WINDING, TENSIONING, OR GUIDING |
| 520 | DF | CONVOLUTE WINDING OF MATERIAL {17} |
| 540 | ![]() | .~ With particular drive {5} |
| 541 | DF | .~.~> Driver engages coil periphery {7} |
| 543 | DF | .~.~> Intermittent |
| 544 | DF | .~.~> Variable speed |
| 545 | DF | .~.~> With clutch or releasable coupling {1} |
| 546 | DF | .~.~> With particular drive input {1} |