| 242 / | HD | WINDING, TENSIONING, OR GUIDING |
| 570 | DF | COIL HOLDER OR SUPPORT (E.G., SPINDLE, DISPENSER, OR SPOOL) {6} |
| 571 | DF | .~ Radially expansible or contractile {8} |
| 572 | DF | .~.~ Longitudinally shiftable operator {2} |
| 574 | ![]() | .~.~.~ Shiftable linkage {4} |
| 574.1 | DF | .~.~.~.~> Parallelogram |
| 574.2 | DF | .~.~.~.~> Mutually pivoted (e.g., lazy tong type) |
| 574.3 | DF | .~.~.~.~> Trapezoidal |
| 574.4 | DF | .~.~.~.~> Center actuated, pivoted linkage (e.g., umbrella type) |