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} |
573 | DF | .~.~.~ Cam and follower {3} |
573.2 | DF | .~.~.~.~ Longitudinally spaced cams {3} |
573.3 | DF | .~.~.~.~.~ Opposed {2} |
573.4 | .~.~.~.~.~.~ Separable (i.e., opposed stubs) |