24 / | HD | BUCKLES, BUTTONS, CLASPS, ETC. |
437 | SLIT CLOSING MEANS INCLUDING GUIDES ON OPPOSITE EDGES OF SLIT AND SLIDABLE BRIDGING COMPONENT {4} | |
438 | DF | .~> With hand-actuated lever for shifting bridging component |
439 | DF | .~> Including structure linking and allowing variations in separation between opposite-guide-contacting portions of component |
440 | DF | .~> Having bridging components attached in series along carrying element |
441 | DF | .~> Having separate, independently movable, bridging components |