297 / | HD | CHAIRS AND SEATS |
423.1 | DF | REST FOR KNEE, LEG, OR FOOT {6} |
423.19 | DF | .~ Connected to chair or seat for relative movement {5} |
423.26 | DF | .~.~ Pivoted for vertical swinging (i.e., about horizontal axis) {4} |
423.28 | .~.~.~ Pivoted to an unusable position beneath bottom |