| 297 / | HD | CHAIRS AND SEATS |
|
| 423.1 | DF | REST FOR KNEE, LEG, OR FOOT {6} |
| 423.19 |  | .~ Connected to chair or seat for relative movement {5} |
| 423.2 | DF | .~.~> Horizontally slidable from beneath bottom to a position in front of bottom {2} |
| 423.25 | DF | .~.~> Footrest movably connected to an upright support fixed to chair or seat |
| 423.26 | DF | .~.~> Pivoted for vertical swinging (i.e., about horizontal axis) {4} |
| 423.37 | DF | .~.~> Pivoted for lateral swinging; i.e., about vertical axis |
| 423.38 | DF | .~.~> Rectilinearly in vertical direction |