| 297 / | HD | CHAIRS AND SEATS |
| 311 | DF | MOVABLE BOTTOM {5} |
| 340 | DF | .~ Interconnected with back for relative concurrent movement {1} |
| 341 | DF | .~.~ Back tilts and bottom moves forwardly {1} |
| 342 | ![]() | .~.~.~ Rearwardly tilting of back {1} |
| 343 | DF | .~.~.~.~> Back slidably connected to back support |