| 297 / | HD | CHAIRS AND SEATS |
| 195.1 | DF | STRADDLE SEAT (E.G., SADDLE TYPE, ETC.) {16} |
| 208 | DF | .~ Coil spring-mounted {2} |
| 209 | | .~.~ Vertically oriented {3} |
| 210 | DF | .~.~.~> Serially arranged tension and compression springs |
| 211 | DF | .~.~.~> Parallel stems each supported by encircling spring |
| 212 | DF | .~.~.~> Rear coil directly secured to front connected member |