| 297 / | HD | CHAIRS AND SEATS | 
| 
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| 353 | DF | MOVABLE BACK {2} | 
| 354.1 | DF | .~ Tiltable {3} | 
| 354.12 |  | .~.~ Plural distinct occupant-supporting positions {11} | 
| 354.13 | DF | .~.~.~> Movable to a rear-horizontal position | 
| 356 | DF | .~.~.~> Full stroke adjusting mechanism | 
| 357 | DF | .~.~.~> Vertical displacement of back disengages holder | 
| 358 | DF | .~.~.~> Common actuator adjusts height and inclination | 
| 359 | DF | .~.~.~> Back-pivoted armrest carries latch or holder {1} | 
| 361.1 | DF | .~.~.~> Mechanical operator tilts back fore and aft {3} | 
| 363 | DF | .~.~.~> Axially slidable bolt or pawl {1} | 
| 366 | DF | .~.~.~> Rack and pawl {3} | 
| 373 | DF | .~.~.~> Serrated clamp hinge | 
| 374 | DF | .~.~.~> Friction detent {2} | 
| 377 | DF | .~.~.~> Held by prop behind back |