297 / | HD | CHAIRS AND SEATS |
353 | DF | MOVABLE BACK {2} |
354.1 | DF | .~ Tiltable {3} |
354.12 | DF | .~.~ Plural distinct occupant-supporting positions {11} |
366 | DF | .~.~.~ Rack and pawl {3} |
370 | .~.~.~.~ Actuator disengages rack {1} | |
371 | DF | .~.~.~.~.~> Actuator rigid with rack |