267 / | HD | SPRING DEVICES |
2 | DF | VEHICLE {14} |
195 | DF | .~ Mechanical spring and nonresilient retarder (e.g., shock absorber) {2} |
217 | DF | .~.~ Fluid retarder {4} |
221 | DF | .~.~.~ Helical coil spring {4} |
223 | DF | .~.~.~.~ And rocking actuator arm or rotary fluid displacement member {1} |
224 | .~.~.~.~.~ Plural mechanical springs for biasing vehicle parts |