| 369 / | HD | DYNAMIC INFORMATION STORAGE OR RETRIEVAL |
| 176 | DF | DYNAMIC MECHANISM SUBSYSTEM {8} |
| 258 | DF | .~ Specific detail of storage medium support or motion production {6} |
| 264 | | .~.~ Turntable {5} |
| 265 | DF | .~.~.~> With auxiliary turntable |
| 266 | DF | .~.~.~> Driving mechanism {1} |
| 268 | DF | .~.~.~> Braking |
| 269 | DF | .~.~.~> Bearing structure |
| 270 | DF | .~.~.~> Disc holding or locating (e.g., spindle structure) {1} |