| 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 | DF | .~.~ Turntable {5} |
| 270 | DF | .~.~.~ Disc holding or locating (e.g., spindle structure) {1} |
| 271 | ![]() | .~.~.~.~ With detail of storage medium contact structure on turntable surface |