| 475 / | HD | PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS |
| 269 | DF | WITH MEANS TO VARY DRIVE RATIO OR DISCONNECT DRIVE (E.G., BRAKE OR CLUTCH) {16} |
| 271 | DF | .~ Plural elements selectively braked {10} |
| 290 | ![]() | .~.~ Plural orbits braked {1} |
| 291 | DF | .~.~.~> Including one-way clutch or brake |