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 | DF | .~.~ Plural orbits braked {1} |
291 | .~.~.~ Including one-way clutch or brake |