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} |
280 | .~.~ Brake for sun, carrier and orbit {1} | |
281 | DF | .~.~.~> Including one-way clutch or brake |