US PATENT SUBCLASS 475 / 271
.~ Plural elements selectively braked

Current as of: June, 1999
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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.~ Plural elements selectively braked {10}
272  DF  .~.~> With preselection
273  DF  .~.~> Axis of planet pinion at angle to axis of mating gear (e.g., bevel gears) {1}
275  DF  .~.~> Transmission includes three relatively rotatable sun gears {3}
280  DF  .~.~> Brake for sun, carrier and orbit {1}
282  DF  .~.~> Brake for sun and orbit {1}
284  DF  .~.~> Brake for sun and carrier {1}
286  DF  .~.~> Brake for orbit and carrier {1}
288  DF  .~.~> Plural suns braked {1}
290  DF  .~.~> Plural orbits braked {1}
292  DF  .~.~> Including one-way clutch or brake

DEFINITION

Classification: 475/271

Plural elements selectively braked:

(under subclass 269) Subject matter wherein an assemblage which comprises a planetary gear transmission or a plurality of planetary gear transmissions has at least two elements thereof which are provided with a brake*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

173, for a transmission including an eccentric type planetary gear set having plural planetary elements braked.