US PATENT SUBCLASS 475 / 220
DIFFERENTIAL PLANETARY GEARING

Current as of: June, 1999
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475 /   HD   PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS

220DIFFERENTIAL PLANETARY GEARING {8}
221  DF  .~> Differential or nondifferential planetary combined with differential (e.g., two differentials)
222  DF  .~> With universal joint in drive train
223  DF  .~> Including means to selectively apply rotational power to only one output {1}
225  DF  .~> With additional gearset between differential output and load
226  DF  .~> Planet pinion is worm gear {1}
228  DF  .~> Worm drive on input shaft {1}
230  DF  .~> Bevel gear differential {4}
248  DF  .~> Spur gear differential {4}

DEFINITION

Classification: 475/220

DIFFERENTIAL PLANETARY GEARING:

(under the class definition) Subject matter which includes a differential transmission* in a drive train*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6, 15, 18+, 71, 84+, 150, 160, 174, 184, and 198+ for other differential planetary gearing or combinations therewith. [figure]