US PATENT SUBCLASS 475 / 177
.~.~ Internal and external tooth sets

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

162  DF  PLANET PERIPHERY SURROUNDS AXIS OF INTERACTING GEAR (E.G., ECCENTRICALLY DRIVEN TRANSMISSON) {11}
176  DF  .~ Gear has plural circumferential tooth sets {1}
177.~.~ Internal and external tooth sets

DEFINITION

Classification: 475/177

Internal and external tooth sets:

(under subclass 176) Subject matter wherein the teeth of one of said sets of teeth project inwardly, and the teeth of the other of said sets of teeth project outwardly. [figure]