US PATENT SUBCLASS 475 / 185
.~ Variable speed ratio (without slippage)

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

183  DF  PLANET PINION IS FRICTION GEAR {5}
185.~ Variable speed ratio (without slippage) {4}
186  DF  .~.~> Condition responsive ratio change
187  DF  .~.~> Releasably braked element {1}
189  DF  .~.~> Planet pinion is a ball
190  DF  .~.~> Planet pinion rotatable about axis at angle to axis of input or output gear {2}

DEFINITION

Classification: 475/185

Variable speed ratio (without slippage):

(under subclass 183) Subject matter wherein means is provided to change the speed ratio*.

(1) Note. A patent is not considered appropriate for this or indented subclasses if slippage between contacting surfaces is the only way the speed ratio is changed.