US PATENT SUBCLASS 475 / 192
.~.~.~.~ Pinion engages facing concave surfaces (e.g., mounted in torus)

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  DF  .~ Variable speed ratio (without slippage) {4}
190  DF  .~.~ Planet pinion rotatable about axis at angle to axis of input or output gear {2}
191  DF  .~.~.~ Planet pinion is member having axis fixed or adjustable to position perpendicular to axis of input or output gear {1}
192.~.~.~.~ Pinion engages facing concave surfaces (e.g., mounted in torus)

DEFINITION

Classification: 475/192

Pinion engages facing concave surfaces (e.g., mounted in torus.):

(under subclass 191) Subject matter wherein a pair of gears in driving relationship with said planet pinion* include concave surfaces facing each other to define a cavity for said planet pinion*. [figure]