US PATENT SUBCLASS 464 / 151
.~.~.~ Intermediate element is externally grooved or ribbed sphere

Current as of: June, 1999
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464 /   HD   ROTARY SHAFTS, GUDGEONS, HOUSINGS, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS

106  DF  COUPLING ACCOMMODATES DRIVE BETWEEN MEMBERS HAVING MISALIGNED OR ANGULARLY RELATED AXES {9}
147  DF  .~ Torque transmitted via intermediate element {5}
150  DF  .~.~ Intermediate element located between overlapping surfaces on drive and driven members {2}
151.~.~.~ Intermediate element is externally grooved or ribbed sphere

DEFINITION

Classification: 464/151

Intermediate element is externally grooved or ribbed sphere:

(under subclass 150) Subject matter wherein said body is spherical and includes slots or projections on its outer surface for cooperating with complementary surfaces on the driving and driven members.