US PATENT SUBCLASS 74 / 473.27
.~.~.~.~ Spherical restrictor

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

469  DF  CONTROL LEVER AND LINKAGE SYSTEMS {8}
471 R  DF  .~ Multiple controlled elements {3}
473.1  DF  .~.~ Transmission control {11}
473.21  DF  .~.~.~ Restriction of shift, gear selection, or gear engagement {5}
473.27.~.~.~.~ Spherical restrictor

DEFINITION

Classification: 74/473.27

Spherical restrictor:

(under subclass 473.21) Restricted shift, gear selection, or gear engagement wherein the restrictor is generally round in three dimensional space.