US PATENT SUBCLASS 74 / 517
.~.~ Flexible

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

469  DF  CONTROL LEVER AND LINKAGE SYSTEMS {8}
516  DF  .~ Variable output force {2}
517.~.~ Flexible

DEFINITION

Classification: 74/517

(under subclass 516) Systems wherein one element of the mechanical force varying unit is flexible.