US PATENT SUBCLASS 74 / 447
.~.~.~.~ Detachable

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

640  DF  GEARING {31}
434  DF  .~ Rotary bodies {5}
439  DF  .~.~ Sectional {9}
446  DF  .~.~.~ Separate rim {1}
447.~.~.~.~ Detachable

DEFINITION

Classification: 74/447

(under subclass 446) Bodies, having the rim secured to the

web by means permitting the detachment of the rim.