US PATENT SUBCLASS 74 / 443
.~.~.~ Sound deadening

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}
443.~.~.~ Sound deadening

DEFINITION

Classification: 74/443

(under subclass 439) Gears including means for deadening sound in operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

445, for multiple disk rotary bodies.

SEE OR SEARCH CLASS

464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts,

51+, for a flexible connection between a shaft and a member driven by the shaft.