US PATENT SUBCLASS 74 / 444
.~.~.~ Differential disks

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}
444.~.~.~ Differential disks

DEFINITION

Classification: 74/444

(under subclass 439) Gears mounted upon a single shaft and connected thereto by means which permits of a differential action between them.

SEE OR SEARCH CLASS

475, Planetary Gear Transmission Systems or Components,

220+, for planetary gear differentials.