US PATENT SUBCLASS 301 / 5.22
.~.~ Self-operating

Current as of: June, 1999
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301 /   HD   LAND VEHICLES: WHEELS AND AXLES

5.1  DF  WHEEL {21}
5.21  DF  .~ Balancing device {1}
5.22.~.~ Self-operating

DEFINITION

Classification: 301/5.22

Self-operating:

(under subclass 5.21) Wheel wherein the balancing device includes provision to allow a portion thereof to relocate to effect weight equalization without outside impetus.