US PATENT SUBCLASS 301 / 20
.~.~.~.~.~.~ Independently movable

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

5.1  DF  WHEEL {21}
9.1  DF  .~ Detachable wheel section {10}
10.1  DF  .~.~ Demountable rim {4}
11.1  DF  .~.~.~ Rim-securing means {13}
18  DF  .~.~.~.~ Radially acting wedge {1}
19  DF  .~.~.~.~.~ Transversely extending wedge {1}
20.~.~.~.~.~.~ Independently movable {2}
21  DF  .~.~.~.~.~.~.~> Bolt wedge
22  DF  .~.~.~.~.~.~.~> Annular wedge

DEFINITION

Classification: 301/20

(under subclass 19) Wheel wherein the wedge has movement discrete of that of both the rim and the wheel web.