US PATENT SUBCLASS 301 / 22
.~.~.~.~.~.~.~ Annular wedge

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  DF  .~.~.~.~.~.~ Independently movable {2}
22.~.~.~.~.~.~.~ Annular wedge

DEFINITION

Classification: 301/22

(under subclass 20) Wheel wherein the wedge is in the form of a ring extending around the periphery of the wheel.