US PATENT SUBCLASS 301 / 122
.~.~ Stop-engaging collar or sleeve

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

5.1  DF  WHEEL {21}
111  DF  .~ Wheel-attaching device {4}
122.~.~ Stop-engaging collar or sleeve

DEFINITION

Classification: 301/122

(under subclass 111) Wheel wherein a removable collar or sleeve on either the wheel or the axle is adapted, when assembled, to engage a stop on the other.