(under subclass 6) Apparatus wherein said rigid track comprises a rigid circular rim.
(1) Note. Apparatus under this definition usually comprises a rigid circular rim and a wheel or roller within the rim, the axis of which is eccentrically positioned with relation to the axis of the rim, said wheel or roller being adapted to roll on a lower portion of the periphery of the rim.
SEE OR SEARCH CLASS
152, Resilient Tires and Wheels,
17+, for a spring wheel provided with a rigid annular band extending about the periphery of the wheel outside of the springs, the axis of the wheel and band being concentric.
180, Motor Vehicles,
10, for rigid circular tracks provided with driving means. 384, Bearings,
586+, for a wheel structure comprising a fixed inner portion, an outer rim and antifriction elements interposed between the fixed inner portion and the rim.
