US PATENT SUBCLASS 152 / 112
.~.~.~.~ With separate drive

Current as of: June, 1999
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152 /   HD   RESILIENT TIRES AND WHEELS

1  DF  SPRING WHEELS {3}
17  DF  .~ Spring encircling rigid annulus {10}
87  DF  .~.~ Coil spring {7}
97  DF  .~.~.~ Radial {6}
112.~.~.~.~ With separate drive

DEFINITION

Classification: 152/112

In a spring wheel having a spring encircling rigid annulus supported by radial coil springs, said rigid annulus is held against rotation relative to the wheel center by means other than the springs, or in addition thereto.