US PATENT SUBCLASS 152 / 104
.~.~.~.~.~ With independent annulus guide and 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}
103  DF  .~.~.~.~ Encircled rod supported {1}
104.~.~.~.~.~ With independent annulus guide and drive

DEFINITION

Classification: 152/104

In a spring wheel having a spring encircling rigid annulus supported by radial rod encircling coil springs, the rigid annulus is held against lateral movement relative to the wheel center by means other than the rods and springs and is held against rotation relative to the wheel center by means other than the rods and springs, or in addition to such rods and springs.