US PATENT SUBCLASS 152 / 13
.~.~ With coil spring

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

1  DF  SPRING WHEELS {3}
5  DF  .~ Deformable ground engaging part {5}
13.~.~ With coil spring {1}
14  DF  .~.~.~> Radial {2}

DEFINITION

Classification: 152/13

The resiliency of the spring wheel with deformable ground engaging part is provided by coil springs.

SEE OR SEARCH THIS CLASS, SUBCLASS:

261+, 284+ for similar structure in a spring tire.