US PATENT SUBCLASS 152 / 8
.~.~ With pneumatic 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}
8.~.~ With pneumatic spring {1}
9  DF  .~.~.~> Annular {1}

DEFINITION

Classification: 152/8

The resiliency of the spring wheel with deformable ground engaging part is provided by a chamber or chambers filled with fluid under pressure greater than atmospheric, whether under load or not.