US PATENT SUBCLASS 152 / 417
.~.~.~ Rotary joints

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

151  DF  TIRES, RESILIENT {14}
415  DF  .~ Inflating devices {5}
416  DF  .~.~ Vehicle body carried supply {1}
417.~.~.~ Rotary joints

DEFINITION

Classification: 152/417

Joints for transferring air under pressure from the vehicle body to a rotating wheel.