US PATENT SUBCLASS 152 / 518
.~.~.~ Utilizing additional inflatable supports which become load bearing in emergency

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

151  DF  TIRES, RESILIENT {14}
450  DF  .~ Pneumatic tire or inner tube {23}
516  DF  .~.~ With means enabling restricted operation in damaged or deflated condition {5}
518.~.~.~ Utilizing additional inflatable supports which become load bearing in emergency {1}
519  DF  .~.~.~.~> Inflated or expanded in emergency only

DEFINITION

Classification: 152/518

Utilizing additional inflatable supports which become load bearing in emergency:

(under subclass 516) Subject matter wherein the additional means which permits the assembly to continue operations is a pneumatic member located in the chamber of the pneumatic tire which supports the pneumatic tire when the tire is damaged or loses inflation pressure.

(1) Note. The supports in this subclass are reinflated and merely support the tire load on the roadway when the tire is

damaged and loses air pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

331.1+, for multiple chamber pneumatic tires and 158 for internal buffers.