US PATENT SUBCLASS 152 / 254
.~.~.~.~.~.~ Circumferentially extending

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

151  DF  TIRES, RESILIENT {14}
246  DF  .~ Cushion {4}
247  DF  .~.~ Metallic springs {4}
251  DF  .~.~.~ Wheel encircling band {2}
252  DF  .~.~.~.~ With supporting spring {2}
253  DF  .~.~.~.~.~ Leaf {2}
254.~.~.~.~.~.~ Circumferentially extending {2}
255  DF  .~.~.~.~.~.~.~> Center secured
256  DF  .~.~.~.~.~.~.~> End secured {1}

DEFINITION

Classification: 152/254

The leaf springs extend circumferentially of the wheel. This subclass includes springs having no positive securing means, being held in place by devices such as flanges, enclosures or encircling bands. This subclass also includes continuous endless leaf springs, however secured.

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