US PATENT SUBCLASS 152 / 39
.~.~.~.~ End secured leaf

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

1  DF  SPRING WHEELS {3}
17  DF  .~ Spring encircling rigid annulus {10}
29  DF  .~.~ With plural spring types {6}
37  DF  .~.~.~ Leaf and coil {2}
39.~.~.~.~ End secured leaf

DEFINITION

Classification: 152/39

In a spring wheel having a spring encircling rigid annulus supported by leaf and coil springs only, the leaf springs have their opposite ends positively secured in fixed relation to the rigid annulus and the wheel center, respectively, or one end only so secured to the rigid annulus or wheel center.