US PATENT SUBCLASS 152 / 72
.~.~.~ Variously arranged

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}
69  DF  .~.~ Leaf spring {8}
72.~.~.~ Variously arranged

DEFINITION

Classification: 152/72

The leaf spring support for the spring encircling rigid annulus in the spring wheel consists of a plurality of leaf springs some of which are arranged within the wheel differently from others. The difference must be such that each spring arrangement would fall in a different subclass hereunder.