US PATENT SUBCLASS 152 / 46
.~.~.~.~.~ With separate annulus guide

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}
40  DF  .~.~ Rubber spring {4}
44  DF  .~.~.~ Blocks or balls {1}
45  DF  .~.~.~.~ With drive {1}
46.~.~.~.~.~ With separate annulus guide

DEFINITION

Classification: 152/46

In a spring wheel having a spring encircling rigid annulus supported blocks or balls and having drive means, the rigid annulus is held against lateral movement relative to the wheel center by means other than the springs. This includes devices which hold the rigid annulus against lateral movement in one direction only.