US PATENT SUBCLASS 152 / 105
.~.~.~.~ 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}
87  DF  .~.~ Coil spring {7}
97  DF  .~.~.~ Radial {6}
105.~.~.~.~ With separate annulus guide {1}
106  DF  .~.~.~.~.~> Combined drive {5}

DEFINITION

Classification: 152/105

In a spring wheel having a spring encircling rigid annulus supported by radial coil springs, said 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 part against lateral movement in one direction only.

(1) Note. For similar structure in a pneumatic tire, see this class, subclasses 162-164.