US PATENT SUBCLASS 152 / 100
.~.~.~.~ Cylinder and piston supported

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}
100.~.~.~.~ Cylinder and piston supported {2}
101  DF  .~.~.~.~.~> With separate drive
102  DF  .~.~.~.~.~> Double acting

DEFINITION

Classification: 152/100

The radial coil springs supporting the spring encircling rigid annulus in the spring wheel are each combined with a cylinder and piston, the coil being either enclosed within the cylinder or encircling the assembled cylinder and piston.