US PATENT SUBCLASS 152 / 98
.~.~.~.~ Tandem, interposed bearing


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}
98.~.~.~.~ Tandem, interposed bearing


DEFINITION

Classification: 152/98

The radial coil spring supporting the spring encircling rigid annulus in the spring wheel consist of sets of two or more springs, one spring of each set being arranged radially outwardly of another with a fixed bearing between their adjacent ends. The bearing may be fixed with relation to either the rigid annulus or the wheel center.