US PATENT SUBCLASS 152 / 264
.~.~.~.~.~.~.~.~ Annular guide flange

Current as of: June, 1999
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152 /   HD   RESILIENT TIRES AND WHEELS

151  DF  TIRES, RESILIENT {14}
246  DF  .~ Cushion {4}
247  DF  .~.~ Metallic springs {4}
251  DF  .~.~.~ Wheel encircling band {2}
252  DF  .~.~.~.~ With supporting spring {2}
261  DF  .~.~.~.~.~ Coil {1}
262  DF  .~.~.~.~.~.~ Radial {1}
263  DF  .~.~.~.~.~.~.~ Enclosed {2}
264.~.~.~.~.~.~.~.~ Annular guide flange

DEFINITION

Classification: 152/264

The enclosure about the radial coil springs comprises a tread which is a separate element free to move radially and guided by annular flanges extending about the wheel. These flanges may be on either the wheel or the tread. They hold the tread against lateral displacement and may be the sole means securing the tread to the wheel.

(1) Note. For similar devices without the wheel encircling band, having unconnected shoes between the springs and enclosure, whether the shoes are overlapped or not, see this class, subclasses 294 and 295.