US PATENT SUBCLASS 152 / 158
.~.~.~ Internal buffers


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

151  DF  TIRES, RESILIENT {14}
155  DF  .~ Cushion and pneumatic combined {4}
157  DF  .~.~ Enclosed cushion {1}
158.~.~.~ Internal buffers


DEFINITION

Classification: 152/158

Protruding into the chamber constituting the pneumatic means is an element which takes the load only when the pneumatic means is deflated or is distorted beyond the normal amount, such as by hitting a rock or other obstruction.

(1) Note. For devices for the same purpose on the exterior of the tire, see this class, subclasses 165 and 166.

(2) Note. For devices for the same purpose separate from the tire and attached to the wheel, see Class 301, Land Vehicles: Wheels and Axles, subclasses 39.1+.