The rubber spring supporting the spring encircling rigid annulus in the spring wheel is so constructed and arranged that the rubber is subjected to angular distortion when the wheel is under load.
SEE OR SEARCH THIS CLASS, SUBCLASS:
44, -46 for spring wheels wherein rubber block or balls are so arranged that they are placed under shear when positioned adjacent the horizontal center line of the wheel, but which take vertical thrust without shear when positioned adjacent the vertical center line.
