| 摘要 |
<p>A vehicle wheel and axle assembly having inflatable tires to be connected with a pressurized air source on the vehicle, comprising an annular sealing assembly (23) having a pair of annular radially expanding lobes (50) which upon pressurization expand into sealing engagement with sealing surfaces (22) and including a normally closed check valve (54) which permits the flow of pressurized air to said lobes (50) and prevents the flow of pressurized air into the tires until the lobes are in sealing engagement with said sealing surfaces (22).</p> |
