| 摘要 |
<p>The shoe, particularly a sport shoe, is provided with a sole of elastic material having a pressure gas chamber. To keep a predetermined gas pressure constant within the chamber, a compressible pump chamber (2) is arranged within the sole (1) which forms a pump working according to the principle of a ball Pump connected to the outside air and to each of the pressure gas chambers (4-13) by a non-return valve (3, 14). </p> |
