| 摘要 |
The shock absorber consists of an insert (1) of an elastic plastic material which fits into a cavity (20) in the footwear sole (2). The insert has an upper section with an outer edge (11) which extends downwards and is the same depth as the cavity, and a flat upper surface (10) with regularly-spaced holes (12) leading to tubes (13) with closed and hemispherical lower ends (14). The sole and insert are covered with an insole of a rubber material such as latex. The insole partially closes the holes (12) in the insert, limiting and controlling the escape of air from the tubes when a pressure is applied to it and relaxing to allow air in when the pressure is lifted.
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